北师大高中英语选修七同步作业:nit Langage课后限时作业3 含答案
新教材适用2024_2025学年高中英语Unit7ArtSectionⅢ课后习题北师大版必修第三册
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SectionⅢWritingWorkshop,ViewingWorkshop&ReadingClub一、用适当的介/副词填空1.When I get into trouble,I always go to my parents to ask advice.2.The girl told me that she was fond the new song.3.The man is working the new project these days.4.He as well his parents often reads books before bedtime.5.I don’t like its colour. addition,I don’t have enough money.6.I’d like to change my job.But the same time,I don’t want to leave the city.7.The girl had many jobs,ranging a waitress to a worker.8.It is said that there are over 2,000 people total in the hall.二、单词拼法1.He looked at her with obvious (敬佩).2.He admitted that he had used (带有威逼的) behaviour.3.In my (青年时期) my ambition had been to be an inventor.4.She promised (忠实地) not to tell anyone my secret.5.The purpose of the law is to protect the right of the (个体).6.She won a gold medal for her fine performance in the (竞赛).7.No official (许可) has been given for the event to take place.8.Peter stood by me when I most needed it.I’ll always (感谢) that.9.The solution to this problem is (可接受的).10.If you want to sell your house property,why not put an (广告) in the newspaper?三、用所给单词的适当形式填空1.Such bad behaviour is (punish) in our country.2.I really appreciate (invite) to give this speech.3.The policeman signalled us (cross) the road at once.4.The phone in that house (ring) the whole morning.5.For this course a pass in English at grade B is (accept).6.Without his (permit),I can’t take the bag out of the house.7. (current),more and more people are learning a foreign language.四、完成句子1.许多村民来帮助我们,他们都很和善。
北师大高中英语选修七同步作业:nit New Frontier课后限时作业5 含答案
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课后限时作业(五)[语言知识练]Ⅰ.单句语法填空1.This dictionary is available in __electronic__(electricity) version.2.He found the book was of great __assistance__(assist).3.The past few days have really worn him __out__.4.The government has set up a working party to look __into__ the problem of drug abuse.5.The situation made it no use __quarrelling__(quarrel) with him about it.6.These people are facing increasing risks of __starvation__(starve) and disease.7.This __technical__(technology) innovation will save us much time and labour.8.A good tool-box is a __handy__(hand) thing to have in the house.9.Learning to deal with the social world is __equally__(equal) important.10.What time is suitable __for__ us to meet?Ⅱ.课文语法填空People around the world have always been trying to find out more about the future over the centuries.Some people read fantasy stories 1.__while__ others write about the future themselves.For them, 2.__thinking__(think) about the future is just for fun.There are also some people 3.__who__ plan the future of the world for a living.They 4.__are called__(call) futurologists.Here are some of their 5.__predictions__(predict).Computers will become6.__handier__(handy);new types of material will have been produced by the clothing industry and7.__whatever__ you spill on them,they will remain stainless;there will be enough food for everyone so that no one 8.__will die__(die) of starvation;development in science will have made 9.__it__ theoretically possible for us to live for far longer;we will be linking our brains to the computers;we will have discovered other places 10.__suitable__(suit) for living.[高考题型练]Ⅲ.阅读理解There is an old joke among pilots that says the ideal flight crew is a computer, a pilot and a dog. The computer's job is to fly the plane. The pilot is there to feed the dog. And the dog's job is to bite the pilot if he tries to touch the computer.Handing complex tasks to computers is not new. But recent progress in machine learning, a subfield of artificial intelligence (AI), has enabled computers to handle many problems which were previously beyond them. The result has been an AI boom, with computers moving into everything from medical diagnosis and insurance to self-driving cars.There is a problem, though. Machine learning works by giving computers the ability to train themselves, which adapts their programming to the task at hand. People struggle to understand exactly how those self-written programs do what they do. When algorithms(计算机程序) are doing small tasks, such as playing chess or recom mending a film to watch, this “black box”problem can be safely ignored. When they are deciding who gets a loan, or how to drive a car through a crowded city, it is potentially harmful. And when things go wrong, then customers, regulators and the courts will want to know why.For some people this is a reason to hold back AI. France's digital-economy minister, Mounir Mahjoubi, has said that the government should not use any algorithm whose decisions cannot be explained. But that is an overreaction. The difficulties caused by clever computers are not unheard -of. Society already has plenty of experience dealing with problematic black boxes; the most common are called human beings, who can't even figure out what's going on in a brain. In response to the weakness in humans, society has evolved(逐步形成) a series of workable coping mechanisms, called laws, rules and regulations. Many of these can be applied to machines as well.Humans have worked with computers on complex tasks for decades. One lesson from such applications is that, wherever possible, people should supervise(监督) the machines. In that joke, pilots are vital in case something happens that is beyond the scope of artificial intelligence. As computers spread, companies and governments should ensure the first line of defence is a real person who can overrule the algorithms if necessary.语篇导读本文为说明文。
北师大高中英语选修七课时规范训练:nit Langage Period 1 含答案
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Unit 19Period OneⅠ.完形填空(共20小题;每小题1.5分,满分30分)阅读下面短文,从短文后各题所给的A、B、C和D四个选项中,选出可以填入空白处的最佳选项。
My watch stopped working a few days ago.The band __1__ without my noticing,causing it to fall to the floor while I was doing some __2__.As I stepped back to __3__ some other clothes, I heard a terrible sound.I __4__ the watch and saw its face had been cracked.I saw that it was beyond __5__ and sadly threw it into the garbage.Strangely, though it is __6__,I find that I have no wish to buy a new one.__7__ it is because in this digital age clocks are __8__.They are on my wall,in my car,on my computer,and even on my phone.I even needn't __9__ my head if I want to see what time it is.I think that the real reason, __10__,is that as I grow older, my relationship with __11__ itself has changed.While I feel as __12__ as ever,time in this world has gone by too fast.The little baby boy I once rocked to __13__ on my chest is now a 23-year-old man who is bigger than me.Young and __14__ adults have now grown old, sickened and even __15__.Now I can see that time cannot be kept.It flows on and on and carries us with it in a river of __16__.The days go by,our hair turns __17__,our skin becomes wrinkled,and our bodies wear out.Looking at our __18__ cannot slow it down.All we can do is to embrace it and __19__ each day we are given.So do your best to spend each __20__ moment here with joy.Do your best to spend your days living,laughing, hugging, helping, praying and smiling.Do your best to spend your seconds here loving yourself,and others.()1.A.cut B.brokeC.closed D.stopped()2.A.exercising B.readingC.washing D.cooking()3.A.fetch B.findC.see D.choose()4.A.set up B.picked upC.looked for D.cared about()5.A.reach B.descriptionC.construction D.repair()6.A.worn B.disabledC.gone D.lost()7.A.Truly B.ReallyC.Indeed D.Perhaps()8.A.somewhere B.nowhereC.anywhere D.everywhere()9.A.shake B.turnC.nod D.bury()10.A.although B.thereforeC.however D.instead()11.A.achievement B.timeC.competition D.satisfaction()12.A.young B.calmC.happy D.useful()13.A.beat B.knockC.sleep D.stand()14.A.brave B.energeticC.rude D.proper()15.A.passed away B.got awayC.run away D.given away()16.A.smile B.silenceC.change D.love()17.A.brown B.blackC.yellow D.grey()18.A.watches B.bodiesC.ages D.relatives()19.A.share B.enjoyC.divide D.waste()20.A.considerate B.interestingC.precious D.difficult【答案与解析】1.B根据空后的“causing it to fall to the floor”可知,表带断了,故选B项。
北师大高中英语选修七同步作业:nit Langage课后限时作业 含答案
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课后限时作业(四)[语言知识练]Ⅰ.单句语法填空1.Does your son apply himself to __doing__(do) some research in his spare time?2.He dealt with an __embarrassing__(embarrass) situation in a skillful way.3.Keep your safety belt __fastened__(fasten).4.The camera is __so__ expensive that I can't afford it.5.__In__ addition,communicating well can help prevent and resolve conflict.6.As a staff,you should focus your attention __on__ your work.7.Mrs White prefers __to do__(do) some voluntary work in a local hospital,rather than do nothing all day long.8.She had to leave off if she couldn't be __competent__(competence) for the job.9.—How can you get involved __in__ such a difficult situation?—Well,I have no choice but to get into it as expected.10.They managed to sign __up__ all the best performers.[高考题型练]Ⅱ.阅读理解Happy, angry, amazed—these are some of the emotions we like to express these days when we're sending a message on our smart phones!That's why many of us now add little pictures to our texts to brighten up someone's mobile screen but we're also using them as a quick way of telling someone how we're feeling.Yes,emojis have become a vital tool for communication.Let's clear one thing up first—there are emojis and emoticons(表情符号). The latter are little images made using normal keys on a keyboard. For example, a colon, two dots, followed by the curved line of a close brackets is a “smiley face”.The emoji was first invented in Japan in the late 1990s and the word “emoji” comes from the Japanese words for “picture” and “character”. The number of different images has dramatically increased since then and now we have a picture for every mood or situation.So now we have the option to give this new creation the visual “thumbs-up” but have you thought why we've become so addicted to using emojis? Professor Vyv Evans, has written a book called The Emoji Code——he says, “What we're finding is that digital communication is taking over from certain aspects of face-to-face interaction…One of the reasons emojis are so interesting is that they really do enable us to express our emtional selves much more effectively.”Another advantage of emojis is that they are an international language—they don't use words but tell a message in pictorial form so they can be easily interpreted whatever your native language is.Emojis are a good way for showing empathy—they are a virtual hug or a flirtatious tease. But as linguist Neil Cohn says, “To many, emojis are an exciting evolution of the way wecommunicate; to others, they are linguistic(语言学的) Armageddon.” It does show there is a lot more to our communication than words alone but does this mean the decline in traditional writing?语篇导读本文介绍了表情包的来源以及人们热衷于在交流中使用表情包的原因。
高中北师大版英语选修七同步检测:Unit 19 Language19-3含答案
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03课后演练提能[夯实·基础知识]Ⅰ. 单词拼写1. I s________ believe that this is the right decision.答案:sincerely2. Under the new r________ spending on office equipment will be strictly controlled.答案:regulation3. The man stood as a c________ in the local elections.答案:candidate4. She is working hard to gain a high level of c________ in French.答案:certificate5. There were more than 2,000 a________ for the job.答案:applicants6. This book c________ a lot of questions about pollution.答案:covers7. What he said at the meeting really e________ me.答案:embarrassed8. I find it hard to f________ on my study when I'm hungry.答案:focus9. ________(关紧,扣紧) the gates so that they won't blow open.答案:Fasten10. Kate will be here on time—she's always ________(准时的).答案:punctualⅡ. 选词填空答案:came across2.I think what hasn't changed,________,is dedication.答案:to put it simply3. He can come with us,________ he pays for his own meals.答案:provided that4. The course ________ English language skills used in business meetings and in areas such as marketing and advertising.答案:focuses on5. The traffic accident was ________ his carelessness.答案:due toⅢ. 同义句转换1.There are various plants and animals in this area.→There are ________ plants and animals in this area.答案:varieties of2.If you can finish the work ahead of time, we will go there tomorrow.→If you can finish the work ________,we will go there tomorrow.答案:in advance3.Y ou can go out to play on condition that you come back before nine o'clock.→You can go out to play ________ you come back before nine o'clock.答案:provided that4.People hope that the new factory will be built in this town.→______________ the new factory will be built in this town.答案:It is hoped that5.It is said that the thief has been caught by the police.→The thief is said ________________ by the police.答案:to have been caughtⅣ.单句语法填空(不多于3个单词)1. It was not until he came back from Africa that year ________ he met the girl he would like to marry.答案:that该句是not until 的强调句型结构,“It was not until...that...”。
北师大版英语选修7Unit19Language同步练习Word版含答案
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课时作业 (二十四 )题型组合练——练速度(阅读理解+阅读七选五+语法填空)限时:35分钟Ⅰ.阅读理解ABookstores are a traveller ' s best friend: often host readings and other cultural bookstores. they provide convenient shelter in bad weather, and they events. Here is a look at the world ' s six greatestAdrian Harrington —since 1971. Rare books; rare first editions; leather-bound sets and general antiques (古玩 ).Address:64A Kensington Church Street, Kensington, London ,England, U .K. Another Country —Kreuzberg, Berlin, Country is an English language second-hand bookshop which is mostly used as a library. They have about 20, 000 books that you can buy or borrow. Some regular events are held at the shop, such as readings, cultural events, social evenings and film nights.Atlantis Books —Oía, Santorini, Greece. Atlantis Books is an independent bookshop on the island of Santorini, Greece ,founded in 2004 by a group of friends from Cyprus, England,and the United States. Throughout the year it has hosted literary festivals, film screenings, book readings, and good old- fashioned dance parties.Bart ' s Books —Ojai, California, U. S.A. “ TheWorld ' s Greatest Outdoor Bookstore ,” a bookstore founded by Richard Bartinsdale in 1964. Shelves of books face the street, and regular customers are asked to drop coins into the door' s coin box to pay for any books they take whenever the store is closed.10 Corso Como — Milan, Italy. Extensive selection of publication on art, architecture, design, graphics and fashion , along with a strong emphasis on photography. It was founded in 1990in Milan, Italy, by Carla Sozzani.The Bookworm —A bookshop, library, bar, restaurant and event space, now with five locations in three cities in China — Beijing, Suzhou and Chengdu. The interconnecting rooms with floor- to-ceiling books on every wall are light and airy in summer, yet warm and comfortable in winter.1. Which of the following bookstores has the longest history?A . Adrian Harrington.B. Atlantis Books.C. Bart' s Books.D. 10 Corso Como.分析:细节理解题。
北师大高中英语选修七同步作业:nit New Frontier课后限时作业8 含答案
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课后限时作业(八)[语言知识练]Ⅰ.单句语法填空1.Forecasters say the storms may not be as bad as they __initially__(initial) predicted.2.She loves __exploration__(explore) in particular,so she goes hiking every summer.3.The sound of the cheering faded __out__.4.The police set __up__ roadblocks on routes out of the city.5.With so many good classmates __helping__(help) me,I'm sure I'll improve my English this term.6.She had asked the government for __permission__(permit) to move the books to a safe place,but they refused.7.Jim's father didn't permit him __to join__(join) the school football team.8.Our teacher doesn't permit boys __to wear__(wear) long hair at school.9.The number of homeless people __has increased__(increase) dramatically recently.10.Buses pick up and drop __off__ people at different places on the route.[高考题型练]Ⅱ.阅读理解You are given many opportunities in life to choose to be a victim or a creator. When you choose to be a victim, the world is a cold and difficult place. “They” did things to you which caus ed all of your pain and suffering. “They” are wrong and bad, and life is terrible as long as “they” are around. Or you may blame yourself for all your problems, thus internalizing(内化) your victimization. The truth is, your life is likely to stay that way as long as you feel a need to blame yourself or others.Those who choose to be creators look at life quite differently. They know there are individuals who might like to control their lives, but they don't let this get in the way. They know they have their weaknesses, yet they don't blame themselves when they fail. Whatever happens, they have choice in the matter. They believe their dance with each sacred(神圣的) moment of life is a gift and that storms are a natural part of life which can bring the rain needed for emotional and spiritual growth.Victims and creators live in the same physical world and deal with many of the same physical realities, yet their experience of life is worlds apart (天壤之别). Victims relish(沉溺) in anger, guilt, and other emotions that cause others—and even themselves—to feel like victims, too. Creators consciously choose love, inspiration, and other qualities which inspire not only themselves, but all around them. Both victims and creators always have choice to determine the direction of their lives.In reality, all of us play the victim or the creator at various points in our lives. One person, on losing a job or a special relationship, may feel as if it is the end of the world and sink into terriblesuffering for months, years, or even a lifetime. Another with the same experience may choose to first experience the grief, then accept the loss and soon move on to be a powerful creative force in his life.In every moment and every circumstance, you can choose to have a fuller, richer life by setting a clear intention to transform the victim within, and by inviting into your life the powerful creator that you are.语篇导读本文为议论文。
新培优同步北师大英语选修七优练:nit Langage Awarene 含答案
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Language Awareness6,Culture Corner andBulletin Board课时过关·即时巩固一、用所给单词或短语的适当形式填空1.We are paid how much work we do.2.The sports meet has been put off the heavy rain.3.I’ll remember what our teacher has said.4.He is always working hard and to succeed.5.He was so careless that he two letters.6.Either she didn’t see me wave to her or she deliberately me.7.This rule does not only apply to seniors,but to the school .8.I find it hard to my studies when I am hungry.二、用适当的情态动词填空1.You have worked hard all day.You be tired.2.—Could I turn the television on?—Yes,you ./No,you .’t3.If that is the case,we as well have a try.4.—Why didn’t you answer my phone call?—Well,I have been sleeping,so I didn’t hear it.5.Mike have found his car,for he came to work by bus this morning.’t6.Candidates remain in their seats until all the papers have been collected.三、七选五阅读理解根据短文内容,从短文后的选项中选出能填入空白处的最佳选项。
北师大高中英语选修七同步作业:nit Hman Biology课后限时作业 含答案
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课后限时作业(九)[语言知识练]Ⅰ.单句语法填空1.The house __was sought__(seek) through but nothing suspicious was found.2.The mother had the baby __crying__(cry) all the morning.3.I swapped my red scarf __for__ her blue one.4.The librarian took a book __at__ random from the shelf.5.The thief broke in,trying to open the safe,but __in__ vain.6.The citizens opposed __building__(build) such a factory in this area.7.I've just come __across__ a beautiful poem in this book.8.Good health is __fundamental__(fundament) if you want to have a long life.9.You needn't worry—he will make __it__.10.Perhaps you should be more tolerant __of__ your little sister.Ⅱ.课文语法填空Athletic performances have 1.__continually__(continue) improved since the first Olympic Games.However,improvements 2.__have begun__(begin) to slow down recently.While 3.__talking__(talk) about breaking records,we come across the issue of performance-enhancing drugs,4.__which__ are originally developed to help people with illnesses,but they are often used by some athletes to perform 5.__better__(well) than usual.6.__In__ other words,doping is a fundamental form of cheating.Unfortunately,it is difficult to catch athletes 7.__using__(use) illegal drugs.The winners have to be tested 8.__while__ other participants are only tested 9.__at__ random.New drugs are developed all the time and drug tests for sporting events are often one step behind.In the future another issue is gene-therapy.Athletes who have their genes 10.__changed__(change) might perform much better in the match.In today's world,if doping and gene-therapy continue to affect the outcomes of major sporting events,the Olympic spirit will have lost its meaning.[高考题型练]Ⅲ.阅读理解A drug used to treat severe bleeding could save thousands of lives for mothers giving birth.A global trial of the drug found it reduced the risk of bleeding deaths during childbirth by nearly one -third.The study involved 20,000 women in 21 countries, mainly in Africa and Asia.The trial was carried out by London's School of Hygiene and Tropical Medicine.The drug is called tranexamic acid (氨甲环酸).It is low-cost and researchers said it does not cause serious side effects for mothers or babies.The drug is used to treat mothers for severe bleeding during childbirth, also known as postpartum hemorrhage (产后出血).It is the leading cause of mothers' death worldwide,according to the World Health Organization.Haleema Shakur is the project director of the trial.She says despite medical advances in many countries, severe bleeding after childbirth remains a big problem in some parts of the world.“It's one of the biggest killers of mothers.In Africa and Asia, about 10 percent of women will end up with severe bleeding.” The drug works by stopping blood clots (血凝块) from breaking down after a mother gives birth.The treatment can prevent the need for doctors to perform surgery to find the source of bleeding.Shakur said the best results were reported when the drug was given to women as soon as possible after childbirth.“The earlier you give it—so within the first three hours of giving birth—the better the effect will be.”The next step will be to get the drug where it is needed and provide training for doctors and nurses on how to use it.During the trial, women were given the drug in a hospital.But researchers are looking for easier ways to administer the drug so it can be more widely used in small clinics and rural areas.语篇导读本文为说明文,介绍了一种能够大大降低产妇产后出血死亡几率的药品——氨甲环酸。
新教材适用2024_2025学年高中英语Unit7ArtSectionⅣ课后习题北师大版必修第三册
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SectionⅣGrammar一、指出下列句子中的名词性从句并注明类型1.That the earth turns around the sun is known to us all.2.Whether the sports will be held as planned depends on the weather.3.What he wants to know is which dress she should buy.4.That was why he didn’t pass the exam.5.He asked me whose handwriting is the best.6.He is pleased with what you have done.7.Whether the plan can be carried out depends on whether the manager will agree to it.8.The truth that the earth is round is known to all.9.I am glad to hear the news that he has been admitted by his dream university.10.I have no idea when he will be back.二、单句语法填空1.When you get there,you can take you like.2.It worried the woman a bit her hair was turning grey.3.How we understand things has a lot to do with we feel.4.He was fired from the factory.That was he was too lazy.5.To my surprise,the small village is no longer it used to be.6.Her words made me recognise silly mistakes I had made.7.The most important thing is you should put your heart into it.8.It remains to be seen the old couple will enjoy their journey.9. the young man had resigned from the company made us surprised.10.His suggestion was we should have an assistant.There is too much work to do.三、阅读理解ASince 1904,Ravinia Festival has been Chicago’s “sound of summer”,a place where you can meet up with your friends,have a wonderful time and hear some of the greatest music in the world.We’ve got stars on the stage and stars in the sky,and it’s all within your reach.But there’s more to Ravinia than merely the world’s greatest music.For as many people who walk through Ravinia’s gate each summer,there are just as many ways to enjoy what we call “The Ravinia Experience”.For some,it all starts with a picnic picked up along the way,greeting your friends at your favourite spot on the lawn.RaviniaDiningWhether you want to add a bottle of wine and some cheese to your picnic on the lawn or sit down to a meal,Ravinia has a wide variety of choices and we welcome you to explore them all.RaviniaGiftsThere are two locations for your shopping convenience!Visit our Main Store in the Dining Pavilion.There you will find different CDs,jewelry,games and more.Or fill your more immediate needs at the shop located behind the Martin Theatre.HowtoBuyTicketsOnlineTickets for the season begin to go on sale online on April 25.Ravinia Festival’s online ticketing makes ordering tickets for your favourite performances easier than ever before.It is available 24 hours a day on the website.Click on the date of your choice to select an event,select your seats and add it to your ticket order.Once you have selected all the events you wish to attend,simply enter your payment information and submit your order.ByPhonePhone sales for the season start on May 22.Order tickets by phone by calling 847-266-5100.Monday—Friday:10:00 am—5:00 pmSaturday/Sunday:Closed1.It can be inferred that Ravinia Festival is .A.a yearly music festivalB.a celebration of old folk musicC.a big food party with music performancesD.a traditional holiday with music and food2.If you buy tickets online for the festival,you can .A.choose where to sitB.get some discountC.decide the time of any performanceD.change the date of an event after payment3.If you want to experience Ravinia Festival,you can .A.go to Chicago in AprilB.make a call at weekendsC.go to Chicago in the summerD.visit the website before AprilBThe painter Georgia O’Keeffe was born in Wisconsin in 1887 and grew up on her family’s farm.At seventeen she decided to be an artist and left the farm for schools in Chicago and New York,but she never lost her contact with the land.Like mostpainters,O’Keeffe painted the things that were most important to her,and nearly all her works are simplified portrayals (描绘) of nature.O’Keeffe became famous when her paintings were discovered and exhibited in New York by the photographer Alfred Stieglitz,whom she married in 1924.During a visit to New Mexico in 1929,O’Keeffe was so moved by the bleak(荒芜的) landscape and broad skies of the western desert that she began to paint its images.Cows’ skulls andother bleached bones found in the desert figured prominently in her paintings.Whenher husband died in 1946,she moved to New Mexico permanently and used the horizonlines of the desert,colourful flowers,rocks,barren hills,and the sky as subjects for her paintings.Although O’Keeffe painted her best-known works in the 1920s,1930s and 1940s,she continued to produce tributes to the western desert until her death in 1986.O’Keeffe is widely considered to have been a pioneering American modernist painter.While most early modern American artists were strongly influenced by European art,O’Keeffe’s position was more independent.She created her own vision andpreferred to view her painting as a private effort.Almost from the beginning,her work was more identifiably(可识别地) American than other painters in its special treatment of colour,light,space and natural forms.4.Alfred Stieglitz .A.was a film directorB.married O’Keeffe i n 1924C.died in 1986D.became famous when his paintings were exhibited in New York5.Which of the following is most similar to O’Keeffe’s relationship with nature?A.A photographer’s relationship with a model.B.A writer’s relationship with a publisher.C.A student’s relationship with a book.D.A carpenter’s relationship with a hammer.6.Which of the following is NOT mentioned as an influence on O’Keeffe’s paintings?A.Her life in the countryside.B.Her life in the West.C.The works of European artists.D.The appearance of the natural landscape.7.The main idea of this passage is that .A.O’Keeffe was a different modern American painterB.O’Keeffe was the best painter of her generationC.O’Keeffe liked to paint what was familiar to herD.O’Keeffe used c olours and shapes that are too simple四、七选五阅读理解Are you afraid of failure?However,only by overcoming fear of failure can weachieve success in life.Here are some tips on how to remove fear and focus on success: Understand that at times you make mistakes. 1 Before any of us learned how to walk,we crawled(爬行).We got up,fell down and got up again.We continued the process until we could walk quite well.2 Instead,view it as a stepping stone.Make certain that you learn fromfailure and then use what you have learned in future situations.Refuse to consider failure a character weakness.Doing so will only prevent you from achieving future success.Remember that failure has produced many successes. 3 Albert Einstein’steacher told him to quit school and said,“Einstein,you will never achieveanything!”Beethoven’s music teacher said he was hopeless to become acomposer.Henry Ford’s first two car companies failed.Appreciate the benefits of failure.Ralph Waldo Emerson said,“All life is an experiment.The more experiments you try,the better you make.”It’s hardly possiblefor someone to achieve success for the first time he tries. 4Believe in yourself.Rather than give up when things don’t work out,take it as a chance to build perseverance(坚持不懈).Remind yourself how many failures became successful because they wouldn’t give up. 5A.Don’t take failure personally.B.Work hard and try to avoid failure.C.Realise that you are human and humans make mistakes.D.Believe that you’ve got what it takes to work through the d ifficult times.E.Making the same mistake again can lead to the failure in your future work.F.Consider how many people in history had failed before they became successful.G.In other words,your chances of getting things right on the first try are little.五、语篇填空Ludwig van Beethoven was a German composer,who is regarded as one of the greatest composers in the history of music.In his 1. (twenty),he had been very famous for his skills on the piano,but then he began to lose his hearing.Beethoven thought about giving up,but in the end he continued to write music.2.(inspire) by his struggles with deafness,the composer produced some amazing pieces.He proceeded with the composition until his death in 1827,3. (write) more than 130 musical works,including his Symphony No.9 in D minor,which took him several years and 4. (complete) in 1824.Before the 5. (perform),the backstage atmosphere at a very famous theatre in Vienna was tense.Beethoven was afraid that the performance would be a disaster.Happily,the audience did not hesitate 6. (applaud) loudly as the famous composer walked out onto the stage 7. the first time in 12 years.As the final,joyous note 8. (signal) the end of the symphony,the audience jumped to their feet,clapping,cheering and waving their hats.But Beethoven continued conducting,his head buried in the score.It was not until Caroline Unger,one of the singers,took his arm and turned him to face the audience 9. the great man realised his symphony was 10. success.答案:一、1.That the earth turns around the sun 主语从句2.Whether the sports will be held as planned 主语从句3.What he wants to know 主语从句;which dress she should buy 表语从句4.why he didn’t pass the exam表语从句5.whose handwriting is the best 宾语从句6.what you have done 宾语从句7.Whether the plan can be carried out 主语从句;whether the manager will agree to it 宾语从句8.that the earth is round 同位语从句9.that he has been admitted by his dream university 同位语从句10.when he will be back 同位语从句二、1.whatever 2.that 3.what 4.because 5.what 6.what 7.that 8.whether9.That10.that三、1.A 推理推断题。
北师大高中英语选修七同步作业:nit New Frontier课后限时作业6 含答案
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课后限时作业(六)[语言知识练]Ⅰ.单句语法填空1.I __was coming__(come) to see you when I ran into my best friend, Tom.2.__Looking__(look) out of the window, I saw some students playing there.3.He went out and left the baby __sleeping__(sleep) in bed.4.Without solar radiation, animals and plants __would die__(die).5.He spent all the day __wrestling__(wrestle) with the difficult problem.6.It is proved that the medicine will be a cure __for__ lung cancer.7.In our class there are 46 students,half of __whom__ wear glasses.8.There are two hundred boys __ranging__(range) from seven to fourteen in age.9.He asked for a __donation__(donate) but went away empty-handed.10.Frank's dream was to have his own shop __in__ which to produce the workings of his own hands.Ⅱ.课文语法填空PIONEERS OF SCIENCEIf you had to choose the single most important discovery of the 20th century,you would have a real dilemma on your hands.It is possible 1.__to single__(single) out a few pioneers of the 20th century.One of the 20th century's premier scientists 2.__was__(be) Albert Einstein.In the summer of 1905,this outspoken young man was rocking his one—year—old baby 3.__when__ he was suddenly inspired.“E=mc2” was born.4.__Using__(use) the most high—powered telescope of the time,Edwin Hubble discovered small areas of mist which were in fact galaxies like our own.Alexander Fleming saw a blue mould in the dish around 5.__which__ the bacteria had been destroyed.This blue mould was in fact the natural form of penicillin.During the Second World War,the US Navy was looking for ways of 6.__improving__(improve) the accuracy of their missiles.The navy turned to Eckert,an 7.__engineer__(engineering),and Mauchly,a physicist,to wrestle with the problem and produce 8.__a__ machine which was the world's first computer to do the job.Without the breakthroughs of these pioneers,the world 9.__as__ we know it today 10.__would have been__(be) a completely different place.[高考题型练]Ⅲ.阅读理解Taking a shower is relaxing. You can hum(哼) a song, daydream or think about nothing, leaving the real world behind you. But did you know that showering can also benefit your mind?A research by Scott Barry Kaufman, a psychologist from Yale University in the U.S. interviewed over 3,000 people around the world. It turned out that nearly two-thirds of the interviewees said they had experienced new ideas in the shower and were more likely to have them in the shower than at work.So why does a simple shower have such magic power? Science can explain it.Showering can help to raise our level of dopamine(多巴胺), a hormone(荷尔蒙) closely related to our creativity. “People vary in terms of their level of creativity according to the activity of dopamine,” explained Alice Flaherty, a famous American neuroscientist. “Taking a warm shower can make us feel relaxed and therefore make the dopamine level rise and bring ‘Aha!’moment to us.”Besides the chemical changes, showering may give you a break from what you feel you have been stuck with. Especially when you have thought hard all day about a problem, jumping into the shower can keep you from the outside world so that you can focus on your inner feelings and memories. In this way, according to American psychologist Shelley H. Carson, author of Your Creati v e Brain, “a showering hour may turn into an ‘incubation(孵化) p eriod’ for your ideas.”Compared with sitting in front of a computer, taking a shower is something we do less frequently in our daily life. When showering, we get a fresh experience with the change of location, temperature and humidity(湿度). “New and unexpected experiences can lead to positive changes in thinking,” explained Kaufman. “Getting off the couch and jumping in the shower may create a distance and force you to think from a new point of view.”Showering allows us to enjoy the creative juices of our minds, but it needn't just be in the bathroom where you get your inspiration. For instance, Gertrude Stein, a female American writer and poet, got new ideas by driving around a farm and stopping at different cows until she found the one that most inspired her. So try to create your own way to free your mind, whether it's a walk near the ocean, a country drive or reading a book at home.语篇导读本文为说明文。
高中英语限时训练3 北师大版选修7-北师大版高二选修7英语试题
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限时训练3第一节〔共8题;每一小题2分,总分为16分〕阅读如下短文,从每题所给的四个选项〔A、B、C和D〕中,选出最优选项,并在答题卡上将该项涂黑。
ADiary of a Do-it-Yourself BookThis book based on Greg Hefley's own "diary" lets kids express themselves in an exciting way.In the book, kids will be asked: What was the best dream you have ever had? The worst thing you have ever eaten? The best secret you have ever heard? This Do-It-Yourself Book is unique and special because it has blank pages for readers to write their own stories and keep their own diaries.Author: Jeff KinneyList Price: $10.95Price: $6.57 Buy it on Amazon.com.You save: $4.38〔40%〕Train to SomewhereMarianne, heading west with fourteen other children on a train, is sure her mother will show up at one of the stations along the way. Stop after stop goes by, and there is no sign of her mother in the crowds that come to look over the children. No one shows any interest in adopting shy Marianne, either. But that is all right. She has to be free for her mother to claim her. Then the train stopped at its final stop, a town called Somewhere...Author: Eve BuntingList Price: $6.95Price: $6.95 Buy it on Amazon.com.You save: $0.00〔0%〕Chinese Children's Favorite StoriesThis volume of beloved Chinese stories contains a delightful selection from the store of Chinese legend. Discover many delightful animal characters as well as Change and Guan Yin. Retold for an international audience, the stories with beautiful pictures will give children aged six to ten in other countries a chance to learn about both the tradition and culture of China.Author: Mingmei YipList Price: $18.95Price: $12.89 Buy it on Amazon.com.You save: $6.06〔32%〕The Way Science WorksThe perfect introduction to show how science explains the world around us! Eye-opening experiments and extraordinary photography bring science to life.Discover science in action from the principles that explain everyday facts to the theories behind the technology in today's fast-moving world. Full of facts about famous scientists, technology news and more.Author: Robin KerrodList Price: $24.99Price: $16.49 Buy it on Amazon.com.You save: $8.50〔34%〕1.Diary of a Do-It-Yourself Book is different from other books because you can. A.ask the author questions B.have a chance to see beautiful photos C.write your own stories in the book D.read many interesting stories about the author2.Amazon gives No discount on .A.Diary of a Do-It-Yourself Book B.The Way Science WorksC.Chinese Children's Favorite Stories D.Train to Somewhere3.Chinese Children's Favorite Stories is written for____,A.foreign children aged 6 to 10 B.teenagers in other countries C.junior students in other countries D.Chinese children aged 6 to 10 4.Whose book would you like to read if you are interested in science and technology? A.Jeff Kinney's. B.Eve Bunting's.C.Mingmei Yip's. D.Robin Kerrod's.BIn today's world of smart phones and notebook computers, most people have at least one time-telling thing with them. Since these digital products are so common, is time running out for the 500-year-old watch? According to some consumers, the answer is yes. New Jersey teenager Charlie Wollman sa ys a watch is “an extra piece of equipment with no necessary function.〞 Many young adults think so and use their smart phones to tell time. It is said that fewer young people wear watches today than ten years ago. As a result, some people say that the watch industry is at a crossroads.However, watchmakers optimistically say that watches redeem popularity when consumers reach their 20s and 30s. By then, they are willing to spend money on a quality watch that doesn’t just keep good time. Fifty years ago, watchmakers took pride in their products’ accuracy. But in recent years, the watch industry has changed itself into an accessory business. And today, the image a watch communicates has become more important than the time it tells.“Complications〞— features that go beyond simple timekeeping — are an important part of a watch’s image. Today’s watches offer lots of features that meet almost any personality. These features include compasses, USB drivers, and even other functions that measure the effectiveness of golf swings!Creativity also plays a key role in designing today’s watches. For example, Japanese watchmaker Tokyoflash makes watches that don’t even look like watches. The company’s popular Shinshoku model uses different color lights to tell time.It looksmore like a fashionable bracelet than a watch.Whether a watch communicates fashion sense, creative talent of a love sports, consumers want their watches to stand out. Nowadays, everyone has the same kind of gadget in their bags, so people wa nt to make a statement with what’ s on their wrists. Will this interest in wrist fashion last? Only time will tell!5. What can we know from the first paragraph?A. As most people see, watches are out of fashion.B. The watch industry will close down sooner or later.C. Some people feel that watches have been of no use.D. There are so many choices of watches for teenagers today.6. The underlined word “redeem〞 in Paragraph 2 can be replaced by _________.A. enlargeB. regainC. changeD. win7. Japanese watchmaker Tokyoflash is mentioned in Paragraph 4 to _________.A. tell that today’s watches need more imaginationB. show why Shinshoku watches are popularC. advertise Shinshoku watches made by TokyoflashD. make a comparison between watches and bracelets8. What might be the most suitable title for the passage?A. Japanese Watches Stand OutB. Watches Tell More Than TimeC. Watch Industry Is in a Bad SituationD. Watches Are Becoming Less Popular 第二节书面表达〔总分为25分〕全球气候不断变暖,环境污染日益严重,越来越深地影响人们的生活。
北师大高中英语选修七同步作业:nit New Frontier课后限时作业 含答案
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课后限时作业(七)[语言知识练]Ⅰ.单句语法填空1.If weather __permits__(permit), I will go for an outing.2.The young man __declared__(declare) that he had nothing to do with the case.3.Life is tough in the city. In order to lose their __pressure__(press), some people drink alcohol.4.The __settlers__(settle) are living a happy life on the island now.5.Look! Our apples have __ripened__(ripe); you can have one.6.The car accident left her with a __permanent__(permanence) scar.7.James started an engineering degree but dropped __out__ after only a year.8.There are hundreds of __poisonous__(poison) spiders and snakes here.9.With the crowds __cheering__(cheer), they drove to the palace.10.The fact that many species are dying out results __from__ more and more noise pollution.[高考题型练]Ⅱ.阅读理解Leon McCarthy, 12, was born without fingers on his left hand.That didn't stop him from being able to do many tasks.But Leon could not grasp more than one object at a time.So Leon's father, Paul, created a prosthesis(假肢), using a 3D printer.Now Leon has fingers that can open and close.“It was a do-it-yourself, father-and-son adventure,” says Paul.When Leon was a baby, his doctor advised his parents not to give him a prosthetic hand until he was in his early teens.“The doctor said Leon should first learn to get full use of the hand he was born with,” says Paul.As Leon got older, his father looked into buying a prosthetic hand, which can cost as much as $30,000.Paul found a more affordable solution.One day, Paul discovered a video on the Internet about Robohand, a prosthesis created with a 3D printer.He downloaded the free instructions and called Robohand's creators for advice.They told him all he needed was a 3D printer—which costs around $2,000—and some materials.Luckily, Leon's school had recently purchased a 3D printer and it offered to help Paul build the hand for Leon.“We used a soccer shin guard (护胫), a cardboard, and a tape.They cost about $10,” says Paul.With his new hand, Leon can do things better.“I can help my mom more, because now I can carry two grocery bags,” he says.Leon's father has already built several hands for Leon.Leon helps design each one.He says there's one thing in particular that he wants to do with a future prosthesis.“The goal,” he says, “is to be able to tie my shoelaces(鞋带).”语篇导读本文为记叙文,讲述了一位父亲用3D打印技术为儿子制作假肢的故事。
北师大高中英语选修七同步作业:nit Langage课后限时作业2 含答案
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课后限时作业(二)[语言知识练]Ⅰ.单句语法填空1.__Congratulations__(congratulate) on your exam results!Go ahead!2.The __negotiation__(negotiate) ended up in failure.3.Some of his __relatives__(relative) live in Canada and they come to visit him every year.4.The report stated __explicitly__(explicit) that the system was to blame.5.He __resembles__(resemble) his father very much in character.6.The key __to__ success is hard work.7.You have to keep __to__ the speed limit.8.He is an experienced driver and he is used to __driving__(drive) in all kinds of weather.9.It is rather difficult to make friends with him,but his friendship,once __gained__(gain),is stronger than any other's.10.The branch __bent__(bend) in the strong wind blocked our way.Ⅱ.课文语法填空Body language uses a set of 1.__gestures__(gesture), facial 2.__expressions__(express) and body 3.__movements__(move) to communicate attitudes and feelings.It is extremely important if people of different cultures don't share 4.__a__ common spoken language.If people don't understand others' body language, it can 5.__be misunderstood__(misunderstand). Hundreds of gestures that have different meanings have been studied.Not knowing what a particular gesture means in different countries can be 6.__confusing__(confuse). However, 7.__regardless__ of the differences of body language in different cultures, there is one form of body language that enjoys universal 8.__recognition__(recognize) — the smile.[高考题型练]Ⅲ.阅读理解French writer Frantz Fanon once said, “To speak a language is to take on a world, a culture.” Since the world changes every day, so does our language.More than 300 new words and phrases have recently made it into the Oxford Dictionary Online, and in one way or another they are all reflections of today's changing world.After a year that was politically unstable, it's not hard to understand the fact that people's political views are one of the main drives of our expanding vocabulary. One example is “clicktivism”,a compound of “click” and “activism”. It refers to “armchair activists(键盘侠)”—people who support a political or social cause, but only show their support from behind a computer or smartphone. And “otherize” is a verb for “other” that means to keep a distance from people who are different from ourselves—whether that be different skin color, religious belief or sexuality.“We had all the words around ‘Brexit(英国脱欧)’in the last update and we are nowstarting to see all the words around ‘Trump’ coming into the dictionary,” Angus Stevenson, Oxford Dictionary Online's head of content development, told The Guardian.Lifestyle is also changing our language. For example, “fitspiration”—a compound of “fit” and “inspiration”—refers to a person or thing that encourages one to exercise and stay fit and healthy.The phrase “climate refugee”—someone who is forced to leave their home due to climate change—reflects people's concern for the environment.According to Stevenson, social media was the main source for the new expressions. “People feel much freer to coin their own words these days,” he said.But still, not all newly-invented words get the chance to make their way into a mainstream dictionary. If you want to create your own hit words, Stevenson's suggestion is that you should not only make sure that they are expressive and meaningful, but also have an attractive sound so that people will enjoy saying them out loud.语篇导读《牛津在线词典》最近收录了300多个单词和短语,本文介绍了这些单词和短语的来源、特点等。
北师大高中英语选修七同步作业:nit Langage课后限时作业1 含答案
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课后限时作业(一)[语言知识练]Ⅰ.单句语法填空1.We plan to finish the __adjustment__(adjust) of the equipment before Sunday.2.We guarantee __to behave__(behave) ourselves tomorrow.3.The __surrounding__(surround) villages have been absorbed by the growing city.4.These remarks of yours are of great __value__(valuable) to us.5.The manager put up a notice to keep the staff __informed__(inform) of what to do this week.6.He fastened an __announcement__(announce) to the notice board.7.They questioned the __accuracy__(accurate) of the information in the file.8.She's the sort of person who stands __out__ in a crowd.9.She stayed in London for a year,so she can speak English __fluently__(fluent).10.The news __that__ we have won the game is exciting.Ⅱ.课文语法填空Many people predicted in the 1700s that English 1.__would be__(be) the global language one day,which 2.__proved__(prove) to be the case.With the growing international companies and the great advances in communications,more and more people tend to learn English as the second language.And the fact is 3.__that__ speaking more than one language makes you 4.__outstanding__(outstand).People have realized that in the 5.__absence__(absent)of the native language environment,people can not learn it well.In other words,you have to 6.__be surrounded__(surround) by the language.Sadly,most of the English learners can not live in the native country, 7.__which__ means we can only depend on our school resources.So teachers have to guarantee an adequate amount of input in English,which can be conveyed 8.__to__ students through various mediums.Since extra—curricula work may accelerate language learning,here are some suggestions to English learners:setting 9.__achievable__(achieve) targets;listening English songs;watching English DVDs;studying with your friends;and rewarding yourself.Please remember 10.__to keep__(keep) dedicated.[高考题型练]Ⅲ.阅读理解The number of people in my house has grown from six to seven recently. A young man from Spain has come to spend six weeks with us. He is no ordinary young man; he's actually my second cousin, and is here to spend time with this side of the family, and of course, to learn English.Thankfully, he is the same age as my youngest son, and is very fun-loving. I'm sure that he will pick up a lot of English while he plays with my kids. That was actually how I picked up a lot of Spanish when I was a child. My mother would take me to Mallorca in Spain, to spend about amonth in the summers. Because children play so much, and are less inhibited(羞涩的) than adults, they absorb language like little sponges(海绵). Well, that's what happened to me, and I'm very thankful for the experience.So far, we have taken my cousin to Seattle for a couple of days, and down to a local river to look for gold. Today, I plan on taking him to the museum in the town of Cashmere which is excellent. He will get his first view of native American life, and be able to walk through some of the original pioneer houses of this area. Like most boys who are thirteen, he is very curious and constantly asks questions. Of course, I don't always have the answers! Coming to the U.S. is a big step for him, especially being so young. Mind you, he is a world traveller. His mother is an air hostess and is able to get cheap airline tickets, so they travel internationally all the time. So he is extremely comfortable in airports, and understands the routines of getting from one place to another. I hope that his being here will encourage my children to spend time in Spain, and also become international travelers.语篇导读本文为记叙文。
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课后限时作业(三)[语言知识练]Ⅰ.单句语法填空1.The job __applicant__(apply) said he wouldn't mind working overtime.2.__Various__(vary) people whom we weren't expecting turned up at the meeting.3.She had to leave off if she couldn't be __competent__(competence) for the job.4.He dealt with an __embarrassing__(embarrass) situation in a skillful way.5.This article begins with a summary of the studies on __global__(globe)warming.6.The camera is so expensive __that__ I can't afford it.7.As a staff,you should focus your attention __on__ your work.8.We won't go on a picnic, provided that it __rains__(rain).9.They managed to sign __up__ all the best performers.10.In addition __to__ shadow boxing,I take up cycling in my spare time.[高考题型练]Ⅱ.阅读理解Where do you keep ice? In the freezer, of course. That's what scientists might have thought when they were looking for a safe place to store ice from mountain glaciers(冰川) from around the world. They've decided to store ice in Antarctica(南极) because global warming is causing some of the glaciers in places like the Alps to melt.Jerome Chappellaz of the French National Center for Scientific Research is involved in creating an ice vault(地下室) there. He says, “We are probably the only scientific community whose sample(样本) is in danger of disappearing from the face of the planet. If you work on rocks or on tree rings, the raw material is still here and will be for many centuries.”And why do scientists need to study ice from the Alps, for example? Ice formed on the top of a mountain is made of snow accumulated over thousands of years. Trapped air bubbles(气泡) contain samples of the atmosphere that existed when that ice was formed. Ice is a record of climate. By examining ice, we know carbon dioxide in the atmosphere is higher now than in the last three million years. Researchers use this kind of data to build computer models and try to predict what might happen in the future.The ice vault will be housed in a snow cave at the Concordia Research Station, which is operated by scientists from France and Italy. The ice samples will be sealed in bags and placed 10 meters below the surface, at a constant temperature of -50℃. This will put the scientists' minds at rest. Losing the ice samples would be a disaster, and nobody wants to see a mine of scientific knowledge lost forever in a giant pool.语篇导读本文为说明文。
科学家们决定在南极建立地下室储存冰雪样本,以帮助了解和预测全球气候变化。
1.What makes Antarctica a safe place to store ice?A.Its large mountains.B.Its function as a freezer.C.The abundant ice samples there.D.The absence of global warming.解析B细节理解题。
根据第一段可知,科学家们把南极当“冰箱”来储存冰雪样本,故选B项。
2.Why does Jerome compare ice with rocks and tree rings?A.To show it's necessary to store ice.B.To show it's more valuable to study ice.C.To show ice disappears very quickly.D.To show ice should be stored at home.解析A推理判断题。
根据第二段Jerome所说的话可知,相较于研究岩石和树木年轮的科学家(他们的样本可以存在数个世纪),研究气候的科学家是唯一面临研究样本会消失的(由于气候变暖,冰川融化)科研群体,重在说明储存冰雪样本的必要性,故选A项。
3.What is the researchers' purpose of studying ice?A.To learn about climate.B.To learn about the Alps.C.To trap air bubbles.D.To reduce carbon dioxide.解析A细节理解题。
根据第三段倒数第二、三句可知,研究冰雪是为了了解气候,故选A项。
4.What do scientists think of storing ice in Antarctica?A.They consider it an easy job.B.They're not optimistic about it.C.They think it will cause disasters.D.They think it's a reliable way.解析D推理判断题。
根据最后一段倒数第二句可知,在南极建地下室储存冰雪样本能够使科学家们安心,由此可推断,这是个可靠的方法,故选D项。
Ⅲ.七选五Most cars have seat belts as part of their equipment. Seat belts protect drivers and passengers in case of accidents.They also reduce the effect of a crash on the body. __1__ Worldwide, the devices have protected up to a million people.America first recognized the invention of an automobile seat belt in 1849. The government gave a patent to an engineer named Edward Claghorn of New York City so that others would not copy his invention of a safety device. __2__ This early version of safety belt was said to include hooks and other attachments for securing the person to a fixed object.Other inventors followed with different versions of the seat belt. __3__ It resulted from the work of a Swedish engineer, Nils Bohlin. His three-point, lap and shoulder seat belt first appeared on cars in Europe 50 years ago.Nils Bohlin recognized that both the upper and lower body needed to be held securely in place. His invention contained a cloth strap(带子) that was placed across the chest and another strap across the hips. __4__V olvo was the first company to offer the modern seat belt to its cars. This company also provided use of Nils Bohlin's design to other car-makers.__5__ He received a gold medal from the Royal Swedish Academy of Engineering Sciences in 1995. He died in Sweden in 2002.A.The Swedish engineer won many honors for his seat belt.B.Claghorn was a promising young engineer with many honors all his life.C.The design joined the straps next to the hip.D.There are many companies adopting Nils Bohlin's invention of the seat belt.E.Safety experts say that seat belts save thousands of lives a year in America alone.F.But more than 100 years passed before the current seat belt was developed.G.Claghorn called his invention a safety belt.语篇导读本文为说明文,主要介绍了汽车安全带的历史。