Keys to model test 7-10
新视野大学英语视听说教程第二版3(参考答案完整版)
新视野大学英语视听说教程第二版3（参考答案）Unit 1 Enjoy the colorful campus life!II Basic listening practice1. C)2. D)3. B)4. D)5. A)III Listening inTask 1(1) the first day(2) changing(3) really good(4) hard workers(5) went over her head(6) explained(7) notes(8) Wednesday(9) participation(10) educationTask 2(1) extra training(2) chemistry(3) accounting(4) many fields of study(5) better potential(6) business degree(7) challenging(8) how to learn(9) better understanding(10) narrow-mindedTask 31. B)2. C)3. D)4. A)5. D)IV Speaking outModel 1(1) already I feel like I’ve learned a lot(2) I already feel like I’m up to my ears in homework(3) have to hit the books(4) rub off on you(5) Probably, you’ll have no repeat the year(6) I’ll be burning the midnight oil.Model 2(1) how I’m going to stay awake(2) He could put the entire basketball team to sleep-during the championship game(3) She’s tough(4) No pain, no gain(5) he usually fails half on the students(6) I’m bored to deathModel 3(1) what are your primary duties as a professor(2) I do a lot of research and writing(3) Teaching is an important part of being a professor(4) applying for grants to fund my research(5) being a professor sounds pretty competitive(6) So you get an F in this courseV Let’s talk(1)quality(2) young(3) 25(4) difficult(5) government(6) quality(7) cut(8)extra-cautions(9) afford(10) experience(11) more(12) blame(13) budget(14)puzzled(15) serviceVI Furthering listening and speakingListeningTask 1(1)standardized tests(2)abilities and interest(3) interest(4) pressure(5) well-rounded(6) get into good colleges(7) the rest of the school(8) from bad to worseTask 2(S1) course(S2) quizzes(S3) semester(S4) confident(S5) party(S6) make(S7) missed(S8) they had a flat tire on the way back and didn’t have a spare(S9) placed them in separate rooms, handed each of them a paper(S10) On the second page was a question worth 95 points: “Which of the tires was flat Task 31. B)2. A)3. C)4. D)5. D)Viewing and speaking1. (1)increasing(2) 12(3) more(4) facilities(5) l ecturers(6) poorer(7) grant(8)one(9) budget(10) less(11) young(12) classic(13) part-time(14)growing(15) two-yearUnit 1 testPart I Keys:1.A2.B3.D4.B5.DPart II(1)for (2)with (3)opportunity (4)tuition (5)explore (6)encounter (7)adventure (8)As with any country, it is not advisable to carry large amounts of cash around with you (9)Traveler's checks are one of the safest and easiest ways to transport money, because you may have them replaced if they get lost or stolen (10)It is wise to bring about $100 with you in U.S. cash, so you will be able to manage upon your arrival in the StatesPart III1.C2.A3.B4.D5.APart IV1.C2.A3.A4.D5.C6.B7.A8.C9.B 10.C新视野大学英语视听说教程第二版3（参考答案）Unit 2 Our globe is in danger!I Lead-in1.385274619II Basic listening practice1. B)2. D)3. A)4. A)5. C)III Listening inTask 1(1) nature(2) environmental problem (3) pollution(4) promote(5) aware of(6) from occurring (7) law(8) throw away(9) finde(10) trashTask 21. D)2. A)3. B)4. C)5. D)Task 31. D)2. D)3. A)4. B)5. C)IV Speaking outModel 1(1) getting along during this usually hot weather(2) the hot, humid weather is killing her(3) does bring global warming and rain(4) Everybody should know what causes global warming. Otherwise we won’t stop it.(5) not to burn any more wood or coal(6) the polar ice caps melt and oceans riseModel 2(1) asking for donations to save the rainforests(2) They need hot, tropical climates(3) heavy rainfall leads to dense vegetation(4) plant and animal species exist only in rainforests(5) are in danger of destruction by(6) find a way to save themModel 3(1) a big sandstorm hit our city(2) The air was full of dirt and sand dust(3) comes after a long period of drought(4) the soil can be lifted up(5) plant more trees and grass(6) launching a new afforestation program in a bid to address the environmental problemV Let’s talk(1) - b(2) - a(3) - h(4) - d(5) - g(6) – e(7) – c(8) -fVI Furthering listening and speakingListeningTask 1(1)water pollution(2) overconsumption(3) economic growth(4) resources(5) social advancement(6) restricted(7) government planning(8) economic policy(9) remarkable steps(10) balanceTask 21. D)2. B)3. A)4. C)5. C)Task 3(S1) negative(S2) report(S3) warming(S4) pressures(S5) mountainous(S6) barely(S7) make way for(S8) expect 98 percent of the mountain areas to experience severe climate change by 2055(S9) the UN is anxious to raise awareness of the problems facing mountain areas (S10) Thousands of villages in Europe are deserted most of the yearTask 31. B)2. A)3. C)4. D)5. D)Viewing and speaking1. (1)signs(2) warmer temperatures(3) warmest(4) snow(5) attracts(6) trouble(7) normal(8)best season(9) one-time(10) whiteUnit 2 testPart I Keys:1.C2.C3.B4.C5.DPart II(1)chemicals (2)atmosphere (3)particles (4)trapped (5)lasts (6)human-based (7)progressed (8)Even in Ancient Rome people complained about smoke put into the atmosphere (9)Air pollution can have serious consequences for the health of human beings (10)Cities with large numbers of automobiles or those that use great quantities of coal often suffer most severely from air pollution problemsPart III1.A2.C3.D4.C5.BPart IV1.B2.C3.D4.C5.C6.A7.D8.D9.B 10.C新视野大学英语视听说教程第二版3（参考答案）Unit 3 Culture makes me what I am.I Lead-in1) C2) I3) I4) CII Basic listening practice1. C)2. A)3. D)4. B)5. A)III Listening inTask 11. C)2. A)3. C)4. B)5. D)Task 2(S1) roots(S2) what(S3) moral(S4) diligence(S5) sin(S6) teachings(S7) centuries(S8) Even as children they were taught, “If it’s worth doing at all, it’s worth doing well(S9) In English a new world has been created to describe people who work compulsively(S10) Others hold that workaholics are valuable members of society because they areextremely productiveTask 31. D)2. A)3. D)4. A)5. C)IV Speaking outModel 1(1) individual interests rank above everything else(2) it’s a sharp contrast to the oriental collectivism(3) is not necessarily an equivalent for selfishness(4) all values, rights, and duties originate in individuals(5) in oriental countries the interests of the group are more important than anything else(6) Why do Americans cherish individualismModel 2(1) always seem to be in a hurry(2) What do you think are the reasons for that difference(3) Does this strong sense of time affect their lifestyle(4) led them to create fast food(5) globalization shrinks the differences between cultures(6) the gap will eventually be bridgedModel 3(1) they’re on top(2) they definitely get the best marks(3) They never skip class(4) did homework each night until the early hours(5) That’s the secret of their success(6) I just want to learn it in an interesting wayV Let’s talk1. (1) transatlantic slave trade(2) unknown lands(3) dignity or payment2. (1) rich(2) cotton and sugar3. (1) all over the world(2) family history(3)changed4. 200th anniversary5. (1) banned(2)taking part in(3) slavery(4) freedVI Furthering listening and speakingListeningTask 11. C)2. B)3. A)4. C)5. D)Task 21. T2. F3. T4. F5. FTask 31. The Russian hurled the half-full bottle of vodka out of the open window.2. He answered, “V odka is plentiful in my country. In fact, we have thousands and thousands of liters of it-far more than we need.”3. The businessman said, “I thought the Cuban economy was not good this year. Yet you threw that perfectly good cigar away. I find your actions quite puzzling.4. He replied, “Cigars are a dime a dozen in Cuba. We have more of them than we know what to do with.”5. The American businessman sat in silence for a moment. Then he got up, grabbed the lawyer, and threw him out of the window. He did that probably because he thought there were too many lawyers in the United States.Viewing and speaking1. (1)disappearing(2) kicking(3) tea shop(4) image crisis(5) update(6) compete(7) fast(8)product designers(9) contacts(10) similar(11) want(12) challenge(13) consumer(14)traditionalUnit 3 testPart I Keys: 1.B 2.C 3.B 4.B 5.DPart II(1) values (2) purpose (3) true (4) Nowhere (5) equality (6) races (7) laboratory (8) Although Edwards specifically mentions young men, young women also compete in organized sports without regard to their race or economic background (9) Many Americans believe that learning how to win in sports helps develop the habits necessary to compete successfully in later life (10) the competitive ethic taught in sports must be learned and cultivated in youth for the future success of American business and military effortsPart III 1.C 2.A 3.B 4.D 5.DPart IV 1.D 2.B 3.A 4.D 5.D 6.C 7.A 8.B 9.B 10.A新视野大学英语视听说教程第二版3（参考答案）Unit 4 Taste the sweets and bitters of family life.I Lead-in1.3241II Basic listening practice1. C)2. A)3. B)4. C)5. D)III Listening inTask 1(S1) typical(S2) known(S3) Generally(S4) find(S5) apartment(S6) sole(S7) principal(S8) Dual-earner families are the predominant type for families with children in the United States(S9) adequate day care of children is necessary for dual-earner families(S10) companies are getting involved in the arrangement of day careTask 21. F2. T3. T4. F5. TTask 31. A)2. A)3. A)4. D)5. C)IV Speaking outModel 1(1) I’m having a hectic time working on this report(2) it’s been more than five years, almost six, since we were married(3) Time has gone so fast(4) I’m this close to getting a promotion(5) What has that got to do with it(6) you have a great pointModel 2(1) So many people in the United States get divorced(2) the divorce rate can be as high as 50 percent(3) Westerners fall head over heels in love quickly(4) some marriages break up, but most couples stay together(5) Do people get married young(6) Do women usually work after they get marriedModel 3(1) haven’t seen dad for ages(2) my mom’s been pretty sick(3) don’t exaggerate(4) Never thought I was good enough for you(5) seriously, mom’s not so bad(6) Why not just have both our parents here for ChristmasV Let’s talk(1)cry(2) relief(3) strong(4) understanding(5) angry(6) left(7) wondering(8)five(9) sad(10) stress(11) friends(12) helps(13) Christmas(14)cousins(15) presentsVI Furthering listening and speakingListeningTask 1(1)divorce her husband(2)irresponsible(3) challenging jobs(4) stability(5) bills(6) poverty line(7) apartment(8) yells at(9) calls him names(10) halfTask 21. B)2. C)3. A)4. D)5. C)Task 3(1)the last word(2) remarriage failures(3) picture(4) eight times(5) wife(6) dating(7) loneliness and anxiety(8) second(9) response to her (10) lukewarm(11) warmed up (12) accepted (13) ripe(14)blended into(15) right Viewing and speaking1. (1)Lovely(2) similar(3) room(4) apologize(5) children(6) patience(7) listen(8)angry(9) medicine(10) fantasticUnit 4 testPart I DADCCPart II(1)at (2)wheel (3)tone (4)expression (5)Honey (6)divorce (7)speed (8)I don’t want you to try to talk me out of it because I don’t love you any more (9)I want the bank accounts, and all the credit cards, too (10)No, I’ve got everything I needPart III CABDAPart IV ADBCADABCD新视野大学英语视听说教程第二版3（参考答案）Unit 5 Here are the seasons to enjoy.I Lead-in1.81736452II Basic listening practice1. C)2. A)3. B)4. C)5. C)III Listening inTask 11. D)2. C)3. D)4. A)5. B)Task 21. T2. F3. T4. F5. TTask 3(1)buy(2) office wear(3) likes(4) cats(5) pet(6) time(7) special dish(8)little party(9) little trip(10) countrysideIV Speaking outModel 1(1) We have goose and ham for Christmas dinner(2) we eat leftovers for days(3) he’ll refuse a huge dinner and stick to a healthy meal(4) We heap up our presents under the tree(5) Your family prolongs the celebration for three days(6) Isn’t that what the true spirit if Christmas is supposed to be Model 2(1) spend the holiday with her mother and brother(2) They were happy just to have survived their first harsh winter(3) that’s good reason to celebrate(4) symbolize a family reunion(5) to be together and share a huge dinner(6) Just thinking about all that food makes my mouth water Model 3(1) Are you OK?(2) People in funny costumes and masks everywhere(3) dressing like witches and ghosts(4) A crowd of children followed me, shouting(5) They were hoping you’d give them candy(6) it’s a funny kind of holidayV Let’s talk(1) - e(2) - b(3) - g(4) - d (5) - h(6) - a(7) - f(8) - c VI Furthering listening and speakingListeningTask 11. A)2. D)3. C)4. B)5. C)Task 2(S1) celebration(S2) popular(S3) American(S4) died(S5) remarrying(S6) daughter(S7) 1900s(S8) the tradition was born, on the third Sunday every June, close to the anniversary of Sonora’s father’s death(S9) The card probably has a nice message on it saying what a great dad their father is (S10) British people might give their dad a bit of a rest-make him a cup of tea, or even wash his car and mow the lawnTask 31.He thought that if men were not married, they would not mind joining the army.So he passed a law to forbid any more marriages.2.He kept on performing marriage ceremonies, secretly.3.They came to the jail to visit him. They threw flowers and notes up to his window.4.She was one of those young people and the daughter of the prison guard.5.Before he was killed, Valentine left the girl a little note thanking her for herfriendship and loyalty. He signed, “Love from your Valentine.” That note started the custom.Viewing and speaking1. (1)fun(2) headache(3) 150(4) two million(5) feeling(6) atmosphere(7) traditional-looking(8)lights(9) regulations(10) family(11) translates(12) children(14) different(15) spreadsUnit 5 testPart I CACDDPart II(1)hang (2)remains (3)symbol (4)performed (5)what (6)that (7)represent (8)By the year 1600, some Germans began bringing evergreen trees into their homes. They put fruit, nuts and sweets on the trees. (9)They say he did this to show how wonderful the stars had appeared to him as he traveled one night. (10)The Christmas tree tradition spread to many parts of the world. Today, some form of Christmas tree is part of most Christmas celebrations.Part III DABCDPart IV CABCCABDAC新视野大学英语视听说教程第二版3（参考答案）Unit 6 Here are tips for finding a job.II Basic listening practice1. C)2. D)3. A)4. C)5. B)III Listening inTask 11. T2. F3. T4. T5. F6.T7. T Task 21. B)2. C)3. C)4. A)5. D)Task 31. C)2. A)3. A)4. C)5. B)IV Speaking outModel 1(1) Did you go to the job fairs(2) I can’t find anything interesting that I’m qualified for(3) You can use a search engine to find a job site related to your field(4) I just saw a job opening(5) submit my resume by e-mail(6) have you updated your resumeModel 2(1) be sure to maintain good eye contact(2) Don’t look too shy, nor should you sound too aggressive(3) Many companies don’t want a completely green hand(4) I gained some experience at an IT company(5) ability for teamwork is usually valued(6) Should I ask about salary and fringe benefitsModel 3(1) our best bet is to recruit from the competition(2) We also don’t believe that a rigid management system will work wonders(3) that philosophy will help you attract many worthwhile people(4) he’ll help us start a recruitment drive(5) A number of firms have been downsizing(6) can David help us pin them downV Let’s talk1. (1)900(2) customer calls(3) 70(4) human resources(5) supported(6) customer-facing (7) place(8)two(9) right people (10) realistic(11) friends(12) helps(13) Christmas(14)cousins(15) presents2. 321 4VI Furthering listening and speakingListeningTask 1(1)coast(2) impressed(3)shipping company (3) cargo(4) communication skills(6) essential(7) asset(8) team spirit(9) her age(10) her parentsTask 21. F2. T3. T4. F5. TTask 31. C)2. C)3. B)4. A)5. D)Viewing and speaking1. (1)selection(2) pressure(3) marketing(4) interview(5) business(6) nervous(7) laugh (8)redundant(9) difficult(10) sackingUnit 6 testPart I CBCDCPart II(1) ice (2) Examples (3) parking (4) response (5) provide (6) impression (7) ages (8) If this is the place where you would be working, they would automatically be worried that you will be late for work everyday (9) They might be historical questions regarding your previous employment or education (10) Make a statement, then support it by giving an example of a situation and how you handled itPart III CBACDPart IV DABCBCAADC新视野大学英语视听说教程第二版3（参考答案）Unit 7 Why don’t we start a business of our own?II Basic listening practice1. B)2. C)3. A)4. B)5. C)III Listening inTask 1(1)reception(2) new connections(3) distributed(4) green hand (5) business cards(6) talk business(7) card (8)follow up(9) more ground(10) piece of cakeTask 21. C)2. B)3. B)4. A)5. D)Task 3(1) technology-oriented(2) higher(3) returns (4) options(5) Venture capital(6) cash (7) founders(8)business ideas(9) potential(10) intellectual property protection(11) 100 percent(12) creators (13) stockIV Speaking outModel 1(1) you already know this company inside out(2) You have just barely enough funds to cover your day-to-day operational expenses(3) my best bet is to secure a small business loan(4) They help underwrite loans for small business(5) I can still qualify for a loan(6) cover our overheadModel 2(1) I’ve been searching for a loan(2) the company has been experiencing serious financial difficulties(3) we’ve been operating in the red(4) the best course of action is to file for bankruptcy(5) we’ll have to face even stiffer competition(6) they are interested in acquiring our companyModel 3(1) we’ve been looking for a merger partner(2) Are you sure your operation has much to bring to the table(3) Definitely(4) we’ve already received a few attractive bids(5) keep our shareholders’ interests in mind(6) It’s reasonable to keep your employees’ welfare in mindV Let’s talk(1)rapid growth(2) shock(3) large(4) shot up(5) hard(6) opportunities(7) different(8)stable(9) money(10) ownVI Furthering listening and speakingListeningTask 11. D)2. C)3. C)4. A)5. C)Task 21. F2. T3. F4. F5. TTask 31. C)2. B)3. D)4. C)5. A)Viewing and speaking1. The items in favor of the idea that “Cadbury should be sold for more money” are 1),2), 4), 6), 7), 8).Unit 7 testPart I ADDCDPart II(1) resulting (2) demand (3)on (4)trends (5)elderly (6)trend (7)pet-related (8)Look at existing businesses and the products and services they offer, and then determine if there's a need for more of those products or services (9) Keep an open mind and continue to assess everything you read and hear from a business point of view (10) Dream, think, plan, and you'll be ready to transform that business idea into the business you've always wantedPart III CBDACPart IV BDBCA BDCDD新视野大学英语视听说教程第二版3（参考答案）Unit 8 Here is a darker side of a society.II Basic listening practice1. C)2. C)3. B)4. A)5. D)III Listening inTask 11. B)2. A)3. C)4. C)5. D)Task 21. C)2. D)3. C)4. B)5. C)Task 3(1)49(2)first birthday(3) health care systems(4) reduce(5) expenses(6) increasing(7) lower(8) faster(9) education(10) reduce poverty(11) more opportunities(12) live better(13) social ladderIV Speaking outModel 1(1) abuse of the elderly(2) people live longer now(3) try to save money on food and care(4) is a national epidemic(5) care was substandard(6) in cases of abuseModel 2(1) she tells women the dangers of drinking(2) I can’t imagine someone as pretty as she is to be a drunk(3) there are alcoholics all over the world(4) who lack the willpower to stop(5) It’s a disease that strikes(6) alcohol helped her to relaxModel 3(1) Why do you look so depressed(2) you’ve been hooked(3) Apparently it’s just like being addicted to drugs or alcohol(4) It takes over your life(5) he’s a compulsive gambler(6) Tough but worth itV Let’s talk(1)easier(2)loneliness(3) passed away(4) brain(5) health problems(6) younger(7) doctor(8) assumption(9) history(10) attitudesVI Furthering listening and speakingListeningTask 11. B)2. A)3. C)4. B)5. C)Task 21.She thinks many of the big spenders on lottery tickets are poor; they spend moneythey can’t afford to spend2.He just buys lottery tickets for him. He thinks if he won a huge amount, it wouldbe exciting.3.They buy lottery tickets out of desperation. Also the thrill of a win, of somethingfor nothing, is addictive.4.Casinos are opening everywhere, many people go on gambling on holidays, andone can even take a gambling cruise.5.It will be helpful for habitual gamblers only when they want to be curedthemselves.Task 31. C)2. D)3. A)4. B)5. A)Viewing and speaking1. (1)condition(2) dignity(3) fire(4) further(5) distinction(6) status(7) prosperity(8)fate(9) AnsweringUnit 8 testPart I CBADDPart II(1)habit (2)crucial (3)among (4)decade (5)did (6)issues (7)adult (8)teens get turned off if you ask them a lot of direct questions (9)The first phone call generally takes about 45 minutes, with discussion about why the teen began smoking and the extent of the habit (10)Now 260 teens who have participated in the program are being followedPart III ABCBDPart IV CBACB ABCDC新视野大学英语视听说教程第二版3（参考答案）Unit 9 What mode of travel do you prefer?I Lead-in1) plane2) bike3) truck / lorry4) ship5) bus6) motorcycle7) subway / undergroundII Basic listening practice1. C)2. B)3. C)4. D)5. A)III Listening inTask 1(1)security checks(2) searched(3) fear(4) carry-ons(5) checking(6) greater(7) seized(8)digital camera(9) take pictures (10) bags(11) on his way(12) strangeTask 21. A)2. C)3. C)4. D)5. D)Task 31. A)2. B)3. D)4. D)5. A)IV Speaking outModel 1(1) I’d like to book hotel and airline reservations(2) what’s your destination(3) I’m headed for(4) Will that be a one-way or a round-trip ticket(5) Return(6) Will you be flying first class or business classModel 2(1) How did it go? Everything smooth sailing(2) It took me quite a while to find the United Airlines check-in counter(3) it was displayed on the monitor(4) there was a terrible line-up(5) I can stretch my legs and occasionally stand up in the aisle.(6) and it said that my flight would be boarding at Gate 33Model 3(1) You look like something the cat dragged in(2) You would too if you’d been through what I have(3) See my eyes? They’re all bloodshot(4) How long does this jet lag last(5) I would whether a long flight like that is worth the high cost(6) reset my biological clock after a flightV Let’s talk1. 1) (1)close(2) 12.9 million(3) dreamed2) (1) exhausted(2) cup of tea3) (1) abandon(2) set down(3) low4) (1) Pole(2) fly over5) (1) on(2) fast asleepVI Furthering listening and speakingListeningTask 1(1)a couple of hours(2) less than an hour(3)fare(4) regular passengers(5) convenient(6) the same day(7) conditions of aircraft(8) accidents(9) large quantities of cargo (10) far awayTask 21. D)2. C)3. D)4. A)5. B)Task 31. (1)best(2) none of them2. (1) land(2) wings3. (1) small children(2) before4. smoothly5. (1) distributed evenly(2) clean itViewing and speaking1. (1)landing(2) followed(3) headed(4) present(5) succeeded(6) arrested(7) publish(8)attention(9) happened(10) cheering(11) charge(12) dropped(13) humorous(14) missed(15) get backUnit 9 testPart I CDCBCPart II(1) tiny (2) identity (3) maintain (4) fuel (5) networks (6) insurance (7) external (8) Ticket prices include a number of fees, taxes (9) If airlines carry passengers without proper documents on an international flight, they are responsible for carrying them back to the originating country (10) While airlines as a whole earned 6% return on capital employed, airports earned 10%Part III CABDCPart IV ABDCBDBADB新视野大学英语视听说教程第二版3（参考答案）Unit 10 With a failing memory, you meet a lot of new people.I Lead-in1. T2. T3. T4. F5. T6. T7. F8. T9. T10. TII Basic listening practice1. C)2. D)3. A)4. B)5. C)III Listening inTask 11. B)2. C)3. D)4. C)5. A)Task 21. T2. F3. F4. T5. FTask 3(1)brain(2) nerve connections(3) musical instrument(4) your brain(5) blood circulation(6) vegetables(7) Protect and support(8)healthy(9) sugar(10) memory loss(11) never functions(12) tobacco(13) Improve(14)remembering(15) temporaryIV Speaking outModel 1(1) Do you have anything in mind(2) Remember I asked the chef for the recipe(3) did you forget that Linda doesn’t eat chicken(4) It just slipped my mind(5) everyone forgets something sometimes(6) I’m getting forgetfulModel 2(1) Do you know what Jack’s home phone number is(2) I can’t think of it off the top of my head(3) why don’t you call Jane(4) They usually don’t release private information over the phone(5) have a powerful memory(6) I do have a good memory for faces and names, but a poor one for numbers anddatesModel 3(1) where was I(2) You were talking about your tour in London(3) I can’t remember any more(4) What’s wrong with your memory(5) I don’t want to forget my own name(6) it’s just temporary forgetfulnessV Let’s talk(1)memory power(2) test(3) new(4) saw(5) verdict(6) seconds(7) memories(8)endure(9) volunteers。
AICE人工智能等级考试 三级考前冲刺
AICE人工智能等级考试三级考前冲刺1.以下场景中，使用了自然语言处理技术的是?（） [单选题] *A:智能家居控制系统识别语音指令(正确答案)B:机器人在工厂中搬运货物C:无人机根据预设轨迹完成航拍任务D:超市购物车上的自动计费系统答案解析：自然语言处理技术是一种机器学习技术，使计算机能够解读、处理和理解人类语言。
它会将人类语言转化为计算机可理解的形式，并对其进行计算处理。
A 选项中智能家居系统，会识别语音指令并将语音信号转化为文本，再对文本进行处理以完成指令功能，其中使用的就是自然语言处理技术。
所以正确答案选A。
2.1TB 等于?（） [单选题] *A:1024BB:1024KBC:1024MD:1024GB(正确答案)答案解析：计算机存储数据单位的大小顺序是:bit<Byte(B)<KB<MB<GB<TB，除1B=8bit 外，其他单位的换算关系是:(2 的 10 次方)1TB=1024GB1GB=1024MB1MB=1024KB1KB=1024Byte所以选项 D 正确3.运行下方程序打印的结果是?（）animal='8l8phant'foriinanimal:ifi=='8':animal=animal.replace(i,'e')breakprint(animal) [单选题] *A:8l8phantB:iliphantC:elephant(正确答案)D:Elephant答案解析：这段程序的功能是将字符串中的某个字符替换为另一个字符，最终输出替换后的字符串。
程序使用 for 循环遍历字符串'8l8phant'中的每个字符，当遍历到字符'8'时，使用replace()方法将该字符串中所有字符'8'替换为字符'e',并结束程序。
最后，输出替换后的字符串为"elephant"。
特斯拉 Model S 用户指南说明书
Trigo Product CenterRelease Notes Fix pack 4.1.0.13aNote: Before using this information and the product it supports, read the information in “Notices”at the end of this document.10 June 2006This edition of this document applies to Trigo Product Center, version 4.1.0.13a, and to all subsequent releases and modifications until otherwise indicated in new editions.© Copyright International Business Machines Corporations 2006. All rights reserved. Licensed Materials-Property of IBM. US Government Users Restricted Rights – Use, duplication or disclosure restricted by GSA ADP Schedule Contract with IBM Corp.Table of Contents1. Overview (2)1.1 Fix pack requirements (2)2. Product fixes (2)2.1 Fixes for 4.1.0.13a (2)2.2 Fixes for 4.1.0.12a (2)2.3 Fixes for 4.1.0.11 (3)2.3.1Override with Blank feature disabled (3)2.4 Fixes for 4.1.0.10 (3)2.5 Fixes for 4.1.0.9 (3)2.6 Fixes for 4.1.0.8a (4)2.7 Fixes for 4.1.0.8 (4)2.8 Fixes for 4.1.0.7 (5)3. Known issues and limitations (5)4. Installation (5)4.1 Installation notes (5)4.1.1Removal of J2EE and JSSE (5)4.2 Preparation (7)4.2.1Stopping the whole application on the local machine (7)4.2.2Backup (7)4.2.3Delete Tomcat working directory (8)4.3 Apply Fix Pack (8)4.3.1Unpack tar file (8)4.3.2Verify configuration files (8)4.4 Test installation (9)4.4.1Start Trigo Product Center (9)4.4.2Check status (10)1. OverviewThis document addresses customer requests, installation instructions, and notes for Trigo Product Center Fix Pack 4.1.0.13a on the following platform:•Tomcat/Oracle1.1 Fix pack requirementsTrigo Product Center 4.1.0.7 must be installed prior to the application of Fix Pack 4.1.0.13a. Ifworking with a version prior to 4.1.0.7, it is required to upgrade to 4.1.0.7 first and then apply the4.1.0.13a Fix Pack.2. Product fixesThis section identifies issues that have been reported and resolved with the application of this fix pack.Note: The Tracking Number column uses APAR, PMR, and Internal CR record numbers.2.1 Fixes for 4.1.0.13aDescriptionTrackingNumberJR23783 Cannot import all items from a cvs file.2.2 Fixes for 4.1.0.12aDescriptionTrackingNumberJR22156 Cannot delete spec, even if not in useJR21730 Attribute Search choice should jump.Impact: No change in the UI. Grouped attributes are highlighted when searched forin tab view.JR22158 Empty paths displayed in left paneJR22547 Jobs failing after MTPing 4.1.0.10 in production2.3 Fixes for 4.1.0.11DescriptionTrackingNumberJR21938 Attribute not included in exportJR21924 Attribute order changing from sub-spec to secondary specJR21688 Inheritance path and source not displayedJR22037 Inheritance Rules lost when category tree is rolled backJR21470 Category search unsuccessful - if category name contains "+ "JR22213 IPG Performance comparisonJR22482 Can't override the inherited value through scripting2.3.1 Override with Blank feature disabledProblem: The change made in 4.1.0.9 was for attribute values to be trimmed before being saved.This change was made so that there is proper matching of attribute values (i.e. for lookup tables).However, a problem surfaces when blank spaces are used to override inheritance. The trim fixdisables the overriding feature.Solution: A simple fix will be made to keep the trim fix intact. Trimming is done only forattributes with non-blank characters. Meaning "A " and " A" will be trimmed to "A", but " " will remain as " ".2.4 Fixes for 4.1.0.10TrackingDescriptionNumber18654 Fixes & Optimization of duplicate sub spec script operationsNA Back port of custom export/import tool – Refer to "Export/Import User Guide" for additional information.2.5 Fixes for 4.1.0.9DescriptionTrackingNumberJR21056 Incorrect duplicate sub spec errorJR21036 Script parsing error (explicit final new line required)JR20850 getSpecNameList() does not work for SUB_SPEC parameter valueJR21055 getSpecNameList() returns all spec names for CATEGORY_TREE_SPEC parameter, instead of just the category tree specsJR20852 Get inheritance rule by attribute full path returns no resultJR20981 Lookup table keys don't get leading/trailing white space trimmedJR21123 Fix multi-occurrence ordering on importJR21061 Unexpected results when using the copy toolJR20610 Inheritance source goes to wrong placeJR21469 Issue with non-persistent attributes2.6 Fixes for 4.1.0.8aTrackingNumberDescriptionJR21238 Workflow scheduler stuck on productionDebug code has been added to catch and report certain Java exceptions that willbe thrown if corruptions of workflow static data occur in the database. Forexample, if rows are deleted from the db tables containing workflow static data,while collaboration area that references the workflow still has items movingthrough it. Data corruption should never occur of course; hence these particularJava exceptions should actually never occur.JR21206 Using getFullHTTPResponse(..) method to download zip files.2.7 Fixes for 4.1.0.8Tracking number Description01638Positional placement of new spec attributes.04359Rollback the changeover to the light Data Entry UI screens13524 Ordering of locale attributes is not consistent across specs when new locales are added to the system01114 Clicking on source of inheritance does not direct to the exact location of the attribute15080 Cannot add subspec attribute through spec association screen if Secondary spec or category spec has only single node.15584 View code not handling an invalid attribute properly15634 Extra line ${RM} ${TOP}/etc/tomcat33/webapps/trigo in start_appsvr.sh script removes tomcat working dir15743 Duplicate sub spec validation error preventing save of category entries13405 Redundant execution of queries15761 ItemEdit widget exception when trying to display inherited value2.8 Fixes for 4.1.0.7Refer to the release notes for maintenance releases 4.1.0.7-4.1.0.7c.3. Known issues and limitationsThe following table identifies known issues and limitations related to this release.JR22268 Inconsistent Attribute Values in system-default and user-defined views. Targeted to be addressed for 4.1.0.13JR21545 Issue with displaying inheritance rules. Debug code was implemented in 4.1.0.9 to better analyze the issue and to aid in providing a solution for a future Fix Pack.18633 When removing a subspec, an error occurs stating that a duplicate subspec has been added. The error should not occur as the subspec is removed.Workaround: Log out of WebSphere Product Center and log back in to clear the errormessage.4. InstallationThis section provides general guidelines to apply a Fix Pack to Trigo Product Center. Someinformation may differ depending on the methods used for previous installations. Contact your support representative for Trigo Product Center with any installation issues.4.1 Installation notesPreviously, it was necessary to perform a full installation for all files. The current installationprocess only updates the files that have changed to the current working version directory.4.1.1 Removal of J2EE and JSSECR: P12188Due to new company guidelines, J2EE and JSSE are no longer bundled as part of the Trigoinstallation file. This is not an issue for customers using WebSphere or WebLogic, only customers using Tomcat.J2EE - Java 2 Platform, Enterprise EditionJ2EE is a Trigo prerequisite with the use of Tomcat; therefore the J2EE JAR file, which is part of “Version 1.3.1 of the Java 2 SDK, Enterprise Edition ("J2EE" SDK)”, will need to be downloaded by the customer from the Sun Microsystems website (/j2ee/sdk_1.3/). Follow the instructions on the website to download and install the entire J2EE SDK.Note: The J2EE jar file is included in the J2EE SDK tar file.Figure 1 - Link to download J2EE SDK tar fileOnce this tar file is downloaded, it is extracted to a location defined by the customer.Since j2ee.jar is no longer included when a Trigo enterprise build is created and it is a prerequisite for Trigo Product Center, the following environment variable needs to be set to identify the location of the j2ee.jar file. The environment variable is defined in the init_trigo_vars.sh file.File to edit:$TOP/setup/init_trigo_vars.shEnvironment variable:J2EE_JAR=(location of j2ee.jar file including the file name)For Example:J2EE_JAR=/opt/j2sdkee1.3.1/lib/j2ee.jarNote: This step is not required for WebSphere or WebLogic.JSSE - Java Secure Socket ExtensionJSSE was being used to provide HTTPS post functionality. After careful review, it was determined that this functionality was not being used, therefore the functionality and the associated JAR file were removed.4.2 PreparationBefore attempting to apply the latest Fix Pack to Trigo Product Center, the following preparation is recommended:4.2.1 Stopping the whole application on the local machineComplete the following steps to stop the Trigo Product Center instance:1. Check the scheduler to make sure there are no critical jobs that need to be completed.If the queue is clear, kill the scheduler manually by running the script:$TOP/bin/go/stop/stop_scheduler.sh2. Abort the entire application by running the script:$TOP/bin/go/abort_local.shAll services running on the local machine are aborted. The RMI registry is aborted.Note: Check to make sure all processes have stopped using the 'ps' command.Kill any rogue "java" or "rmiregistry" processes that remain after shutting down the instance.Occasionally, it may take several attempts to kill all java processes.4.2.2 Backup•Create a full backup of the current Trigo Product Center directories before applying the Fix Pack. The Fix Pack will overwrite files that have changed. If any issues occur, thebackup will allow a rollback to a previous version•It is recommended to apply the Fix Pack to a test system to identify any issues before applying the Fix Pack to a production system•Perform a full backup of the database before applying the Fix Pack to a production system Note: Do not delete the old Trigo Product Center version until thorough testing of the new installation is completed.4.2.3 Delete Tomcat working directoryFor configurations using Tomcat, delete the Tomcat working directory using the followingcommand:rm -rf $TOP/etc/default/tomcat33/webapps/ccdOnce the working directory has been deleted, begin the application of the Fix Pack.4.3 Apply Fix PackTo apply the Fix Pack to Trigo Product Center, complete the following tasks:Unpack tar fileUpdate configuration filesTest installation4.3.1 Unpack tar filePurpose: To extract and update any new installation files into the current working directoryNote: GNU tar is needed to untar the Trigo Product Center files.1.Copy the Trigo Product Center tar file to the user or temporary directory.Example:{HOME_OF_TRIGO}/tarballs2. CD to $TOP, the current working directory, and unpack the tar file:Using GNU tar, the following command extracts and unzips the tar file:Example:Tar using an absolute path:tar zxvf /home/trigo/tarballs/trigo_4107a_05_fixpak_tom_ora.tgz 4.3.2 Verify configuration filesVerify all configuration files required by the new installation and make any updates as needed.Refer to the backup copy of the configuration files for the previous installation if needed.austin.propertiesadmin_properties.xmlinit_trigo_vars.shTrigo license fileaustin.propertiesOn startup, the system will use this file to read in all system level parameters. This fileincludes settings for the database layer (connection parameters), directory settings,default character sets, thread-pooling parameters, and other settings, which aredocumented in the file.File location: $TOP/etcadmin_properties.xmlThis file is used by the administrative utilities to configure clusters of the application.File location: $TOP/etcinit_trigo_vars.shThe initialization file is the shell script that initializes the shell variables used by thesystem.File location: $TOP/setupTrigo License FileThe license file contains the license keys needed to use the Trigo application.File location: $TOP/etc/runtime4.4 Test installation4.4.1 Start Trigo Product CenterTo start the Trigo Product Center, execute the following script:$TOP/bin/go/start_local.shThe script starts all the services required to run Trigo Product Center.Note: This process should take approximately 30-40 seconds, depending on the speed of the processor.4.4.2 Check statusRun the $TOP/bin/go/rmi_status.sh script that was provided by Trigo Product Center andverify the following services have started correctly.•admin_<machine name>•appsvr_<machine name>•eventprocessor•queuemanager•scheduler•workflowYOU HAVE SUCCESSFULLY APPLIED THE LATEST MAINTENACE RELEASE FOR TRIGO PRODUCT CENTER!NoticesIBM may not offer the products, services, or features discussed in this document in all countries. 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python核心编程第二版课后题答案第七章
def orderdict(mydict):'''7-3(a)创建一个字典，并把字典中的键按照字母顺序显示出来'''# 题目说了只要把键按照字母顺序显示出来，并没有说要把值也显示出来print sorted(mydict)def orderdict2(mydict):'''7-3(b) 现在根据排好的键，显示出这个字典的键和值'''keys = sorted(mydict)for i in keys:print '%s:%s ' %(i,mydict[i]),def orderdict3(mydict):'''7-3(c) 这次按照值排序输出'''# 这里我们采用了sorted的key技巧for k,v in sorted(mydict.items(),key=lambda x:x[1]):print '%s:%s ' %(k,v),def mergedict(list1,list2):'''7-4 给定两个长度相同的列表，建立一个字典例如[1,2,3,4,5] ['a','b','c','d'] 生成[1:'a',2:'b',3:'c',4:'d']'''r = {}lens = len(list1)for i in xrange(lens):r.setdefault(list1[i],list2[i])return r# 7.5在单独的文件里# 7.6在单独的文件里def changedict(mydict):'''7.7 将输入的字典的键和值互换示例:mydict = {1:'a',2:'b'}changedict(mydict)print mydict'''# 这里假设输入的值都是可以作为字典的键的，并且要注意，值不能有重复，否则会产生数据丢失# 考虑，是直接修改引用，还是不修改引用返回值？# 产生同值怎么办？# 如果是返回值，那么这道题目太简单了，所以我这里使用返回引用# 返回引用的话就是修改引用# 如果使用引用就不能使用items 迭代，因为在循环items的时候，你是无法修改键的# 所以我这里使用了keysfor i in mydict.keys():temp = mydict[i]del mydict[i]mydict[temp] = idef hr():'''7.8 输入雇员和编号，对雇员进行排序输出，对编号进行排序输出'''db ={}# uid是不能重复的，但是名字是有可能重复的，所以我这里不打算用键值互换法while True:employee = raw_input('请输入雇员名[输入q退出]：')if employee=='q':breakemployee.decode('gbk')while True:uid = int(raw_input('请输入编号：'))if uid in db:print '编号已经存在!'continuebreakdb[uid] = employeewhile True:order = raw_input('你想按名字(N)还是按编号(I)排序(N/I/Q退出):').lower()[0]if order not in 'niq':print '输入的指令错误！'continueif order == 'q':breakif order == 'n':# 知识点，这里用到了sorted中的key参数# key 返回一个lambda ，所谓lambdabda就是一个小函数，# 类似匿名函数## def (x):# return x[1]## 那么x又是什么呢？x就是db.items 返回的第一项,x[0] 就是字典的键，x[1]就是字典的值# 所以表示按照db.items()中字典的值部分排序# 此外sorted里还有一个是cmp，cmp表示比较，比较的对象是当前项和下一项# 例如cmp = lambda x,y:cmp(x[1],y[1]) ，# 类似匿名函数## def (x,y):# return cmp(x[1],y[1])## 这里的x[1]其实就是第一项中的值部分，y[1]就是第二行中的值部分，# 你也可以不用lamdba，只需要返回小于0,0和大于0 的3个数字钟的一种表示排序for k,v in sorted(db.items(),key=lambda x:x[1]):print k,velse:for k,v in sorted(db.items()):print k,vdef tr(srcstr,dststr,string, sensitive=True):'''7-9(abc) 翻译，将字符串中的srcstr替换为dststr'''# 如果sensitive = True 表示区分大小写，如果为False表示不区分大小写# 如果是不区分大小写，那么怎么做呢？一种方式是使用ord() chr() 一个一个去解析# 还有一个办法就是将所有的字符都转成小写，然后找到index 后替代lens = len(srcstr)src,dst,stri = srcstr,dststr,string# 如果不区分大小写的话，那么就用src,dst,stri来保存小写字符串if not sensitive:src,dst,stri = srcstr.lower(), dststr.lower(),string.lower()# 构思，找到dststr ，然后将它替换即可# 我这里借用了以前6-12 的思路while True:index = stri.find(src)if index >-1:string = string[0:index]+dststr+string[index+lens:]# 如果不区分大小写的话，则stri为小写组if not sensitive:stri = stri[0:index]+dst+stri[index+lens:]# 如果区分大小写，那么stri就是stringelse:stri = stringelse:breakreturn stringdef rot13(string):'''7-10 rot13加密，就是将26个字母的前13个字母和后13个字母互换，比如a就是n'''# 要解密只要再次调用rot13即可# 我们知道A是65,那么65+13=78，那么就是N，那么N就是A# 分析# A....M (65-77)是+13# N....Z (78-90)是-13# a....M (97-109)是+13# n....z (110-122)是-13new = ''for i in string:if 65<=ord(i)<=77 or 97<=ord(i)<=109:new+= chr(ord(i)+13)elif 78<=ord(i)<=90 or 110<=ord(i)<=122:new += chr(ord(i)-13)else:new += ireturn newdef ranset():'''7-13 随机数，用random中的randint或者randrange生成一个随机数集合从0-9中随机选择1到10个随机数，然后组成一个集合，同理生成B，然后显示A|B 和A&B'''import random# 先生成A吧Alist,Blist,Amax,Bmax =[],[],random.randint(2,10),random.randint(2,10)for i in xrange(1,Amax):while True:ran = random.randint(0,9)if ran in Alist:continueAlist.append(ran)breakfor i in xrange(1,Bmax):while True:ran = random.randint(0,9)if ran in Blist:continueBlist.append(ran)breakA,B = set(Alist), set(Blist)print A|Bprint A&Bdef yanzheng():'''7-14修改7-13，要求用户输入A|B和A&B结果，如果回答错误，要求重新输入，如果3次错误则显示正确答案。
ModelTest1----参考答案-1
2009年12月大学英语四级考试答案详解Part ⅠWritingCreating a Green CampusRecently, with the idea of making and maintaining “a green earth”being the focus of the society, “green campus” has become a more and more popular concept in universities or colleges, which, undoubtedly, will bring us an ever-lasting benefit to both our campus and our society.The concept of “green campus” does not only mean a green environment but also refers to an environmental sense in people’s mind. Campus plays a crucial role in educating the young generation and the consciousness of “green campus” will definitely produce a profound effect on students’ various environmental protection activities after their graduation. What’s more, the young generation is under the burden of severe environmental pollution and there are many problems waiting for them to solve.To make “green campus” come true, firstly, it is necessary to work out effective principles for the development of sustainable and recyclable campus. Secondly, it calls for people’s awareness of the serious pollution around us and actual action to reduce the waste. Last but not least, it is necessary to strengthen the ties between campus and society, so as to ensure that “green campus” can work smoothly with the co-effort of the whole society.Part ⅡReading Comprehension (Skimming and Scanning)篇章结构核心词汇1. aid n. ①帮助，援助②助手v. 帮助，援助【用】financial aid经济援助;merit aid/ Merit-based奖学金;need-based aid助学金或经济资助;foreign aid外援，对外援助;hearing aid助听器;aids and appliances用具，设备【搭】in aid to用来帮助，起……作用;lead one’s aid (to)援助，给予帮助;in aid of作为援助……之【拓】aidance n. 协助，帮助;aidant a. 帮助的;aided a. 辅助的2. project v. ①设计②发射n. 事业，计划，工程【用】Project Hope希望工程;project manager项目经理;project plan项目规划;project budget 项目预算，工程预算【拓】projection n. 突出，发射;projecting a. 突出的3. selective a. 选择性的【用】selective analysis重点分析;selective breeding选择育种，选择性繁殖【拓】select v. 挑选，选拔a. 精选的;selection n. 选择，挑选，选集4. package n. 包裹;套装软件，程序包a. 一揽子的【用】package design包装设计;package agreement一揽子安排，一揽子方案;package holiday(旅行社安排一切的)一揽子旅游;package tour包办旅行(路线、地点、时间和费用等均作统一规定和安排的旅游);package program组装程序【拓】pack n.包装，背包v. 包装，压紧;packaged a. 袋装的;packager n. 打包机5. ranking a. 头等的;n. 等级，地位【用】ranking list排名;ranking method等级法，排序法【拓】rank n. 等级;队列;v. 排列，6. grant v. ①授予②承认;n. ①授予物②拨款【用】grant of a patent授予专利权【搭】take…for granted认为……是理所当然; Granted/Granting that即使……(也)【拓】grants n. 补助金，津贴(grant的复数)7. enrol v. 登记，入学，参军，注册【搭】enrol in选课，参加【拓】enrollment n. 登记，入伍;enrollee n. 入学者，入伍者8. eliminate v. 消除，排除【用】eliminate illiteracy扫盲;eliminate poverty消除贫困;eliminate noise 消除噪声【拓】eliminate 是指把已进入者从中排除;exclude v. 指把想进入者拒之门外9. qualify v. 使具有资格，证明……合格【用】qualifying examination资格考试，初试;qualifying competition预选赛，资格赛【搭】qualify as 取得……资格，作为……合适;qualify for有……的资格，合格【拓】qualified a. 有资格的，合格的10. excel v. 胜过，优于，擅长n. [计算机] 软件名称【搭】to excel in/at (在某方面)胜过(或超过)别人;to excel in music 擅长音乐【拓】excellent a. 极好的，卓越的;excellence n. 优秀11. submit v. 使服从，提交【用】submit oneself to discipline遵守纪律;submit registration提交登记表，提交注册【搭】submit to 服从;submit…to 将……呈交给【拓】submission n. 服从，投降试题详解1.【原题译文】随着越来越多的低收入学生追求高等教育，一些学院__。
Model+Test+10
Model Test101.All of the following italicized phrases express cause EXCEPTA.He didn't answer for fear of hurting her.B.He received worldwide praise for his scientific research.C.Tom almost lost his temper for losing his pet.D.They fought for national independence.2.Which of the following sentences is INCORRECT?A.Though she was sick,she had to do the washing.B.The ill person asked the doctor for more sleeping pills.C.He made himself sick by looking after his mother.D.She has been ill for many years and has lost her patience.3.The clause in the sentence“It seems that his idea is more practical"isA.the object clause.B.the predicative clause.C.the subject clause.D.the adverbial clause.4.They are such beautiful vases_____everybody wants to buy_____they are sold out in less than half an hour.A.which;thatB.as;asC.as;thatD.that;as5._______from the top of the hill,the city takes the round shape with a flowing river through it.A.ViewingB.To be viewedC.ViewedD.To be viewing6.In the sentence“The basket full of some fruits belongs to the old woman",the italicized part isA.an appositive.B.an attribute.C.an adverbial.D.an object.7.You______be too careful when you drive a car in the rush hour.A.might notB.must notC.can notD.may not8.Success in life does not depend so much on chance______on diligence and honesty.A.butB.norC.asD.like9.It is essential that misunderstanding_______during business negotiations.A.be avoidedB.is avoidedC.will be avoidedD.has to be avoided10.A developing country usually receives more public aids than_______a developed country.A.inB.it receives inC.doesD.it does in11.The new folk song_______on really quickly.A.carriedB.tookC.caughtD.got12.My sister is always building castles in the air.The underlined part meansA.daydreaminging imaginationC.creating a work of artD.bragging about herself13.He was almost_______to Jack,but somehow looked a little shorter.A.equalB.equivalentC.identicalD.parallel14.The novel contains some marvelously revealing_____of rural life in the19th century.A.glimpsesB.glancesC.glaresD.gleams15.There were500_____at the international academic conference this summer.A.spectatorsB.viewersC.participantsD.onlookers16.William Penn,the founder of Pennsylvania,________defended the right of every citizen to freedom of choice in religion.A.peculiarlyB.indifferentlyC.vigorouslyD.inevitably17.People who don't regularly drink caffeine tend to be more____its negative effects.A.sensibleB.sensationalC.sentimentalD.sensitive18.Kelly is putting the final_____to her speech.A.notesB.remarksmentsD.touches19.Maybe you could______yourself as a waiter and sneak in there.A.coverB.screenC.disguiseD.hide20.Book publishers may modify or______a work with the permission of the copyright owner.A.shortenB.abbreviateC.abridgeD.reduce。
modeltest用法
BEGIN PAUP;
Lset Base=(0.2789 0.2637 0.2411) Nst=6 Rmat=(2.1562 4.4909 1.9751 1.8702 62557 Pinvar=0.0132;
END;
Begin paup后面的一段命令是在paup中运行，来执行这个模型的命令。
3． 在开始－运行中输入cmd命令，确认，弹出一个dos界面的窗口，将其默认目录改为model.scores文件所在文件夹，修改方式为在dos窗口输入：cd 盘符：\filename\filename，确认，这里我们输入
cd C:\modeltest3.7\” Modeltest3.7 folder” \bin\。带有空格的文件夹名要用双引号括起来。
PAML软件的一些简单的具体的使用操作（转）
2009-08-31 10:45
PAML软件的一些简单的具体的使用操作(2008-11-14 153642)标签：杂谈
1. 首先用Clustal X进行序列比对：要保证：保证核苷酸序列是三的倍数，没有终止密码子，核苷酸序列的第一位是密码子的第一位。假设序列名为cox1.fas
5、然后点击左边的按钮“select file”，找到“model.scores”，之后，点击按钮
“Modeltest！！”，然后就会出现运行结果了。
6、会出现两个运行结果，一个是hLRT得出的结果，另一个是AIC给出的结果。
[!
Likelihood settings from best-fit model (TrN+I+G) selected by hLRT in Modeltest 3.7 on Fri Jul 24 15:23:49 2009
计算不同model下的似然值。如果序列比较多，且长的话，需要计算一阵呢！
MyLabSeven模型快速引用指南说明书
Quick reference guideThis Quick Guide describes only the The precautions and detailed operatingIndexGeneral Information1. TouchscreenExam Panel LayoutMultipurpose Panel LayoutAlphanumeric Keyboard Layout2. eTouchMenuConfigurationCustomized Touchscreen ConfigurationAssociation to Real Time Preset3. Starting an Exam4. Ending an ExamImage Optimization6. Tips in B-ModeTips to Optimize Superficial ImagingTips to Optimize Deep ImagingTips to Optimize Spatial ResolutionTips to Optimize Contrast ResolutionTips to Optimize Temporal Resolution7. Tips in M-ModeTips to Optimize Contrast Resolution8. Tips in Color Flow Mapping (CFM)Tips to Optimize Fast FlowsTips to Optimize Slow FlowsTips to Optimize Deep Flows9. Tips in DopplerTips to Optimize Fast FlowsTips to Optimize Slow FlowsTips to Optimize Deep Flows Measurements, Worksheet and Report10. MeasurementsH ow to Take Measurements11. MyLab Worksheet12. MyLab ReportMyLab ArchiveDark gray Dark blue Light blue Button with sub-menusEach lever can control two functions which depend on the active modality. The lever acts on the active control, displayed in the upper position.To switch to the other displayed function press theArea Function Guide GraphicalConventionScrolling ButtonNavigation Area Navigation tabsof the selectedfunctionsBROWN CAPITALLETTERS-Management Area General controlsof the activemodalityGREY CAPITALLETTERS ADV>>/BASIC<<Parameters Area More specificcontrols of theselected functionBLACK CAPITALLETTERS ADV>>/BASIC<<The menu shows:• in the center the touchscreen layout.• on the right the menu to record the macro and to edit the customized buttons.• on the bottom the fields where customized touchscreens are named and described.Archived exams are listed in alphabetic order. The folder symbol, when shown on the archived exams list, indicates that the corresponding exam contained images/ clips.The thumbnail of the selected exam is displayed on the right side of the screen: when more exams are selected, the thumbnail corresponds to the last selected exam.OPEN automatically displays the selected exam(s). When more exams have been selected, the tabs displayed above the thumbnails columns allows to browse the data of the reviewed exams.To display a thumbnail full screen, place the cursor on the desired thumbnail and press ENTER.141015100 R e v . 03ESAOTE S.p.A.Via Enrico Melen, 77 - 16152 Genoa, Italy Phone: +39 010 6547.1 - Internet: 。
python核心编程第二版第7章习题答案
7-1.字典方法。
哪个字典方法可以用来把两个字典合并到一起。
答案：dict.update(dict2)将字典dict2的键-值对添加到字典dict中7-2.字典的键。
我们知道字典的值可以是任意的Python对象，那字典的键又如何呢？请试着将除数字和字符串意外的其他不同类型的对象作为字典的键，看看哪些类型可以，哪些不行。
对那些不能作为字典的键的对象类型，你认为是什么原因呢？答案：键必须是可哈希的。
所有不可变的类型都是可哈希的，因此他们都可以作为字典的键。
一个要说明的问题是：值相等的数字表示相同的键。
换句话说，整型数字1和浮点型1.0的哈希值是相同的，即它们是相同的键。
同时，也有一些可变对象(很少)是可哈希的，它们可以作为字典的键，但很少见。
用元组做有效的键，必须要加限制：元组中只包括像数字和字符串这样的不可变参数，才可以作为字典中有效的键。
内建函数hash()可以判断某个对象是否可以做一个字典的键，如果非可哈希类型作为参数传递给hash()方法，会产生TypeError错误，否则会产生hash值，整数。
>>> hash(1)1>>> hash('a')-468864544>>> hash([1,2])Traceback (most recent call last):File "<pyshell#2>", line 1, in <module>hash([1,2])TypeError: unhashable type: 'list'>>> hash({1:2,})Traceback (most recent call last):File "<pyshell#3>", line 1, in <module>hash({1:2,})TypeError: unhashable type: 'dict'>>> hash(set('abc'))Traceback (most recent call last):File "<pyshell#4>", line 1, in <module>hash(set('abc'))TypeError: unhashable type: 'set'>>> hash(('abc'))-1600925533>>> hash(1.0)1>>> hash(frozenset('abc'))-114069471>>> hash(((1,3,9)))1140186820>>> hash(((1,3,9),(1,2)))340745663>>> hash(((1,3,'9'),(1,2)))1944127872>>> hash(((1,3,'9'),[1,2],(1,2)))Traceback (most recent call last):File "<pyshell#11>", line 1, in <module>hash(((1,3,'9'),[1,2],(1,2)))TypeError: unhashable type: 'list'>>>7-3.字典和列表的方法。
Key to Model Test 7
Key to Model Test SevenPart I Listening ComprehensionTapescriptSection A1. M: Why are you giving me a ticket for speeding? I was only going 40.W: Can’t you read? That was 10 MPH over the limit.Q: What is the speed limit in this area?2. M: Excuse me. Do you mind my smoking here?W: No, but please open the window.Q: What does the woman mean?3. M: I was at the railway station at 2:00 pm.W: I got there at a quarter to 1:00 pm and waited for a while. But I guess I left before you got there.Q: When did the woman probably leave the railway station?4. W: Luis speaks English as if he were an American.M: His family lived in the US until Luis was 15 years old. He has never forgotten his English. Q: Why can Luis speak English so well?5. M: Do you have a saving’s account at the bank?W: I used to, but recently, I withdrew all the money.Q: What happened to the woman’s money?Key: CABDBSection BConversation 1Questions 6 to 7 are based on the conversation you’ve just heard.M: Mrs. Robinson? This is Mr. Wilson.W: Oh, hello, Mr. Robinson. What is it?M: It’s about Tom. There is nothing to worry about, but Tom had a light accident.W: An accident? Is he hurt? Where is he? How did it happen? Has the doctor seen him?M: Tom is on his way to the hospital now.W: I’ll drive there at once. But tell me, how did the accident happen?M: They were playing football, and Tom fell and hurt his foot. Don’t worry. I’m sure he will come back to school in two or three days’ time.Q6: What is the probable relationship between the two speakers?Q7: What is Mrs. Robinson going to do?Key: CAConversation 2Questions 8 to 10 are based on the conversation you’ve just heard.M: Hi, Kay! It’s nice to see you again.W: You know, Alvin, I have intended to call you for a long time.M: Me too. How have you been?W: Pretty good.M: Last time I saw you, you were planning to go to medical school, weren’t you?W: Yes, I was. But as it turned out, I changed my mind.M: Oh, really? Why changed your mind.W: Well, the simple reason is that, at the moment lawyers are badly needed. So I’ve decided to go to law school instead.M: Law school? That’s very interesting.W: And how about you? Do you still intend to study finance?M: No, I’ve also changed my mind.W: Could you tell me why?M: Because I’ve decided to study Spanish.W: Why?M: If I master the Spanish language well, I’m sure I can do better in the future.W: Oh, that sounds great!Q8: What did the woman plan to learn at first?Q9: What does the woman intend to learn now?Q10: What does the man intend to study now?Key: CADSection CQuestions 11 to 15 are based on the passage you’ve just heard.The sun was so strong by midday that John could not go any further. There were no trees near the path, so he took shelter under a big rock. After drinking the rest of his water, he took off his shirt and rolled it into a pillow. Then he lay down on the ground and went to sleep. It was late in the afternoon when he awoke. He was just about to jump up when he felt something moving near his feet. He looked down. A long black snake was just about to crawl across his legs. John watched, too frightened to do anything. The snake moved across his legs; it hesitated for a moment, then crawled on and disappeared under the rock. John leapt to his feet and, pausing only to pick up his shirt, ran off down the path.Q11: Why couldn’t John go any further?Q12: What did he use as a pillow?Q13: How long did John sleep?Q14: Why didn’t John move but just watched?Q15: What did he feel when he awoke?Key: 11. so strong 12. his shirt 13. the whole afternoon 14. too frightened15. something movingPartⅡVocabulary & StructureSection A16-20 DCCBC 21-25 AABBBSection B26. have gone 27. to be sleeping 28. comparable 29. responsibility30. will have left 31. are being packed 32. delighted 33. childhood34. broke 35. to tellPart III Reading Comprehension (40 minutes)Task 1文章导读文章是关于人口老龄化问题。
大学英语六级模拟测试题model-text09(含答案解析)
Model Test FourPart I Writing(30minutes)Directions:For this part,you are allowed30minutes to write a short essay on cohesion.Your essay should include the importance of cohesion and measures to be taken to enhance cohesion.You should write at least150 words but no more than200words.Part II Listening Comprehension(30minutes)Section ADirections:In this section,you will hear three news reports.At the end of each news report,you will hear two or three questions.Both the news report and the questions will be spoken only once.After you hear a question,you must choose the best answer from the four choices marked A),B),C)and D).Then mark the corresponding letter on Answer Sheet1with a single line through the centre.Questions1to4are based on the conversation you have just heard.1.A)How to act at a job interview.B)How to run one’s own business.C)How to dress during a job interview.D)How to communicate with your boss.2.A)Whether he should boast about his advantages.B)Whether he should dress formally for the interview.C)Whether he should mention his personal problems.D)Whether he should be honest about his bad habit.3.A)Ask some thought-provoking questions.B)Offer a firm handshake when greeting the interviewer.C)Arrive on time at the interview.D)Dress gorgeous clothes.4.A)Because it is the best way to let the conversation go smoothly.B)Because it is the best way to leave a good first impression.C)Because it can show that you are an intelligent interviewee.D)Because it can show that you are genuinely interested in the position.Questions5to8are based on the conversation you have just heard.5.A)He prefers voting for a qualified leader.B)He prefers becoming a businessman.C)He prefers joining a non-governmental organization.D)He prefers joining a political party.6.A)From states.B)From their own members.C)From their own businesses.D)From donations.7.A)Those who can offer good concepts.C)Those who deliver enlightening speeches.B)Those who can offer lots of money.D)Those who are good at managing economy.8.A)Intelligent.B)Humorous.C)Confident.D)Brave.Section BDirections：In this section,you will hear two long conversations.At the end of each conversation,you will hear four questions.Both the conversation and the questions will be spoken only once.After you hear a question,you must choose the best answer from the four choices marked A),B),C),and D).Then mark the corresponding letter on Answer Sheet1with a single line through the centre.Questions9to11are based on the passage you have just heard.9.A)Because it is a tonal language.B)Because its grammar is irregular.C)Because its characters are difficult to remember.D)Because it has many dialects.10.A)To talk to as many Chinese as possible.B)To get a bilingual teacher who can speak Chinese and English.C)To watch as many Chinese movies as possible.D)To listen to as many Chinese recordings as possible.11.A)Find locals to talk to.B)Embrace it and use it everywhere.C)Memorize its characters.D)Read a lot of Chinese books.Questions12to15are based on the passage you have just heard.12.A)Because they get more praise from their parents.B)Because they get more mental stimulation from their parents.C)Because they get more emotional support from their parents.D)Because they get more help from their parents with their tasks.13.A)First-born children have better business achievements.B)First-born children have better thinking skills.C)First-born children have better sense of independence.D)First-born children have better logical thinking.14.A)Writing.B)Reciting.C)Matching letters.D)Calculating.15.A)They are a reasonable explanation for the observed birth-order differences.B)They are incomplete in explaining the observed birth-order differences.C)They are doubtful in explaining the observed birth-order differences.D)They are an unconvincing explanation for the observed birth-order differences.Section CDirections:In this section,you will hear three recordings of lectures or followed by three or four questions.The recordings will be played only once.After you hear a question,you must choose the best answer from the four choices marked A),B),C),D).Then mark the corresponding letter on Answer Sheet1with a single line through the centre.Questions16to18are based on the recording you have just heard.16.A)Using minivans to collect data.B)Using drones to collect data.C)Releasing a new operating system.D)Releasing a new version of app.17.A)Because it could not navigate.B)Because it offered wrong information.C)Because it always broke down.D)Because its operating system was too complex.18.A)It has simplified its operating system.C)It has improved its appearance.B)It has released a new version.D)It has added more information.Questions20to22are based on the recording you have just heard.19.A)Useful language knowledge is laid down in the very early months of life.B)Language ability can be retained without further input of the language.C)Language knowledge cannot be retained without further input of the language.D)The process of acquiring language starts when the baby is2years old.20.A)It is abstract in nature.C)It fades with time.B)It relies on experience.D)It can be erased.21.A)When the child is born.C)When the child is6moths old.B)When the child is still in the womb.D)When the child is17months old.22.A)It is a concrete process.C)It is an abstract process.B)It depends on training.D)It depends on fetal education.Questions23to25are based on the recording you have just heard.23.A)Pretending to care the patients may improve your job.B)Professionalism does not necessarily accommodate empathy.C)Whether doctors should empathize with patients.D)What is the best for patients.24.A)It improves the health of patients.C)It facilitates communication.B)It improves the mood of doctors.D)It decreases the medical risk.25.A)Leaning back in the chair when listening.C)Repeating their statements continuously.B)Seeing them eye-to-eye when listening.D)Sitting next to them when listening.PartⅢReading Comprehension(40minutes)Section ADirections:In this section,there is a passage with ten blanks.You are required to select one word for each blank from a list of choices given in a word bank following the passage.Read the passage through carefully before making your choices.Each choice in the bank is identified by a letter.Please mark the corresponding letter for each item on Answer Sheet2with a single line through the centre.You may not use any of the words in the bank more than once.Questions26to35are based on the following passage.As the recent courgette(密生西葫芦)crisis and shortages of lettuce,eggplants and broccoli(绿花椰菜)have shown,Spain’s fame as the vegetable garden of Europe is well deserved.The country’s huge agricultural sector—courgettes,lettuces,tomatoes and strawberries—__26__a huge demand.There has been a major__27__towards mechanization since the1950s,but just as in the UK,many crops still need to be harvested by hand,and many farmers rely on migrant labour.Even where mechanisation can be used, picking machines tend to be too expensive and__28__for small-scale farmers.The tension between locals and migrant workers,__29__from North and Sub-Saharan Africa and eastern Europe—is not a big problem,as many of the foreign workers have proper__30__and return to the same farms year after year.They’re known and that’s important.Alfrut—a company in the south-western province of Huelva that exports strawberries,raspberries,and other fruits around the EU—shill harvests by hand.“There is a machine that gathers strawberries,but you have to__31__the crop to the machine,”says Agustin Muriel,a technical and quality control expert at Alfrut.“If we were to use machines,we would have to__32__our entire infrastructure and it would require a lot of investment in machinery,which is designed mainly for large areas and really big companies.”He adds that the__33__,manual approach is likely to continue for the__34__future,as fruit prices aren’t high enough to allow farmers to make big__35__in machinery or spend money reconfiguring(重新配置)their operations.A)adapt I)investmentsB)attach J)modifyC)contracts K)predominantlyD)feeds L)preferenceE)foreseeable M)shiftF)heralds N)traditionalG)impractical O)unexpectedlyH)inaccessibleSection BDirections:In this section,you are going to read a passage with ten statements attached to it.Each statement contains information given in one of the paragraphs.Identify the paragraph from which the information is derived. You may choose a paragraph more than once.Each paragraph is marked with a letter.Answer the questions by marking the corresponding letter on Answer Sheet2.Now We’re Talking:How Voice Technology Is Transforming Computing[A]Like casting a magic spell,it lets people control the world through words alone.Any sufficiently advanced technology,noted Arthur C.Clarke,a British science-fiction writer,is indistinguishable from magic.The fast-emerging technology of voice computing proves his ing it is just like casting a spell:say a few words into the air,and a nearby device can grant your wish.[B]The Amazon Echo,a voice-driven cylindrical(圆柱体的)computer that sits on a table top and answers to the name Alexa,can all up music tracks and radio stations,tell jokes,answer trivia questions and control smart appliances;even before Christmas it was already resident in about4%of American households.V oice assistants are proliferating in smartphones,too:Apple’s Siri handles over2bn commands a week,and20%of Google searches on Android-powered handsets in America are input by voice.Dictating emails and text messages now works reliably enough to be useful.Why type when you can talk?[C]This is a huge shift.Simple though it may seem,voice has the power to transform computing,by providing a natural means of interaction.Windows,icons and menus,and then touchscreens,were welcomed as more intuitive ways to deal with computers than entering complex keyboard commands.But being able to talk to computers abolishes the need for the abstraction of a“user interface”at all.Just as mobile phones were more than existing phones without wires,and cars were more than carriages without horses,so computers without screens and keyboards have the potential to be more useful,powerful and ubiquitous than people can imagine today.[D]Voice will not wholly replace other forms of input and output.Sometimes it will remain more convenient to converse with a machine by typing rather than talking(Amazon is said to be working on an Echo device with a built-in screen).But voice is destined to account for a growing share of people’s interactions with the technology around them,from washing machines that tell you how much of the cycle they have left to virtual assistants in corporate call-centers.However,to reach its full potential,the technology requires further breakthroughs—and a resolution of the tricky questions it raises around the trade-off between convenience and privacy.[E]Alexa,what is deep learning?Computer-dictation systems have been around for years.But they were unreliable and required lengthy training to learn a specific user’s puters’new ability to recognize almost anyone’s speech dependably without training is the latest latest manifestation of the power of“deep learning”,an artificial-intelligence technique in which a software system is trained using millions of examples, usually culled(挑选)from the internet.Thanks to deep learning,machines now nearly equal humans in transcription accuracy,computerized translation systems are improving rapidly and text-to-speech systems are becoming less robotic and more puters are,in short,getting much better at handling natural language in all its forms.[F]Although deep learning means that machines can recognize speech more reliably and talk in a less stilted(不自然的)manner,they still don’t understand the meaning of language.That is the most difficult aspect of the problem and,if voice-driven computing is truly to flourish,one that must be puters must be able to understand context in order to maintain a coherent conversation about something,rather than just responding to simple,one-off voice commands,as they mostly do today(“Hey,Siri,set a timer for ten minutes”).Researchers in universities and at companies large and small are working on this very problem,building “bots”that can hold more elaborate conversations about more complex tasks,from retrieving information to advising on mortgages to making travel arrangements.(Amazon is offering a$1m prize for a bot that can converse “coherently and engagingly”for20minutes.)[G]When spells replace spelling.Consumers and regulators also have a role to play in determining how voice computing develops.Even in its current,relatively primitive form,the technology poses a dilemma:voice-driven systems are most useful when they are personalized,and are granted wide access to sources of data such as calendars,emails and other sensitive information.That raises privacy and security concerns.[H]To further complicate matters,many voice-driven devices are always listening,waiting to be activated. Some people are already concerned about the implications of internet-connected microphones listening in every room and from every smartphone.Not all audio is sent to the cloud—devices wait for a trigger phrase(“Alexa”,“OK,Google”,“Hey,Cortana”,or“Hey,Siri”)before they start relaying the user’s voice to the servers that actually handle the requests—but when it comes to storing audio,it is unclear who keeps what and when.[I]Police investigating a murder in Arkansas,which may have been overheard by an Amazon Echo,have asked the company for access to any audio that might have been captured.Amazon has refused to co-operate, arguing(with the backing of privacy advocates)that the legal status of such requests is unclear.The situation is analogous(相似)to Apple’s refusal in2016to help FBI investigators unlock a terrorist’s iPhone;both cases highlight the need for rules that specify when and what intrusions into personal privacy are justified in the interests of security.[J]Consumers will adopt voice computing even if such issues remain unresolved.In many situations voice is far more convenient and natural than any other means of communication.Uniquely,it can also be used while doing something else(driving,working out or walking down the street).It can extend the power of computing to people unable,for one reason or another,to use screens and keyboards.And it could have a dramatic impact not just on computing,but on the use of language puterized simultaneous translation could render the need to speak a foreign language irrelevant for many people;and in a world where machines can talk,minor languages may be more likely to survive.The arrival of the touchscreen was the last big shift in the way humans interact with computers.The leap to speech matters more.36.Despite the issue of invasion of privacy,voice-computing’s irresistible convenience is already receivingwide adoption.37.Conventional forms of input and output will not be entirely replaced by voice command.38.Deep learning revolutionizes speech technologies,enabling computers to process any natural language.39.Screens and keyboards of computers are not necessarily indispensable because of the invention of voicecomputing.40.Deep learning has real successes,but is not enough to understand the meaning of language.41.The convenience brought by voice computing can come at a risk of privacy or security.ws that apply to privacy and security issues for voice technology are needed in light of the two cases inAmerica.43.Despite its simple appearance,voice is capable of changing computing,by bypassing the physical realm.44.Thanks to voice computing,several devices such as smartphones have already done some tasks by voiceorders.45.To fully explore the potential of voice technology,more things need to be done to tackle the gaps betweenconvenience and privacy.Section CDirections:There are2passages in this section.Each passage is followed by some questions or unfinished statements.For each of them there are four choices marked A),B),C)and D).You should decide on the best choice and mark the corresponding letter on Answer Sheet2with a single line through the centre.Passage OneQuestions46to50are based on the following passage.Police officers may hope that their presence in schools will help them build strong relationships with students, improving police-community relations over the long term.But achieving that goal may require rethinking law enforcement’s role in education,a new report suggests.Looking at federal data from the2012-2014school year,researchers at Education Week found that students in schools with at least one school resource officer(STO)were1.5times likely to be arrested than their peers in schools that did not have a police presence.The disparity is particularly stark for black students,possibly because police presence is concentrated in districts with a higher proportion of minority students.Black buys were three times more likely to be arrested at school than white boys,the report found.Rather than building relationships and improving outcomes,students who are arrested or referred to law enforcement can see a drop in school performance and are disproportionately more likely to get involved with the law again as adults,researchers say.Racial bias means that outcomes are particularly poor in communities of color.Spurred by rising fears of violent crime during the1980s and1990s,some schools began turning to police to increase safety on campus.With federal funding,their presence only grew.Following tragedies like the school shooting at Columbine High School in Colorado,an increasing number of parents called for security measures like metal detectors and armed officers.By2013-2014,44,000“school resource officers”worked in schools on a full-or part-time basis.In some cases,hiring these officers has resulted in an impressive drop in incidents.But the national picture is less positive.Particularly in schools with a high proportion of minorities,the SROs are overused,taking on disciplinary functions that classroom teachers have traditionally performed,experts say.Arresting students,rather than having a classroom teacher discipline them,brings financial and emotional costs.An American Civil Liberties Union report found that arrested students were twice as likely to drop out of high school—and for those who appeared in court,that figure doubled.Compounding the problem,the cost of employing school resource officers means many schools with a police presence are less likely to have school counselors who can keep an eye on the psychological and developmental effects of arrests on children,Education Week reported.Detaining students also drains the budget of money that could be used to educate them.So how can police officers help ensure safety without becoming disciplinarians(纪律严明者)who grease the school-to-prison pipeline?Training is key,National Association of School Resource Officers executive director Mo Canady told Education Week.SROs should see themselves not only as members of law enforcement,but also embrace their role as educators on issues like drug prevention and as informal counselors for students,Mr.Canady said.46.The federal data quoted in Paragraph Two indicate that_____.A)schools in minority district are in need of SROsB)police officers tend to arrest minority studentsC)the existence of SROs intensified campus violenceD)the SROs may have failed to function as expected47.What may be the negative effect of deploying SROs?A)It exerted more law enforcement than necessary.B)It disturbed the normal teaching practices.C)It posed risks to students’psychological health.D)It frustrated the enthusiasm of faculty members.48.What does the author think of the measure of employing SRO?A)Its real effect remains to be seen.B)It should be vigorously promoted.C)There’s still room for improvement.D)It causes more harm than good.49.What does“grease the school-to-prison pipeline”(Line2,Para.8)most probably mean?A)To effectively prevent juvenile crime.B)To lead more students to be arrested.C)To help ensure the safety on campus.D)To tighten the school-to-prison link.50.In the last paragraph,the author advises the SROs to______.A)work harder to ensure school safety B)reinforce their roles as disciplinariansC)adjust their function in education D)care more about students’mental healthPassage TwoQuestions51to55are based on the following passage.Clear Macro CEO Mike Simcock,who has25years of professional asset management experience,says he started the company to help investment managers that were drowning in a deluge of data.There has been a massive explosion in data sources,many offering the prospect of more timely information and more impactful signals.But the big data revolution is actually compounding a problem that was already there, says Simcock.Advancements in technology are making analytical processes accessible beyond the world of hedge funds（对冲基金）and CTAs(交易顾问)；things like back testing tools and ways of aggregating information and visualizing information in a really efficient way.Clear Macro is building a“Wikipedia of investment strategies”.It applies strategic,tactical and systematic asset allocation strategies,alongside a combination of select data sets providing real time macro insights,from text media and now-casting to cross border central bank liquidity statistics.Simcock suggests a less is more approach to data.“We are not scraping the internet for data.We are doing aggregation in the sense that we are sourcing what we call best quality data sets for the categories of information that we think decision makers care about holistically,as well as tools to back test and gain conviction over what works and what doesn’t.“He said big data sets within the hedge fund space tend to be really focused on tactical, higher frequency,shorter term decision making,such as trying to gain an edge on payrolls or the next move in inflation,or company results.The industry is very quickly going to move much further toward data driven automated research and investible strategies.“Funds or products that are essentially driven more and more by rules,and can be delivered in different ways,whether it’s an ETF structure or simply connecting to interactive brokers.”Suddenly all sorts of owners of data are realizing the power of their data sets.“We are completely unaware of whether we use traditional data or new data.If we can demonstrate it adds some value then that can justify paying for it.”Data does not come cheap:all sorts of entities are offering to sell their data,from anywhere between￡25K and￡250K,and upward.“The value of data is in the eyes of the beholder,”said Simcock.“Typically I think the way that data sales work is that everything is up for negotiation,”he said.“Some of the things we are finding is a lot of the classic data sets are delivering better performance when you build them into strategies.The message I would give to someone asking how should I deal with this landscape—embrace technologies that can make your job easier and take your time.”51.It is indicated in the first two paragraphs that_____.A)Simcock himself is an investment consultantB)Simcock’s company offers timely messageC)it’s hard to make a selection in data explosionD)high-tech provides ne analytic tools for CTAs52.What can we learn about the“Wikipedia of investment strategies”?A)It makes investment suggestions.B)It sorts and analyzes timely data.C)It provides macro data reports.D)It predicts the statistics of banks.53.According to Simcock,the key to an efficient process with the data is_____.A)aggregation B)allocation C)combination D)simplification54.What opinion does Simcock express in the last paragraph?A)The price of data may soar up in the future.B)Any kind of data can be sold out nowadays.C)Classic data can provide better information.D)It’s worth time to get adapted to new tech.55.What can be the best title of this passage?A)How to Avoid Drowning in Data C)How to Apply Investment StrategiesB)How to Respond to Data Explosion D)How to a Systematic Data SetPartⅣTranslation(30minutes)Directions:For this part,you are allowed30minutes to translate a passage from Chinese intoEnglish.You should write your answer on Answer Sheet2.春联（Spring Festival couplets）是中国独特文化的一部分，有着悠久的历史。
Motorola MOTOTRBO 自动测试与调试8800SX数字无线通信设备测试机说明书
Motorola MOTOTRBO™ Auto-Testand Alignment8800SX Digital Radio Test SetThis guide describes how to setup and use the Motorola MOTOTRBO Auto-Test application on the 8800SX. Supported Models by RegionNorth America Asia Europe Latin AmericaCM200d / CM300d XiR M3188 / 3688 DM1400 / 1600 DEM 300 / 400 CP200d XiR P3688 DP1400 DEP 450SL300 SL1M SL1600 SL470 / 500 SL7550 / 7580 / 7590 SL1K SL4000 / 4010 SL8050 / 8550 XPR 2500 XiR M6660 DM2600 DEM 500 XPR 3300 / 3500 XiR P6600 / 6620 DP2400 / 2600 DEP 550 / 570XPR 4350 / 4380 / 4550 /4580 XiR M8220 / 8228 / 8260 /8268DM3400 / 3401 / 3600 /3601DGM 4100 / 4100+ / 6100 /6100+XPR 5350 / 5380 / 5550 /5580 XiR M8620 / 8628 / 8660 /8668 / CM7668DM4400 / 4401 / 4600 /4601 DGM 5000 / 5500 / 8000XPR 6100 / 6300 / 6350 / 6380 /6500 / 6550 / 6580 XiR P8100 / 8200 / 8208 /8260 / 8268DP3200 / 3400 / 3401 /3600 / 3601DGP 4050 / 4150 / 4150+ /6150 / 6150+XPR 7350 / 7380 / 7550 /7580 XiR P8600 / 8608 / 8620 /8628 / 8660 / 8668 /CP7668 / GP328D /GP338DDP4401 / 4600 / 4601 /4800 / 4801DGM 4100 / 4100+ / 6100 /6100+Equipment Requirements8800SX with options• Option 01 – DMR Conventional Operation• Option 104 – Motorola MOTOTRBO Series Auto-Test and AlignmentTest Hardware• VIAVI 112277 – 10 Amp Current Shunt 0.01 Ohm (for Mobile PA BIAS Alignment)• Radio Programming Cable (See Table 1)• Audio Test Box – RLN4460 (See Table 1 for model compatibility)• Variable Power Supply (30 Amp rating for High Power mobiles)• Battery Eliminator and Interface Box (for portables)o Battery Eliminator (See Table 1)o Motorola RLN 4510 if available)• Test Cable (Low Loss Phase Stable recommended for best accuracy) BNC (M) – BNC (M)• Reference Cable (Short 6”) BNC (M) – BNC (M)• 10 dB attenuator BNC (M) – BNC (F) (Optional but recommended for best accuracy)• Connector Adapterso BNC (F) – BNC (F)o N (M) – BNC (F)o Antenna Test Adapter (See Table 1)o Antenna Adapter Holder (See Table 1)• For best accuracy, the 8800SX should be connected and configured to use an external 10 MHz Standard.Motorola Part NumbersSubscriber Type ProgrammingCableBatteryEliminatorAudio TestBoxAntennaAdapterAntennaAdapterHolderCP200d portable PMKN4128 0180305K08EPP RLN4460 5886564Z01 n/a XPR 3300 /3500 portable PMKN4115 PMNN4428 RLN4460 PMLN6154 PMLN6201 XPR 6100 /6300 / 6350 /6380 / 6500 /6550 / 6580portable PMKN4012 PMNN4076 RLN4460 5880348B33 n/aXPR 7500 IS portable PMKN4012B+ PMLN6430 RLN4460 5880384G68 n/a XPR 7350 /7380 / 7550 /7580portable PMKN4012B+ PMNN4428 RLN4460 PMLN6154 PMLN6155 SL 300 portable CB000262A01 HW000405A01 RLN4460 28012039001 HW000406A01 SL 7550 / 7580/ 7590 portable 25-124330-01R HW000405A01 n/a 28012039001 7012042001 CM200d /CM300d mobile PMKN4147 n/a RLN4460 n/a n/a XPR 2500 mobile PMKN4147 n/a RLN4460 n/a n/aXPR 4350 / 4380 / 4550 /4580 mobile PMKN4010 n/a RLN4460 n/a n/aXPR 5350 /5380/ 5550 /5580mobile HKN6184 n/a RLN4460 n/a n/aTable 1Note: The above table includes radio models for the North American region. For a list of the comparable model names for all regions please reference the above supported models list or Motorola’s documentation. Before you Begin• Before testing begins, be sure to check the system software version of your 8800. Select Utilities>Software>Update from the menu to see the installed system software version.• The system version is indicated at the bottom right of the System Update screen, after the Model and Serial Number.• The Motorola MOTOTRBO application version is displayed in the Auto-Test screen with the Radio OEM.• Check for software updates on the VIAVI 8800 Series Software webpage at/en-us/software-download/8800-series-software The current system software version is displayed next to 8800 Series Software Update.• If your system software version is older than the version listed on this site, download the software, release notes, and installation instructions and update your system software. The system software download includes the latest Auto-Test Software Update.• If the system software version is current, check your Auto-Test application version, as the test scripts are updated more frequently than system software. The Auto-Test Release Notes will list currentversions in order of most recently updated.• The Auto-Test Software Update includes all currently released test scripts.MOTOTRBO Portable Interconnect1. Connect a 12 VDC power supply to the RLN4510 or battery eliminator.2. If the RLN4510 is not used, set the power supply to 7.5 VDC. The power supply should be rated at 5amps.3. Connect radio ANT to 8800 T/R port.4. Connect radio programming cable to 8800 USB port and audio test box if performing audio tests.5. Connect radio programming cable to RLN4460 audio test box and audio cable to 8800 Audio In portif performing audio tests.MOTOTRBO Mobile Interconnect1. Connect radio TX Out to 8800 T/R port.2. Connect radio programming cable to 8800 USBport and audio test box if performing audio tests.3. Connect power supply to radio with positive leadthrough the current shunt if PA BIAS alignment is tobe performed. The current shunt is not required forpower testing.4. The power supply should be capable of supplyingthe required amount of current and the currentlimiting should not be set too low. Proper gaugewires should also be used.5. Connect radio programming cable to RLN4460 audio test box and audio cable to 8800 Audio In portif performing audio tests.Access to the Application1. Select the Utilities dropdown menu, then select Auto-Test.2. Select Motorola MOTOTRBO Series from the Radio OEM menu.Test Screen – Function KeysAfter selecting the Radio OEM, use the Read Radio button to query the radio. This will determine the model of the radio under test then display this information in the “Model-Band” field.Run•This will execute the selected test or alignment process.Last Results•Displays the test results of the last radio tested.Browse Results•Allows access to all previous results for all past radio tests.Manage Config•Store and Recall of user defined specification tables.Cable Loss•Allows the user to enter cable loss factors for separate frequency bands.Select All•Selects all tests available for the radio under test.Deselect All•Deselects all available tests.Note: All menu selections are maintained separately for each model as well as for the Align & Test and Test selection. It is important to either perform the Read Radio or select your model from theModel-Band menu prior to making test selections.Test Screen – Test SelectionsSummary•Displays the Test Summary window showing current test conditions (P)ass (F)ail (S)kip (A)bort (R)unning.Tests•Displays the Test Configuration window allowing separate tests to be selected and configured.Some tests allow entry of test parameters. Available configurations may change between Testand Align & Test menu selections.•Configure buttons allow access to specifications or other user entries.•Configure for Radio Information allows three lines of user text to be entered that will be visible at the beginning of the printout in the Test Results file. These could be used to identify aTechnician ID, Company Name or anything that might be useful at the beginning of the printout.Options•Allows the user to configure various items, along with selecting the frequency bands to be tested or aligned.EOT Beep• The 8800SX will produce an audible beep at the completion of all tests and alignments to notify the operator that the test or alignment is done.Message Beep• When testing dual band mobiles, you will be prompted to move the test cable when moving from one band connector to the other. This option will produce an audible beep to promptthe operator to change the cable connection. Note: The highest frequency band that isselected is always tested first.• When testing radios supporting audio tests, you will be prompted to connect the audio test box or select skip to not perform audio tests.Extended Logging• Diagnostic mode that shows all adjustments to soft pot values.Reset Skip• Resets the prompt for connecting the audio test box to appear again during tests if Skip was selected.Cable Loss BasicsEvery coaxial cable has a loss associated with it. If extremely short, the loss may be negligible. However, any loss that is not compensated will affect radio measurements. For example, a 4’ length of RG-58, used to test a 50 watt mobile radio at 800 MHz could impart an error of approximately 0.7 dB. While this seems insignificant, when converted to a percentage, its importance becomes clear. A compensation factor of 0.4 dB is equivalent to a 10% error in power measurement.• To eliminate this error, compensation must take place.• The following procedure shows how to measure the cable loss for a coaxial cable used to test a radio, but the same procedure can be used for measuring insertion loss of attenuatorsand other devices as well.Cable Loss Calibration1. On the 8800, press the home button to access the System Menu. Select the “Sys Reset” button andselect “Yes” when you receive the prompt: “Do you want to restore factory defaults?”Note: This will not delete any user files.Cable Loss ScreenCable 1 - 52. From the Utilities Menu, select Presets>Clear Display to remove any tiles that may have beenpreviously displayed.Note: Touch the grey bar at the top to access the menu bar.3. Select the following tiles to be displayed:•Generators – Generator•Receivers – Receiver•Meters – RSSI4. Maximize the Generator and Receiver Tiles.5. Configure the RF Generator Tile.•Port: GEN•Enable: ON•Level: -12 dBm6. Configure the RF Receiver Tile.•Frequency: 136.125 MHz•Gen Offset: 0.00 MHz•Lock: ON•IF BW: 10 kHz•Port: ANT•AGC: Auto7. Connect Type N adapters to 8800 GEN and ANT ports.8. Connect the 10 dB Attenuator to the N adapter on the 8800 ANT port.9. Connect the Reference cable from the 8800 GEN port to the attenuator on the 8800 ANT port.10. Note the level displayed on the RSSI Meter. Example: -22.3 dBm11. Set the Receiver Tile AGC setting from auto to manual.• This value should be the next higher value than whatis indicated by the RSSI meter. Setting the AGC to afixed range prevents automatic ranging from choosinga different setting. For -22.3 dBm, set AGC to -20dBm.12. Establish a zero dB Reference (dBr).• Change the RSSI Meter units control from dBm to dBr.• Note that the meter now reads 0.00 dBr.13. Add the Test cable in-line with the Reference cable.• Disconnect the Reference cable from the 10 dB Attenuator on the 8800 ANT port. (Leave the attenuator on the 8800 ANT port.)• Using a BNC barrel connector, connect the Test cable to the Reference cable as shown.• Connect the other end of the Test cable to the 10 dB Attenuator on the 8800 ANT port.14. Record the measured Cable Loss of the Test Cable.o Record the Loss factor for this frequency.o Set the RSSI Meter Units back to dBm.15. Repeat steps 9 through 14 for the following frequencies:• 440.125 MHz• 810.125 MHzCable Loss Entry1. Access the Auto-Test application and select the Cable Loss function button.2. Enter the recorded Loss values into the appropriate frequency band areas on the Cable Lossscreen.3. Select Home when finished to return to the Auto-Test screen.4. The cable calibration is now complete. The Auto-Test application will use the entered values tocorrect the measured power meter readings by the amount of the cable loss.Test and Align & Test FunctionsTest Function• When selected, the menu will change to show only Test items.• No alignments will be made. A test report of pass/fail results will be recorded. Radio model will be automatically identified, and the appropriate specification table will be used for testing.Align & Test Function• All selected items that are capable of being aligned will be aligned. Performance tests will also be performed to validate the alignment.Select All• This will enable all tests.Deselect AllLast ResultsDisplays the most recently completed test result.• Shows Time Date stamp along with the 8800’s serial number and version information for both the system and the application.• Shows radio model, serial number along with radio software versions and configurations.• Shows the Flash CodeSelect Home to return to the Auto-Test screen.Press the icon to exit the Auto-Test screen.Browse ResultsShows all test result files for the current Auto-Test application.Select• Allows a test results file to be loaded and displayed.Copy to USB• Copies ALL test result files for the current Auto-Test application to a connected USB memory stick.• After inserting the USB stick, wait several seconds (or until its light stops flickering on the drive) before selecting Copy to USB.• Be sure to leave the USB stick in long enough for the file copy to complete, waiting 15-20 seconds after the completion message appears.• Removing the USB stick early may result in files not being copied to the memory stick successfully or showing as empty (0 kB in size).Delete All• Deletes ALL test result files for the current Auto-Test application.Running the Auto-Test, Step by Step1. Select Auto-Test from the Utilities menu and select MOTOTRBO Auto-test from the Radio OEM list.2. Connect the Portable or Mobile radio to be tested.3. Select Read Radio.•Check that there are Loss values entered in the Cable Loss Screen for the bands being tested.•If Loss values are not entered, then perform the Cable Loss Calibration procedure.4. Select Test or Align & Test from the menu.5. From the Tests Tab, choose all individual tests to be performed.6. Press Run to begin the Test or Alignment.7. Failed tests should be confirmed by re-testing.Contact Us +1 800 835 2352 *******************************To reach the VIAVI office nearest you,visit /contacts© 2021 VIAVI Solutions Inc. Productspecifications and descriptions inthis document are subject tochange without notice.。
SONAR7官方中文手册
Cakewalk SONAR 7官方中文手册美国Cakewalk公司 原著云天音乐网 饶磊 编译云天音乐网（）版权所有 抄袭必究本文档所涉及的信息如有更改，孰不另行通知，Twelve Tone Systems公司不承担相应的义务。
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SONAR 7 官方中文手册0.目录0. 目录 (3)1. 编者的话 (6)2. 中文SONAR系列图书 (7)3. 前言 (9)4. SONAR 7 介绍 (11)7 新特性概览 (12)4.1. SONAR7 的系统需求 (13)4.2. SONAR4.3. SONAR7 新特性详解 (13)7 的峰值限制器-Boost 11 (17)4.4. SONAR7 包含的虚拟乐器 (17)4.5. SONAR4.6. SONAR7 的母带后期处理插件 (19)7Producer Edition（制作人版）和Studio Edition（工作室版）功能比较 (21)4.7. SONAR4.8. 选择SONAR 7的20个理由 (21)5. 安装 (28)6. 指南 (38)6.1. 指南1——基础 (39)6.1.1. 打开工程 (39)6.1.2. 回放准备 (39)6.1.3. 播放工程 (42)6.1.4. 自动重新开始工程 (44)6.1.5. 更改速度 (46)6.1.6. 静音和独奏 (47)6.1.7. 更改音轨乐器 (48)6.1.8. 在MIDI键盘上演奏音乐 (49)6.2. 指南2——录制MIDI (51)6.2.1. 创建新工程 (51)6.2.2. 录制MIDI音轨 (51)6.2.3. 保存 (54)6.2.4. 循环录制 (54)6.2.5. 插入录制 (56)6.3. 指南3——录制数字音频 (58)6.3.1. 设置采样率 (58)6.3.2. 设置音频驱动器的精度和录制精度 (58)6.3.3. 新建一个工程 (59)云天音乐网（）版权所有 抄袭必究6.3.4. 设置音频轨 (59)6.3.5. 检查输入电平 (59)6.3.6. 录制数字音频 (60)6.3.7. 聆听录制结果 (60)6.3.8. 录制另外一个动机 (61)6.3.9. 输入监听 (61)6.3.10. 循环和插入录制 (62)6.3.11. 多通道录制 (62)6.4. 指南4——编辑MIDI (63)6.4.1. 移调 (63)6.4.2. 用托放的方法复制事件条 (63)6.4.3. 在钢琴卷帘视图里编辑音符 (64)6.4.4. 滑动编辑 (65)6.4.5. 绘制MIDI包络线 (66)6.4.6. 把MIDI转换成音频 (67)6.5. 指南5——编辑数字音频 (69)6.5.1. 打开工程 (69)6.5.2. 导入音频文件 (69)6.5.3. 移动以及循环事件条 (70)6.5.4. 对事件条进行滑动编辑 (70)6.5.5. 自动交叠淡变 (71)6.5.6. 合并音轨 (71)6.6. 指南6——使用智能事件条 (72)6.6.1. 添加智能事件条到工程里 (72)6.6.2. 循环智能事件条 (73)6.6.3. 更改智能事件条的音高 (75)6.6.4. 更该工程的速度 (76)6.6.5. 创建你自己的智能事件条 (76)6.7. 指南7——混音 (80)6.7.1. 添加实时的音频效果 (80)6.7.2. 对单独的效果设置自动控制 (80)6.7.3. 编组控制 (81)6.7.4. 对混音自动控制 (81)6.7.5. 导出MP3文件 (82)6.8. 指南8——使用软件合成器 (84)6.8.1. 把Cakewalk TTS-1插入到工程里 (84)6.8.2. 通过软件合成器播放MIDI音轨 (85)6.8.3. 将软件合成器音轨转换成音频 (85)6.9. 指南9——鼓映射 (87)SONAR 7 官方中文手册6.9.1. 创建一个新工程 (87)6.9.2. 创建鼓映射 (87)6.9.3. 创建一条鼓音轨 (87)6.9.4. 映射鼓音符到不同的输出端口上 (88)6.10. 指南10——Cyclone软件合成器 (91)6.10.1. Cyclone概述 (91)6.10.2. 添加文件到节奏垫 (91)6.10.3. 设置节奏垫的音量和相位 (92)6.10.4. 演奏Cyclone (92)6.10.5. 在循环编辑器里编辑循环 (93)7. 版权说明 (95)云天音乐网（）版权所有 抄袭必究1.编者的话云天音乐网（）是专门从事电脑音乐研究和教学的专业网站，自从2000年开办以来一直得到广大电脑音乐爱好者的喜爱。
Model6000用户手册
Belfort Instrumen tVisibility Senso rUser’s manualBelfort 能见度传感器用户手册北京莫尼特尔环境技术开发有限公司北京赛克玛环保仪器有限公司CHINA RoHS PHASE 1 COMPLIANT符合中国RoHS 第一阶段要求TABLE OF CONTENTS目录1.1 Introduction 介绍 (1)Figure 1.1 - Model 6000 Visibility Sensor 图1.1- Model 6000能见度传感器 (2)1.2 Safety Precautions 安全措施 (3)Figure 1.2 - High Voltage Safety Label 图1.2-高压安全标志 (4)1.3 EQUIPMENT LIST 设备清单 (5)Figure 1.3 - Equipment List图1.3-设备清单 (6)1.4 Specifications 规格 (7)1.5 Site Selection 地点选择 (9)2.1 UNPACKING 拆箱 (11)Figure 2.1 - Unpacking the Sensor 图2.1-传感器拆箱 (12)2.2.1 Supply Voltage Cable Description- AC Supply Models 电源电缆的描述-交流 (13)Figure 2.2 - AC Power Cable Wiring 图2.2-交流电源电缆配线 (14)2.2.2 Supply Voltage Cable Description- DC Supply Models电源电缆的描述-直流 (15)Figure 2.3 - DC Power Cable Wiring 图2.3-直流电源电缆配线 (16)2.3 Communications Cable Description 通讯电缆的描述 (16)2.4 Installation of Visibility Sensor 能见度传感器的安装 (18)Figure 2.4.1 - Installation of Visibility Sensor 图2.4.1-能见度传感器的安装 (19)Figure 2.4.2 - Installation Kit 图2.4.2-配件的安装 (19)2.5.1 - Connecting Cables from the Model 6000 Visibility Sensor AC SUPPLY MODELSModel 6000能见度传感器的电缆连接交流电源 (20)2.5.2 - Connecting Cables from the Model 6000 Visibility Sensor DC SUPPLY MODELSModel 6000能见度传感器的电缆连接直流电源 (21)2.6 Operational Check 操作检查 (22)Figure 2.6 - Message of power-up 图2.6-开机信息 (22)3.0 Firmware Commands of the Model 6000 Visibility Sensor Model 6000能见度传感器的固件命令 (24)Figure 3.0 - List of Visibility Sensor commands 图3.0-能见度传感器命令表 (25)3.1 - The F0 Command F0命令 (26)Figure 3.1 - Results of ‘F0' Command 图3.1-“F0”命令的结果 (26)3.2 - The FA Command FA命令 (27)Figure 3.2 - Results of ‘FA' Command图3.2-“FA”命令的结果 (27)3.3 - The FB Command FB命令 (28)Figure 3.3 - Results of ‘FB' Command图3.3-“FB”命令的结果 (28)3.4 - The FC Command FC命令 (30)Manual Number 90007-4 REV AFigure 3.4 - Results of ‘FC' Command图3.4-“FC”命令的结果 (30)3.5 - The FE Command FE命令 (32)3.6 - The FJ Command FJ命令 (33)Figure 3.6 - Results of ‘FJ' Command图3.6-“FJ”命令的结果 (33)3.7 - The FK Command FK命令 (34)Figure 3.7 - Results of ‘FK' Command图3.7-“FK”命令的结果 (34)3.8 - The FN Command FN命令 (35)Figure 3.8 - Results of ‘FN' Command图3.8-“FN”命令的结果 (35)3.9 The FL Command FL命令 (36)Figure 3.9 - 'FL' Command Output图3.9-“FL”命令的结果 (36)3.10 The FR Command FR命令 (38)Figure 3.10 - Results of ‘FR' Command图3.10-“FR”命令的结果 (38)3.11 The FS Command - Span State Calibration FS命令-范围校准 (40)3.12 The FT Command - Self Test FT命令-自测 (42)Figure 3.12 –‘FT’ command response 图3.12-“FT”命令的结果 (42)3.13 The FZ Command - Zero State Calibration FZ命令-零校准 (43)3.14 The Password and Super User Privileges 密码和高级用户权限 (44)Figure 3.14 - Results of typing “Ctrl-V” and correctly entering the Password “foggy”图3.14-按下"Ctrl-V"的结果和正确输入密码"foggy" (44)4.0 OPERATION 操作 (46)5.0 MAINTENANCE OF THE VISIBILITY SENSOR 能见度传感器的维护 (47)5.1 Maintenance Schedule for the Model 6000 Visibility Sensor Model 6000能见度传感器的维护时间表 (48)Table 5.1 - Maintenance Schedule 表5.1-维护时间表 (48)5.2 FUSE LOCATION AND REPLACEMENT 熔断器的位置和更换 (50)Figure 5.2 - Model 6000 Visibility Sensor Fuse Access 图5.2-Model 6000能见度传感器熔断器的位置.516.0 CALIBRATION OF VISIBILITY SENSOR 能见度传感器的校准 (51)7.0 MANUFACTURERS INFORMATION 制造商信息 (54)Appendix A 附录A (55)Figure A.1 - Dimensional information 图A.1-尺寸 (55)Appendix B 附录B (56)China RoHS Declaration Table 中国《电子信息产品污染控制管理办法》申报表Manual Number 90007-4 REV AManual Number 90007-4 REV A1 1.1 Introduction 介绍The Model 6000 Visibility Sensor is a compact, high performance instrument used to measure the visibility in wide range of applications.Model 6000能见度传感器是一种紧凑的、高精确性的仪器，可应用于多种场合的能见度测量。
CET4 模拟测试题10 Model Test 10
Model Test T e nPart I Writing (30minutes)Directions: For this part, you are allowed 30 minutes to writ an essay. There are two different views about health care: one is that health care should be free for everyone and the other is that people should pay medical costs for themselves. You are to give your own opinion. Write an essay to explain the reasons for your opinion. You should write at least 120ords but no more that 180 words.Part II Listening Comprehension (25 minutes)Section ADirections: In this section, you will hear three news reports. At the end of each conversation, you will hear four questions. Both the news report and the questions will be spoken only once. After you hear a question, you must choose the best answer from the four choices marked A), B), C) and D). Then mark the corresponding letter on Answer Sheet 1 with a single line through the centre.Questions 1 and 2 are based on the news report you have just heard.1.A) The amount of it changes from season to season.B)The amount of it shrinks to the lowest level in July.C)The amount of it grows in winter and shrinks in summer.D)The amount of it is close to that of Arctic sea ice.2.A) It has something to do with the weather. B) It is due to the greenhouse effect.C) It is hard to identify. D) It has aroused public concern.Questions 3 and 4 are based on the news report you have just heard.3.A) It is warming at a slower pace that elsewhere.B)It is warming at a quicker pace that elsewhere.C)Its temperature is soaring at a high speed everywhere.D)Its temperature is going towards the level of tropical areas.4.A) The trend of climate change can be reversed.B)The sea-level rise is a linear trend.C)The rising sea level is largely caused by floods.D)The sea-level rise is accelerating.Questions 5 to 7 are based on the news report you have just heard.5.A) The process of turning hydrogen into a metal.B)Hydrogen might be turned into a metal.C)Reflectivity is a key trait of metals.D)The decades-long search for superconductors.6.A) By compressing it to 4.9 million times atmospheric pressure.B)By heating it up to extremely high temperatures.C)By cooling it down to extremely cold temperatures.D)By squeezing it strong enough at room temperature.7.A) Most of them work only at room temperature.B)Most of them work only at freezing temperature.C)Most of them work only at extremely cold temperatures.D)Most of them work only at extremely high temperatures.Section BDirections：In this section, you will hear two long conversations. At the end of each conversation, you will hear four questions. Both the conversation and the questions will be spoken only once. After you hear a question, you must choose the best answer from the four choices marked A), B), C), and D). Then mark the corresponding letter on Answer Sheet 1 with a single line through the centre.Questions 8 to 11 are based on the conversation you have just heard.8.A) He is applying for a job. B) He is reading a job advertisement.C) He is filing in a form for a school. D) He is writing his graduation thesis.9.A) Because he does not want his college education to be useless.B)Because he is quite skilled in his major.C)Because he has spent much time and money on college education.D)Because he is very interested in his major.10.A) How to improve nutrition for children of the minority groups.B)How to distribute food and money to the poor.C)How to understand the needs of the poor.D)How to collect money for charitable causes.11.A) It is frustrating. B) It is natural. C) It is intolerable. D) It is motivating.Questions 12 to 15 are based on the conversation you have just heard.12.A) Because people in that period believed in the power of God.B)Because people in that period believed in the power of mankind.C)Because people in that period believed in the power of religious faith.D)Because people in that period believed in the power of nature.13.A) He was elected the first president of the USA.B)He was one of the drafters of the Declaration of Independence.C)He was a successful businessman as well as a famous writer.D)He was the embodiment of American Dream.14.A) He was the commander in chief of the Continental army.B)He was the second American president.C)He drafted the Declaration of Independence alone.D)He was a successful statesman and scientist.15.A) So far as you work hard, you can make your dream come true.B)Only when you have a higher education can you realize your dream.C)Despite your efforts, you can’t make it if opportunity does not strike you.D)Despite your efforts, your family background counts more in your life.Section CDirections: In this section, you will hear three passages. At the end of each passage, you will hear some questions. Both the passage and the questions will be spoken only once. After you hear a question, you must choose the best answer from the four choices marked A), B), C)and D). Then mark the corresponding letter on Answer Sheet 1 with a single line through the centre.Questions 16 to 18 are based on the passage you have just heard.16.A) A new exhibition to explore the significance of selfies as an art form.B)A new exhibition to explore the importance of self-portraits.C)A new exhibition of Vincent Van Gogh’s famous works.D)A new exhibition of recent celebrities’selfies.17.A) A tool of becoming icons of the digital era.B)A tool of artistic expression to which we all have access.C)A shift in society using technology as a means of self-expression.D)A shift in society using technology as a means of becoming popular.18.A) Modern technology. C) The smartphone.B)Social media. D) The iPhone.Questions 19 to 21 are based on the passage you have just heard.19.A) A punishing figure. B) A righteous f igure.C)A funny figure. D) An almighty figure.20.A) They try to entertain the devil with gifts. C) They try to ask their parents to beat the devil.B) They try to run away. D) They try to hide at a corner of their rooms.21.A) In German folklore. C) In Australian folklore.B) In Austrian folklore. D) In Croatian folklore.Questions 22 to 25 are based on the passage you have just heard.22.A) Misconceptions about learning English. C) The key to learning English speaking.B)The key to learning English vocabulary. D) The key to talking to native speakers.23.A) More speaking practice. B) A wide vocabulary.C)Rich knowledge of grammar. D) More input.24.A) Because they tend to think in their native language.B)Because they are slower in the process of learning a language.C)Because they are ashamed of making mistakes.D)Because they lack speaking practice.25.A) It can be trained only by speaking with native speakers.B)It is a skill and should be trained.C)It is a skill that develops automatically.D)It can be trained by reciting English essays.Part ⅢReading Comprehension ( 40 minutes )Section ADirections: In this section, there is a passage with ten blanks. You are required to select one word for each blank from a list of choices given in a word bank following the passage. Read the passage through carefully before making your choices. Each choice in the bank is identified by a letter. Please mark the corresponding letter for each item on Answer Sheet 2 with a single line through the centre. You may not use any of the words in the bank more than once.Questions 26 to 35 are based on the following passage.Passwords are a pain in the ass. They’re either easy to 26 or hare to remember, and when breaches ( 破坏) 27 you have to come up with a whole new one . So people are trying to do away with passwords altogether, and so far fingerprint scanners are doing the job nicely.Still, fingerprints alone are not 28 . Online security has become 29 important, forcing service providers to come up with better measures such as two-factor authentication ( 验证) to 30 user information. Companies are turning to other parts of our bodies to find biometric (生物计量的) 31 that are up to the task, and our faces and eyes are at the top of the list. Although facial and eye-based recognition appear gimmicky for now, they may soon become as prevalent and popular as fingerprint scanners. That pairing could root out passwords and clunky text-message two-factor 32 altogether, making it a completely biometric p rocess.The popularity , prevalence and convenience of fingerprint scanning means it is here to stay, and by no means are face and eye recognition meant to 33 it. Choudhury sees the newer method as a complement toI) interfere J) model K) occur L) replace M) traditionally N) verification O) widespreadA) complementsB) conceptionsC) crackD) defendE) enoughF) identifyG) inappropriateH) increasinglyfingerprints, providing a more convenient second-factor authentication as opposed to entering a text code sent to your phone. While the tech we have right now may not be fast or secure enough to be truly convenient and helpful, we’re getting close. Using the adoption of fingerprint scanners as a 34 ,Choudhury estimated we are about five years away from iris ( 虹 膜 ) scanners and face detection becoming 35 .Until then ,we’ll have to deal with changing our crappy pa sswords every so often and hope we don’t forget them.Section BDirections: In this section, you are going to read a passage with ten statements attached to it. Each statement contains information given in one of the paragraphs. Identify the paragraph from which the information is derived. You may choose a paragraph more than once. Each paragraph is marked with a letter. Answer the questions by marking the corresponding letter on Answer Sheet 2.Sent Home for Not Wearing Heels, She Ignited a British Rebellion[A] LONDON-When Nicola Thorp reported to work awhile back as a temporary receptionist in the financial center here , she was shocked when her temp supervisor said her flat shoes were unacceptable. She would need to get herself shoes with heels at least two inches high.[B] When she refused, she was sent home from the accounting firm PwC without pay. Bu that was not the end of it. Five months later, Ms. Thorp, an actress originally from the northern seaside city of Blackpool, started a petition calling for a law that would make sure no company could ever again demand that a woman wear heels to work.[C] The petition collected more than 150,000 signatures, helped spur a popular opposition-dozens of professional women posted photographs of themselves on Twitter defiantly wearing flats-and prompted an inquiry overseen by two parliamentary committees.[D] On Wednesday, more than two years after Ms. Thorp, now 28, strode into that office in her chic but sensible black flats, the committees released a report concluding that Portico, the outsourcing firm that had insisted she wear high heels, had broken the law. It added that existing law needed to be toughened to overcome outmoded and sexist workplace codes.[E] During the investigation, the committees received hundreds of complaints from women whose companies had demanded that they “ dye their hair blonde.” “wear revealing outfits” or “ constantly reapply makeup.” “Discriminatory dress codes remain widespread,” t he report said.[F] Ms. Thorp praised the inquiry’s conclusion, saying it was all the more imperative in the Trump era, when men around the world had a role model in the White House who had boasted about behaving badly toward women.[G] “I refused to work for a c ompany that expected women to wear makeup, heels and a skirt. This is unacceptable in 2017,” she said . “ People say sexism is not an issue anymore. But when a man who has admitted publicly to sexually harassing women is the leader of the free world, it is more crucial than ever to have laws that protect women.”[H] Ms. Thorp said her resistance to heels, while a protest against sexism and discrimination, was also a matter of public health given the toll that high heels take on women’s feet. “The company expected me to do anine-hour shift on my feet accompanying clients to meeting rooms, ”she said. “I told them that I just wouldn’t be able to do that in heels.”[I]Portico on Wednesday said it had rewritten its code almost immediately after the issue was raised by Ms. Thorp, dropping the heel requirement, among others . Its old code had warned employees against such thing as greasy or highly gelled hair or wearing flowers as accessories. It had also called for heel height to be two to four inches and for makeup to be “worn at all times” and “ regularly reapplied,” with a minimum of lipstick, mascara (睫毛膏) and eye shadow.[J]PwC stressed that the dress code required by Portico in December 2015 was Portico’s policy and had been enforced by a Portico supervisor. Nevertheless, it said it regretted that the inquiry was instigated by an incident at its offices, and it remained committed to equality at the workplace.[K]In some spheres, Britain, a multicultural society, has been particularly sensitive about gender discrimination. Last summer the mayor of London, Sadiq Khan, banned advertisements showing scantily clad ( 衣着暴露的) women from the city’s public transportation system, saying they promoted unhealthy or unrealistic body images.[L]But legal experts and women’s advocates say social and cultural conventions can be harder to change. When Prime Minister Theresa May was photographed recently wearing a $1,250 pair of “ desert khaki (卡其色)”leather pants, she was criticized as being excessive and out of touch, even as her defenders argued that no one talked about Mr. Trump’ s far more expensive Brioni suits.[M]Nevertheless, before she entered No.10 Downing Street, Mrs. May herself may have played a role in reinforcing gender stereotypes. When she was the minister for women and equality in 2011, she said that “ traditional gender-based workplace dr ess codes” had not held her back and argued that they encouraged “ a sense of professionalism ” in the workplace.[N]In a sign of the challenges ahead, the British television host Piers Morgan inspired a Twitter storm on Wednesday when he insisted during an interview with Ms. Thorp that it was not unreasonable to expect a receptionist to wear stiletto heels (细跟鞋) 。
剑桥雅思阅读7真题解析pdf精选
剑桥雅思阅读7真题解析pdf精选reading passage 1you should spend about 20 minutes on questions 1-13, which are based on reading passage 1 below.let’s go batsb bats have an engineering problem: how to find their way and find their prey in the absence of light. bats are not the only creatures to face this difficulty today. obviously thenight-flying insects that they prey on must find their way about somehow. deep-sea fish and whales have little or no light by day or by night. fish and dolphins that live in extremely muddy water cannot see because, although there is light, it is obstructed and scattered by the dirt in the water. plenty of other modern animals make their living in conditions where seeing is difficult or impossible.c given the questions of how to manoeuvre in the dark, what solutions might an engineer consider? the first one that might occur to him is to manufacture light, to use a lantern or a searchlight. fireflies and some fish (usually with the help of bacteria) have the power to manufacture their own light, but the process seems to consume a large amount of energy. fireflies use their light for attracting mates. this doesn’t require a prohibitive amount of energy: a male’s tiny pinprick of lightcan be seen by a female from some distance on a dark night, since her eyes are exposed directly to the light source itself. however, using light to find one’s own way around requires vastly more energy, since the eyes have to detect the tiny fraction of the light that bounces off each part of the scene. the light source must therefore be immensely brighter if it is to be used as a headlight to illuminate the path, than if it is to be used as a signal to others. in any event, whether or not the reason is the energy expense, it seems to be the case that, with the possible exception of some weird deep-sea fish, no animal apart from man uses manufactured light to find its way about.questions 1-5reading passage 1 has five paragraphs, a-e.which paragraph contains the following information?write the correct letter, a-e, in boxes 1-5 on your answer sheet.nb you may use any letter more than once.1 examples of wildlife other than bats which do not rely on vision to navigate by2 how early mammals avoided dying out3 why bats hunt in the dark4 how a particular discovery has helped our understanding of bats5 early military uses of echolocationquestions 6-9choose one word only from the passage for each answer.write your answers in boxes 6-9 on your answer sheet.facial visionquestions 10-13choose no more than two words from the passage for each answer.write your answers in boxes 10-13 on your answer sheet.10 long before the invention of radar, …………… had resulted in a sophisticated radar-like system in bats.11 radar is an inaccurate term when referring to batsbe cause………… are not used in their navigation system.12 radar and sonar are based on similar ………… .13 the word ‘echolocation’ was first used by someone working as a ……… .reading passage 2you should spend about 20 minutes on questions 14-26, which are based on reading passage 2 on the following pages.questions 14-20reading passage 2 has seven paragraphs, a-h.choose the correct heading for paragraphs a and c-h from the list of headings below.write the correct number, i-xi, in boxes 14-20 on your answer sheet.list of headingsi scientists’ call for a revision of policyii an explanation for reduced water useiii how a global challenge was metiv irrigation systems fall into disusev environmental effectsvi the financial cost of recent technological improvementsvii the relevance to healthviii addressing the concern over increasing populationsix a surprising downward trend in demand for waterx the need to raise standardsxi a description of ancient water supplies14 paragraph aexample answerparagraph b iii15 paragraph c16 paragraph d17 paragraph e18 paragraph f19 paragraph g20 paragraph hmaking everydrop counta the history of human civilisation is entwined with the history of the ways we have learned to manipulate water resources. as towns gradually expanded, water was brought from increasingly remote sources, leading to sophisticated engineering efforts such as dams and aqueducts. at the height of the roman empire, nine major systems, with an innovative layout of pipes and well-built sewers, supplied the occupants of rome with as much water per person as is provided in many parts of the industrial world today.b during the industrial revolution and population explosion of the 19th and 20th centuries, the demand for water rosedramatically. unprecedented construction of tens of thousands of monumental engineering projects designed to control floods, protect clean water supplies, and provide water for irrigation and hydropower brought great benefits to hundreds of millions of people. food production has kept pace with soaring populations mainly because of the expansion of artificial irrigation systems that make possible the growth of 40 % of the world’s food. nearly one fifth of all the electricity generated worldwide is produced by turbines spun by the power of falling water.c yet there is a dark side to this picture: despite our progress, half of the world’s population still suffers, with water services inferior to those available to the ancient greeks and romans. as the united nations report on access to water reiterated in november 2001, more than one billion people lack access to clean drinking water; some two and a half billion do not have adequate sanitation services. preventable water-related diseases kill an estimated 10,000 to 20,000 children every day, and the latest evidence suggests that we are falling behind in efforts to solve these problems._underground stores of water。
大学英语一周一练四级10套题答案
Keys to Model Test （10）Band FourPart I. WritingDo “Lucky Numbers” Really Bring Good Luck?Some people say that some numbers will bring them good luck. Take 8 for example, in Chinese character “Fa”, means fortune. Therefore, many Chinese people spare no effort to get their telephone number or plate number to include this number “8”. They undoubtedly believe that the number will bring them luck.However, others don’t believe that numbers have any connection with good luck. They think such kind of idea is only an ignorant and superstitious belief. A number is one thing, and good luck is another. They will say; how can you ever have any good luck simply because of some lucky numbers, and if you don’t work hard, do you have good opportunities and get along well with the people around you?So far as I am concerned, I agree with the later one. Obviously, such belief is only a kind of superstition. Perhaps it holds true for some cases, but it does not in prevailing time. Numbers can never bring good luck to a person at all and our fortune is in our own hands. Therefore, everyone can have good fortune only if he tries his best.Part II. Reading Comprehension (Skimming and Scanning)1. N 见文章第二段最后一句。
Model Test 6 参考答案
Model Test 参考答案Part I WritingPrecious WaterNo one doubts the importance of water. Human beings live on water, animals live on water, plants live on water and all living things live on water. You can’t imagine what would happen if there were no water in the world!China is one of the countries in the world that are badly short of water. Water problem has become more acute in recent years with the increase of water consumption and pollution. In big cities, the water problem has become even worse. With the growth of population, more and more water is needed. With the development of the industry, a large quantity of water has been and is being polluted. Water pollution is the most serious problem that China is facing. It has spread to rivers, lakes, and even the oceans.In order to survive, man has to be wise enough to treasure water and try to prevent it from being polluted. Man should also know that all resources in the world are limited, including water. Make good use of them, otherwise, man will be punished by nature. To treasure water is to treasure life; to protect our environment is to protect ourselves.Part II Reading Comprehension(Skimming and Scanning)1. A 细节题。
Model Test 1(除完型之外所有的答案-阅读带解析+听力原文)
Model Test 1Part 1 writingToo Much Expenditure on FashionThe ever-changing fashion mirrors the advance of human civilization. And the desire for beauty and fashion is blameless. However, some college students dip into their purses in order to keep up with the Joneses. Some of them even cut down the expending for books and meals to satisfy their desire for fashionable dress.As far as I am concerned, college students should cherish ambitions rather than become slaves of fashion. Attention should be paid to the disadvantages of the blinded following of fashion. Firstly, the pursuit of fashion has made many college students get lost. Some of them even fail to focus on their study. Besides, it is a costly hobby to follow the tide, which will impose financial stresses on their parents.All in all, we should adopt a more reasonable attitude towards the pursuit of fashion.Part ⅡReading Comprehension (Skimming and Scanning)(15 minutes) .1. A2. A3. D4. C5. B6. B7. C8. development staff 9. straightforward 10. adult studentsPart Ⅲ Listening ComprehensionSection A11—15 DADCC 16—20 ADBCD 21—25 ADDBBSection B26—30 BDCBC 31—35 DBBDASection C36.feared 37. rank 38.including 39.developing40. prizes 41.accomplishments 42. considered 43.manners44. This impression may be created when visitors notice young Americans asking questions and arguing with older people45. It is vital to remember that it is the person’s ideas that are being questioned, not the individual himself46. so that the work of the business can progress in the most effective manner possible Part ⅣReading Comprehension（Reading in Depth）（25 minutes）Section A47. K 该空应填入一名词。
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Keys to model test 7
1-7 BCBCD CB
8. de-centralized
9. placeness
10. round-the-clock location (for work and play)
47-51 CDEMO 52-56 GNFKI 57-61 DDBAC 62-66 BCABD 67-71 BABAC 72-76 DCCAC 77-81 BCDAB 82-86 DABCA
87. need n’t have done
88. China tops the list of instant noodle demands
89. result from human activities
90. one of the best steps you can take
91. when the telephone rang
Keys to model test 8
1-7 ACDBA BC
8. adult continuing education
9. primarily
10. shared, mutual
47-51 DHOGM 52-56 JBBNCA 57-61 BDBCD 62-66 AACBD
67-71 CACDD 72-76 CDCBA 77-81 BBABC 82-86 DACBA
87. play important roles/ parts in
88. summit your resume online within this week
89. this dispute (should) be resolved / settled as soon as possible
90. forgetting to call in advance to cancel the date
91. At the thought of Saturday’s interview
Keys to model test 9
1-7 ABDCD AB
8. extended grammar and vocabulary
9. provide
10. release
47-51 BMOAF 52-56 EHIKL 57-61 ABBDC 62-66 DACBB
67-71 ADABC 72-76 CCDAB 77-81 ACDCB 82-86 CADCB
87. so that he could pass it smoothly
88. participate in / take part in regular physical activity
89. children in lower grades have too heavy study load
90. let alone / not to mention of / not to speak of the same company
91. have trouble/ difficulty (in) understanding text
Keys to model test 10
1-7 BCBDB AB
8. college-level courses
9. partners
10. keep up in the global economic race
47-51 CFGAM 52-56 BOJKD 57-61 DABDA 62-66 BACDA
67-71 AABCC 72-76 DDCAB 77-81 CBBAC 82-86 BDDDD
87. shall have left for
88. It is really worth a reading /It is really worthy of a reading
89. the better we understand their thoughts / ideas
90. attributed it to John’s strong will
91. bound to have a dramatic effect / influence on the future work。