福师(2020-2021)《大学英语(三)》在线作业二(5)答案

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福师21203班秋《大学英语(2)》在线作业二满分答案

福师21203班秋《大学英语(2)》在线作业二满分答案福师《大学英语（2）》在线作业二一、单选题（共50题，总分100分）五、1.theyoungdriverlookedovertheenginecarefullylestit____________ontheway.a、戈斯夫隆布。

应该走错。

温特隆德。

会出错吗满分：2分2.______________________。

a.ihadclosednosoonerb.nosoonerhadiclosedc.ihadnosoonerclosedd.nosoonericlose满分：2分3.do____________youaretold;otherwiseyouwillbepunished.a、那是B。

什么。

好吧。

谁满分：2分4.和约翰一起，房子里有更多的人。

a.tobeawayb.beenawayc.awayd.wasaway满分：2分5.thequestion____________finally,wewenthome.a、 tobesettledb。

解决C。

已经安顿好了。

稳定的满分：2分6.这名少年犯被释放，条件是他在六个月内不受折磨。

a.found...stayedb.finds...stayc.find...staysd.find...stay满分：2分7.young____________johnwas,hewasabletoswimacrossthechannelwithinminutes.a、 asb。

soc。

深思熟虑。

虽然满分：2分8.它有足够的资金来资助该项目。

a.becollectedb.mustbecollectedc.iscollectedd.canbecollected满分：2分9.thepatientisn'toutofdanger.heis____________thanhowhewasyesterday.a、 nobetterb。

福师《高级英语阅读(二)》在线作业二答卷

18.They are going to have the serviceman ______ an electric fan in the office tomorrow.
A.install
B.to install
C.to be installed
D.installed
答案:A
19.This is not what we asked you to do. You can not get more pay for the ____work.
B.recognized
C.persuaded
D.extended
答案:C
17.Excuse me, sir. Could you please tell me what number I should dial to get the ____.
A.throat
B.verse
C.conductor
答案:D
10.The mad man was put in the softpadded cell lest he ______ himself.
A.injure
B.had injured
C.injured
D.would injure
答案:A
11.To some ____, Mary still does not understand this unit. But she herself does not believe so.
D.behaves
答案:D
3.You have nothing to ______ by refusing to listen to our advice.

福师大学英语作业二

福师《大学英语（1）》在线作业二单选题一、单选题（共50 道试题，共100 分。

）V1. You should go to the grand opening ceremony, ______B______ ?A. aren't youB. shouldn't youC. wouldn't youD. don't you2. A number of paintings in the castle are believed______D______in a fire.A. being destroyedB. having been destroyedC. to be destroyedD. to have been destroyed3. Look, this roof is covered with______B______leaves.A. fallingB. fallenC. fellD. felt4. While he was in prison he was not allowed to _C__ with his family.A. commentB. complainC. communicateD. comprehend5. "I'm sorry to have kept you waiting." "Oh, not at all. I ______A______here onlya few minutes."A. have beenB. had beenC. wasD. will6. Since the cinema was __B_ , I had to go home to watch TV.A. packedB. crowdedC. filled withD. full of7. I'm afraid I can't finish the work ______B______to help me.A. unless you will comeB. unless you comeC. until you will comeD. until you shall come8. They found a pile of gold at the entrance. There was______B______ more inside the cave.A. yetB. stillC. manyD. lot of9. I found __D_ to answer all the questions within the time given.A. no possibilityB. there was impossibilityC. impossibleD. it impossible10. Please let me sit down; I’m _C__.A. worn downB. worn offC. worn outD. worn away11. By the end of 2020 China _____D_______much stronger and richer.A. will becomeB. would becomeC. is becomingD. will have become12. There are many sheep__C__their farm.A. atB. inC. onD. within13. He could do nothing but____________for the bus____A________.A. wait ... to comeB. wait ... comeC. waiting ... comingD. waited ... came14. "Did you enjoy last night's concert?""Yes. Though the last piece_____A_______rather poorly. "A. was playedB. playedC. was playingD. playing15. Intelligent students can always _B__ good solutions to problems.A. carry outB. come up withC. look intoD. catch up with16. ____D________that we went outing.A. The weather so fineB. So fine the weather isC. So the weather was fineD. So fine was the weather17. The bank is reported in the local newspaper_____B_______ in broad daylight yesterday.A. robbedB. to have been robbedC. being robbedD. having been robbed18. It was to save the child_____A_______he got drowned.A. thatB. whenC. butD. while19. It's a fine day. Let's go fishing, ______D______ ?A. won't weB. will weC. don't weD. shall we20. The class _______B_____ over, we had a ____________discussion.A. been ... heatB. being ... heatedC. is ... heatingD. be ... heated21. —What day is today? —___B_____.A. Today is March 25thB. Today is SaturdayC. Today is fineD. Today is cold22. If you have made a decision, please stick ___A____ what you want.A. toB. upC. ofD. for23. Our neighbors will __C_ our house when we are away.A. pay attentionB. look atC. look afterD. care24. There's a man at the reception desk who seems very angry and I think he means______B______trouble.A. makingB. to makeC. to have madeD. having made25. Come and sit down by the fire. Your hand_____C_______.A. feel so coldlyB. is feeling so coldC. feels so coldD. is felt so cold26. He used to have a ___B__________ of stampcollecting but he has given it up.A. habitB. hobbyC. customD. like27. This state _B__ the manufacture and sale of intoxicating liquors.A. forbidsB. prohibitsC. preventsD. discourages28. —Do you think I could borrow your dictionary? —____C_____.A. Yes, you may borrowB. Yes, go onC. Yes, help yourselfD. It doesn't matter29. The storm prevented Betty and Mary _C__ yesterday.A. leaveB. to leaveC. from leavingD. of leaving30. Everything seems all right, ____A________ ?A. doesn't itB. won't itC. hasn't itD. don't they31. She didn't fancy _D__ out alone.A. goB. to goC. of goingD. going32. —Are you getting a new flat this year? —__B__ I can't afford to pay my bills, let alone buy a new flat.A. Without question.B. You must be joking.C. Good idea!D. Are you sure?33. You should make __A_____ your house or flat is secure.A. sureB. certain、C. understandingD. knowledge34. Four hours__C____ too long for him to write the letter.A. hasB. AreC. isD. have35. I've enjoyed_______B_____ to talk with you.A. to be ableB. being ableC. to been ableD. of being able36. The event ____B________ at the time last year.A. happensB. happenedC. is happenedD. was happened37. He is very__B__.He often comes first in shot putting.A. simpleB. strongC. strictD. small38. I suppose you're not serious, ____D________ ?A. don't IB. do IC. aren't youD. are you39. If I had remembered______A______the door, the things would not have been stolen.A. to lockB. lockingC. to have lockedD. having locked40. —Tomorrow is my birthday. —___C_______.A. Oh, I have a good idea.B. I am glad you like it.C. Many happy returns of the day!D. You must be very happy.41. Helen had to shout_____D_______above the sound of the music.A. making herself hearB. to make herself hearC. making herself heardD. to make herself heard42. —You have lovely children. —_______D________.A. No, no, no. They are notB. Oh, no, noC. You're talking too muchD. Thanks43. —May I see the menu, please? I've been waiting an hour already. —_____C____.A. That is the menu, sirB. Yes, please go onC. Here you are, sirD. Of course, sir44. This company was the first_____B_______portable radios as well as cassette tape recorders in the world.A. producingB. to produceC. having produced 、D. produced45. I finally got the job I dreamed about. Never in my life_____D_______so excited.A. did I feelB. I feltC. I had feltD. had I felt46. ____C________ , I found all the seats were taken.A. To enter the classroomB. Entered the classroomC. Entering the classroomD. To be entered the classroom47. ______D______ the matter with the teacher, we had a better understanding about it.A. To discussB. DiscussedC. Being discussedD. Having discussed48. I remember_______C_____him____________the bike needed____________.A. hearing ... saying ... to repairB. to hear ... say ... to repairC. hearing ... say ... repairingD. to hear ... saying ... to be repaired49. I am sorry____C________ written you a letter at the time.A. to have notB. to not haveC. not to haveD. not having50. I can't find my dictionary.I wonder whether Mary_____B_______it now.A. haveB. hasC. is havingD. had。

秋福师《大学英语》在线作业二

.1. The thief took away the woman's wallet without____________.A. being seenB. seeingC. him seeingD. seeing him正确答案：A 满分：2 分2. He thought that ____________.A. the effort doing the job was not worthB. the effort was not worth in doing the jobC. it was not worth the effort doing the jobD. it was not worth the effort by doing the job正确答案：C 满分：2 分3. No sooner____________to bed than he heard a knock at the door.A. had he goneB. he had goneC. did he goD. he went正确答案：A 满分：2 分4. He could do nothing but____________for the bus____________.A. wait ... to comeB. wait ... comeC. waiting ... comingD. waited ... came正确答案：A 满分：2 分5. This new clue _______ the policemen and they were more confused by the murder.A. puzzledB. surprisedC. trappedD. discouraged正确答案：A 满分：2 分6. -It's cold in here. Do you mind if I close the door?-_______.A. With pleasureB. Yes, pleaseC. Of course notD. Thank you正确答案：C 满分：2 分7. The event ____________ at the time last year.A. happensB. happenedC. is happenedD. was happened正确答案：B 满分：2 分8. The little girl must have lain there for a long time,____________ ?A. mustn't sheB. hasn't sheC. wasn't sheD. didn't she正确答案：B 满分：2 分9. The news reporters hurried to the airport, only____________the film stars had left.A. to tellB. to be toldC. tellingD. told正确答案：B 满分：2 分10. I admired my classmate Lisa very much. ______ her prettiness, she was smart and helpful.A. Except forB. But forC. Apart fromD. In spite of正确答案：C 满分：2 分11. ____the teacher____at this college last year? Yes, he did.A. Did, taughtB. Does, teachC. Did, teachD. Is, teaching正确答案：C 满分：2 分12. A party is the____________ activity I want to take part in.A. justB. goodC. mostD. very正确答案：D 满分：2 分13. They will____to Paris next year.A. tripB. getC. visitD. travel正确答案：D 满分：2 分14. This company was the first____________portable radios as well as cassette tape recorders in the world.A. producingB. to produceD. produced正确答案：B 满分：2 分15. Please don't ___ Bobby when he ___ you.A. turn down, turns toB. turn away from, turns intoC. turn off, turns upD. turn out, turns over正确答案：A 满分：2 分16. -Do you mind my smoking here?-_________.A. No, thanks.B. Yes, I do.C. Yes. I'd rather not.D. Good idea.正确答案：B 满分：2 分17. She divided the cake into three pieces and gave her three children ___ a peice.A. everyB. allC. bothD. each正确答案：D 满分：2 分18. Four hours______ too long for him to write the letter.A. hasB. areC. isD. have正确答案：C 满分：2 分19. The _____ of yourself that you see in the mirror is produced by the reflection of light.A. lookB. figureC. imageD. appearance正确答案：C 满分：2 分20. He dropped the ______ and broke it.A. cup of teaB. tea's cupC. cup for teaD. tea cup正确答案：D 满分：2 分21. It ____________ whether he will go on with his study at the university.A. hasn't been decidedB. isn't decidedD. doesn't decide正确答案：A 满分：2 分22. The complicated problem can be solved by the computer within ____________a few seconds.A. evenB. justC. exactD. very正确答案：B 满分：2 分23. I'd like to __________ him to you for the job. He is a very clever and industrious boy.A. referB. suggestC. recommendD. propose正确答案：C 满分：2 分24. He and his family had to ______ on 50$ a week.A. payB. spendC. liveD. exist正确答案：B 满分：2 分25. One____________if one breaks the law.A. will be punishedB. will punishC. is being punishedD. has been punished正确答案：A 满分：2 分26. Such problems ____________ as soon as possible.A. have solvedB. have been solvingC. have to solveD. have to be solved正确答案：D 满分：2 分27. I remember____________him____________the bike needed____________.A. hearing ... saying ... to repairB. to hear ... say ... to repairC. hearing ... say ... repairingD. to hear ... saying ... to be repaired正确答案：C 满分：2 分28. My aunt has lived in New York ______ 1995.A. forB. duringC. inD. since正确答案：D 满分：2 分29. - You should have thanked her before you left.- I meant____________, but when I was leaving I couldn't find her anywhere.A. to doB. toC. doingD. doing so正确答案：B 满分：2 分30. I'd rather have a room of my own, however small it is, than____________a room with someone else.A. to shareB. to have sharedC. shareD. sharing正确答案：C 满分：2 分31. It was to save the child____________he got drowned.A. thatB. whenC. butD. while正确答案：A 满分：2 分32. On the ground ____________ a dead snake.A. did lieB. did layC. laidD. lay正确答案：D 满分：2 分33. This test ___ a number of multiple -choice questions.A. composed ofB. composes inC. consists ofD. consists in正确答案：C 满分：2 分34. This TV program is very good.Everybody in my family ____it.A. to watchB. watchesC. watchsD. watched正确答案：B 满分：2 分35. Jack____________ in the street when I____________on him.A. walked... calledB. was walking ... was callingC. walked ... was callingD. was walking...called正确答案：D 满分：2 分36. Our English professor is very____in using chopsticks.A. skilledB. greatC. likelyD. good正确答案：A 满分：2 分37. She's the only child in her family, but they didn't really _______ her.A. hurtB. damageC. spoilD. harm正确答案：C 满分：2 分38. You should make _______ your house or flat is secure.A. sureB. certainC. understandingD. knowledge正确答案：A 满分：2 分39. Why____ with him? He’ll never change his mind.A. arguedB. argueC. arguingD. to argue正确答案：B 满分：2 分40. I’m going to Xi'an next week. Have you anything ____________to your parents?A. to takeB. to be takenC. to be bought toD. to buy正确答案：B 满分：2 分41. You should go to the grand opening ceremony, ____________ ?A. aren't youB. shouldn't youC. wouldn't youD. don't you正确答案：B 满分：2 分42. There were no tickets _________ for Sunday's performance.A. possibleB. probableC. availableD. feasible正确答案：C 满分：2 分43. -Oh, I'm sorry. But I promise I'll be careful next time.-___________________.A. It's nothing at allB. Oh, never mind. It doesn't matterC. Thank youD. There are no questions正确答案：B 满分：2 分44. As a result of my laziness, I failed____________my work in time.A. and finishedB. to finishC. and finishingD. to finished正确答案：B 满分：2 分45. Please let me sit down; I’m ___.A. worn downB. worn offC. worn outD. worn away正确答案：C 满分：2 分46. The Red Army seized the land and _____ it to the poor peasants.A. attributedB. distributedC. contributedD. assigned正确答案：B 满分：2 分47. I've enjoyed____________ to talk with you.A. to be ableB. being ableC. to been ableD. of being able正确答案：B 满分：2 分48. Robert is said to____________abroad, but I don't know what country he studied in.A. to have studiedB. to studyC. to be studyingD. to have been studying正确答案：A 满分：2 分49. I have no doubt ____ he will overcome all his difficulties．A. whichB. whatC. thatD. if正确答案：C 满分：2 分50. Seeing the police coming, away____________ .A. the thieves ranB. had the thieves runC. ran the thievesD. did the thieves run正确答案：C 满分：2 分。

福师(2020-2021)《大学英语(2)》在线作业二(2)答案

福师（2020-2021）《大学英语（2）》在线作业二注：本科有多套试卷，请核实是否为您所需要资料，本资料只做参考学习使用！！！一、单选题（共50题，100分）1、____________, he slipped through the window.AWith anyone noticingBWith anyone noticedCWithout anyone noticingDWithout nobody noticed提示：认真复习课本知识302，并完成以上题目【参考选择】：C2、The speech____________, a lively discussion started.Ato be deliveredBwas deliveredCbe deliveredDhaving been delivered提示：认真复习课本知识302，并完成以上题目【参考选择】：D3、Intelligent students can always ___ good solutions to problems.Acarry outBcome up withClook intoDcatch up with提示：认真复习课本知识302，并完成以上题目【参考选择】：B4、My friend ____ to visit the Great Wall, too.Adoes not planBplan notCnot plansDplans提示：认真复习课本知识302，并完成以上题目【参考选择】：D5、How beautifully she sings!I have never heard____________.Athe better voiceBa good voiceCthe best voiceDa better voice提示：认真复习课本知识302，并完成以上题目【参考选择】：D。

福师《大学英语(2)》在线作业二

D. could get through
答案:C
满分：2分得分：2
16.—Hurry up please, or I'll be late. —_______
A. Sorry sir, but the traffic is thick now.
B. Well, it's alright, sir.
A. offered
B. recovered
C. received
D. confronted
答案:A
满分：2分得分：2
21.The news____________ to the Great Wall during the summer holidays made us very happy.
A. habit
B. hobby
C. custom
D. like
答案:B
满分：2分得分：2
13.____________he works hard, I don't mind when he finishes the experiment.
A. As soon as
B. As well as
A. what we would go
B. how we would go
C. that we would go
D. where we would go
答案:C
满分：2分得分：2
22.All things____________, the planned trip will have to be called off.
A. considering
B. be considered

福建师范大学奥鹏福师《大学英语(1)》在线作业二-试题标准答案

【选项】：
A being destroyed
B having been destroyed
C to be destroyed
D to have been destroyed
【答案】：D
17. I am sorry____________ written you a letter at the time.
C consists of
D consists in
【答案】：C
19. The event ____________ at the time last year.
【选项】：
A happens
B happened
C is happened
D was happened
【答案】：B
20. I have no doubt ____ he will overcome all his difficulties．
【选项】：
A to have not
B to not have
C not to have
D not having
【答案】：C
18. This test ___ a number of multiple -choice questions.
【选项】：
A composed of
B composes in
【选项】：
A hurted... was fixing
B hurts... is fixing
C hurt... fixed
D hurt ... was fixing
【答案】：D
4. We all know knowledge begins ___ practice.

福师《大学英语2》在线作业二满分答案

福师《大学英语(2)》在线作业二满分作业及答案一、单选题（共 50 道试题，共 100 分。

）V1. Either John or his friends ______A______to blame for the bad results.A. areB. isC. wasD. has been满分：2 分2. Never hesitate to ask about _______B_____.A. that you don't understandB. what you don't understandC. which you don't understandD. what don't you understand满分：2 分3. This western restaurant is superior_____B_______the one we went to last week.A. thanB. toC. asD. for满分：2 分4. The crime was discovered till 48 hours later,_______A_____gave the criminal plenty of time to get away.A. whichB. thatC. soD. what满分：2 分5. Of the two cups, he bought_______A_____one.A. the smallerB. the smallestC. smallD. smaller满分：2 分6. Economics, several courses of which I have taken thus far, ______B______to be difficult but useful for almost all students.A. proveB. provesC. have been provedD. are proved满分：2 分7. I was sure ______B______I would overcome all these difficulties.A. whatB. thatC. whichD. whether满分：2 分8. When spring comes, it gets ______C______.A. warm and warmB. warm and warmerC. warmer and warmerD. more and more warm满分：2 分9. Liu Fang studies much better than _____B_______student in his class.A. anyB. any otherC. the otherD. other满分：2 分10. The question_____D_______finally, we went home.A. to be settledB. settlingC. having settledD. settled满分：2 分11. The machine is such _____B_______I have never seen before.A. whatB. asC. whenD. where满分：2 分12. The speech_____D_______, a lively discussion started.A. to be deliveredB. was deliveredC. be deliveredD. having been delivered满分：2 分13. The higher the standard of living,____D________.A. the greater is the amount of paper is usedB. the greater amount of paper is usedC. the amount of paper is used is greaterD. the greater the amount of paper is used满分：2 分14. How beautifully she sings!I have never heard______D______.A. the better voiceB. a good voiceC. the best voiceD. a better voice满分：2 分15. The water gives up energy and becomes cooler______B______the ice receives energy and melts.A. whenB. whileC. forD. because满分：2 分16. Boris has brains. In fact,I doubt whether anyone in the class has ______B______IQ.A. a highB. a higherC. the higherD. the highest满分：2 分17. I'd rather you____D______make any comment on the issue for the time being.A. don'tB. wouldn'tC. shouldn'tD. didn't满分：2 分18. ____C________right now, she would get there on Sunday.A. Would she leaveB. If she leavesC. Were she to leaveD. If she had left满分：2 分19. The secretary and treasurer of our company______D______the meeting.A. were to attendB. are to attendC. is attendD. is to attend满分：2 分20. _____A_______, the rivers were open and navigable.A. Being summerB. Been summerC. To be summerD. It was summer满分：2 分21. ______C______, he slipped through the window.A. With anyone noticingB. With anyone noticedC. Without anyone noticingD. Without nobody noticed满分：2 分22. If only the committee_____B_______he regulations and put them into effect as soon aspossible.A. approveB. would approveC. can approveD. sill approve满分：2 分23. He told me how he had given me shelter and food without which I _____A_______of hunger.A. would have diedB. would dieC. would be diedD. will die满分：2 分24. _____D_______is a fact that English is accepted as an international language.A. WhatB. ThisC. ThatD. It满分：2 分25. The company official _____C_______ I thought would be fired received a raise.A. whomB. whoeverC. whoD. which满分：2 分26. Large quantities of water ______B______cooling purposes.A. are needed forB. is needed toC. are need toD. is need for满分：2 分27. The more he tried to help her,______B______she seemed to appreciate it.A. lessB. the lessC. the leastD. the lesser满分：2 分28. I have no idea_______C_____ they have kept in touch with me by E-mail since last year.A. whatB. howC. thatD. when满分：2 分29. ______B______we need more practice is quite clear.A. WhatB. ThatC. WhichD. When满分：2 分30. I recognized her______A______I saw her.A. the instant (that)B. afterC. if notD. unless满分：2 分31. I wish I______A______longer this morning, but I had to get up and come to class.A. could have sleptB. sleptC. might have sleptD. have slept满分：2 分32. E-mail, as well as telephones,_____A_______an important part in daily communication.A. is playingB. have playedC. are playingD. play满分：2 分33. The International Studies University, ______A______in 1951, is a military academy.A. foundedB. has been foundedC. to have been foundedD. was founded满分：2 分34. ____B________,we will set off as we planned.A. Were it good or badB. Be it good or badC. Being good or badD. Whether good or bad满分：2 分35. We must do well______B______the boss assigns us to do.A. thatB. whateverC. whicheverD. those满分：2 分36. You can't imagine______B______when they received these gifts.A. how they were excitedB. how excited they wereC. how excited they haveD. they were how excited满分：2 分37. I will give this book to______B______wants to have it.A. whomeverB. whoeverC. whateverD. wherever满分：2 分38. The time will come ______B______ man can fly ____________ he likes in the universe.A. how ... whereB. when ... whereverC. where ... whereD. what ... which满分：2 分39. All things______C______, the planned trip will have to be called off.A. consideringB. be consideredC. consideredD. having considered满分：2 分40. Most of the stones are_____D_______ a man and weigh about two and a half tons each.A. more highB. much more highC. higher moreD. higher than满分：2 分41. I wonder how many years ago______B______.A. did your father retireB. your father retiredC. has your father retiredD. your father has retired满分：2 分42. Rather than ____A________to see the film he would prefer____________stay at home.A. go ... toB. to go ... toC. went ... toD. would go ... to满分：2 分43. Is this the place ______A______the exhibition was held?A. whereB. thatC. on whichD. the one满分：2 分44. _______D_____for my illness, I would have lent him a helping hand.A. Not beingB. Without beingC. Not having beenD. Had it not been满分：2 分45. All examination paper_____D______, the teacher let the students leave.A. handing inB. having handed inC. to be handed inD. having been handed in满分：2 分46. It is vital that enough money______A______to fund the subject.A. be collectedB. must be collectedC. is collectedD. can be collected满分：2 分47. His father is _____C_______than his mother.A. older four yearsB. as four years olderC. four years olderD. four years bigger满分：2 分48. The Smith's family, which_____B_______rather a large one,____________very fond of their old house.A. were ... wereB. was ... wereC. were ... wasD. was ... was满分：2 分49. We don't doubt _____B_______ he can make a good job of it.A. ifB. thatC. whatD. why满分：2 分50. ______A______is unknown to me.A. Where he isB. Where is heC. He is whereD. Is he where满分：2 分。

福师(2020-2021)《数字信号处理》在线作业二(5)答案

福师（2020-2021）《数字信号处理》在线作业二
注：本科有多套试卷，请核实是否为您所需要资料，本资料只做参考学习使用！！！
一、单选题（共25题，50分）
1、在对连续信号均匀采样时，要从离散采样值不失真恢复原信号，则采样角频率ΩS 与信号最高截止频率ΩC应满足。

（）
AΩS>2ΩC
BΩS>ΩC
CΩS<ΩC
DΩS<2ΩC
提示：认真复习课本知识302，并完成以上题目
【参考选择】：A
2、模拟信号由于截断，其频谱分析中的一些误差现象，称为（）。

A栅栏效应
B截断效应
C频谱混叠
D吉布斯效应
提示：认真复习课本知识302，并完成以上题目
【参考选择】：B
3、哪种滤波器的通带和阻带内都有等波纹幅频特性。

（）
A椭圆滤波器
B巴特沃斯滤波器
C切比雪夫滤波器
提示：认真复习课本知识302，并完成以上题目
【参考选择】：A
4、已知某序列Z变换的收敛域为5>|z|>3，则该序列为( )。

A有限长序列
B右边序列
C左边序列
D双边序列
提示：认真复习课本知识302，并完成以上题目
【参考选择】：D
5、以下是某系统函数的收敛域，则其中不稳定的是（）。

A0.4<|z|<2.5
B0.2<|z|<5
C0.5<|z|<2
D|z|< 0.9
提示：认真复习课本知识302，并完成以上题目
【参考选择】：D。

南开大学(2020-2021 )《大学英语(三)》在线作业-答案1

南开大学（2020-2021 ）《大学英语（三）》在线作业提示：本科目有多套试卷，请认真核对是否是您需要的材料！！！一、单选题 (共 50 道试题,共 100 分)1.An adviser said in China( )course should be developed in some Universities, one year at work, one year colleg[E.][A.]a sandwich[B.]a salad[C.]a macaroni[D.]a dinner提示：认真复习课本知识302，并完成以上题目【参考选择】：A2.– Hello, Sally. How's everything? – ( ).[A.]Good for you[B.]Oh, I agree[C.]That's right[D.]Just so-so提示：认真复习课本知识302，并完成以上题目【参考选择】：D3.– Are you free in July? – No, I( )with my parents in July.[A.]stay[B.]stayed[C.]have stayed[D.]am staying提示：认真复习课本知识302，并完成以上题目【参考选择】：D4.It's not safe( )in the street.[A.]played[B.]play[C.]playing[D.]plays提示：认真复习课本知识302，并完成以上题目【参考选择】：C5.He( )the children so badly that they were terrified of him.[A.]behaved[B.]treated[C.]dealt[D.]acted提示：认真复习课本知识302，并完成以上题目【参考选择】：B6.Before she began to study at Beijing University, she( )in a factory for five years.[A.]had worked[B.]worked[C.]has worked[D.]would work提示：认真复习课本知识302，并完成以上题目【参考选择】：A7.Silk( )by Chinese for thousands of years now.[A.]has used[B.]has been used[C.]was used[D.]is used提示：认真复习课本知识302，并完成以上题目【参考选择】：B8.– We want to sit at the table near the window. – I'm sorry, but( )already.[A.]it took[B.]it takes[C.]it is being taken[D.]it has been taken提示：认真复习课本知识302，并完成以上题目【参考选择】：D9.He asked me( )English cultur[E.][A.]about[B.]of[C.]for[D.]on提示：认真复习课本知识302，并完成以上题目【参考选择】：A10.Mr. Smith, together with his wife and children,( )going to the party this weeken[D.][A.]am[B.]is[C.]are[D.]will提示：认真复习课本知识302，并完成以上题目【参考选择】：B。

福师(2020-2021)《教育科学研究方法》在线作业二(4)答案

福师（202X-202X）《教育科学研究方法》在线作业二注：本科有多套试卷，靖核实是否为您所需要资料，本资料只做参考学习使用！！!一、单项选择题（共15题，30分）1、—的特征包括典型性、效益性、稳定性、现实性以及适用性和创造性。

A经验B先进经验C先进教育经验D教育经验提示：认真复习课本知识302,并完成以上题目【参考选择】：B2、与实验有关的因素或条件如果是可测量的、数量化的或等级化的东西，统称之为—o A因变量B自变量C变量D无关变量提示：认真复习课本知识302,并完成以上题目【参考选择】：C3、先把总体按一定标准进行分类或分层，然后按类层抽取一定数目对象的抽样方法是（）。

A单纯随机抽样B分类抽样法C多级抽样法D有意抽样法提示：认真复习课本知识302,并完成以上题目【参考选择】：B4、问卷中那些属于个人根本情况的工程和估计被调查者能够直接答复的工程应采用的提问方式是___ oA间接提问B假设性提问C直接提问D针对性提问提示：认真复习课本知识302,并完成以上题目【参考选择】：C5、一篇文章大约选—个词作为关键词。

A3-8B2-5C3-6D2-8提示：认真复习课本知识302,并完成以上题目【参考选择】：A6、—是社会科学研究中特有的，也是最常用的方法之一。

A调查法B问卷法C观察法D访谈法提示：认真复习课本知识302,并完成以上题目【参考选择】：A7、召集有关教育专家学者（尤其是教师集体）通过讨论，就个案（学生的行为）作出鉴定，作出对研究对象比拟客观公正的结论的一种研究方法是—oA追因法B教育会诊法C活动产品分析法D临床法提示：认真复习课本知识302,并完成以上题目【参考选择】：B8、（）是按照研究者是否介入观察对象的活动分类。

A自然观察和实验观察B直接观察和间接观察C参与性观察和非参与性观察D结构式观察和非结构式观察提示：认真复习课本知识302,并完成以上题目【参考选择】：C9、根据研究的目的要求，按与研究有关或无关的标准，把总体各单位按次序排成表，然后按相等的距离或间隔抽取足够数目的样本，这种抽样方法是（）。

福师(2020-2021)《教育统计与测量评价》在线作业二(5)答案

福师（2020-2021）《教育统计与测量评价》在线作业二注：本科有多套试卷，请核实是否为您所需要资料，本资料只做参考学习使用！！！一、单选题（共12题，24分1、()实际上是一种论述题,它是语言测量中不可缺少的一部分。

A简答题B论述题C作文题D操作题提示：认真复习课本知识302，并完成以上题目【参考选择】：C2、（）是利用头脑积极思维,进行智力碰撞，激发智慧灵感，而提出评价指标的一种常用方法。

A反头脑风暴法B头脑风暴法C哥顿法D德尔斐法提示：认真复习课本知识302，并完成以上题目【参考选择】：B3、一组数据的标准差反映这组数据的（）。

A分布范围B差异大小C取值水平D集中位置提示：认真复习课本知识302，并完成以上题目【参考选择】：D4、若根据题目答案的范围和评分误差的大小，可以把测验题目分成（）。

A选择题和填空题B选择题和供答题C客观题和主观题D论文题和操作题提示：认真复习课本知识302，并完成以上题目【参考选择】：C5、一个变量是顺序变量，另一个变量是连续变量，计算相关系数应当用（）方法。

A正相关B负相关C等级相关D完全相关提示：认真复习课本知识302，并完成以上题目【参考选择】：C6、积差相关系数方法的创立者是英国学者（）。

A皮尔逊B斯皮尔曼C达尔文D高尔顿提示：认真复习课本知识302，并完成以上题目【参考选择】：A7、下面哪个选项的内容是地位量数（）。

A标准差和百分等级B平均数和中位数C标准分数和百分位D平均数和标准差提示：认真复习课本知识302，并完成以上题目【参考选择】：C8、下列哪个选项的内容是地位量数（）。

A标准差和百分等级B平均数和中位数C标准分数和百分位D平均数和标准差提示：认真复习课本知识302，并完成以上题目【参考选择】：C9、一个变量是顺序变量，另一个变量是连续变量，计算其相关系数应当用（）方法。

A正相关B负相关C等级相关D完全相关提示：认真复习课本知识302，并完成以上题目【参考选择】：C10、某班50名学生，包括30名女生，随机抽取一名学生恰好是男生的概率为（）。

福师《大学英语(1)》在线作业二答卷

C.finishing
D.having been finished
答案:C
36.I'd rather have a room of my own, however small it is, than____________a room with someone else.
A.to share
答案:C
25.That factory ____________ nearly 50 years ago.
A.has been built
B.had built
C.was built
D.has built
答案:C
26.They are considering ____________ before the prices go up.
答案:C
3.David ____________himself while he ____________the machine.
A.hurted... was fixing
B.hurts... is fixing
C.hurt... fixed
D.hurt ... was fixing
D.Thanks
答案:D
24.—Do you think I could borrow your dictionary? —_________.
A.Yes, you may borrow
B.Yes, go on
C.Yes, help yourself
D.It doesn't matter
A.to do
B.to
C.doing
D.doing so

福师《高级英语(三)》在线作业二答卷

A.be put up
B.give in
C.be turned on
D.go out 答Fra bibliotek:D 5.He always has a lot of ( ) ideas in his mind , and sometimes we do not even know what he is thinking about.
A.novel
B.spoil
C.acceptable
D.additional
答案:A
6.Modern man faces dangers completely unknown ________ his predecessors.
A.for
B.to
C.of
D.by
答案:B
7.____,when he lived in his country , he was a university professor,but now he is working toward a high degree at an American university.
答案:B
10.The unpleasant taste____in his mouth for hours .
A.lingered
B.prolonged
C.rested
D.vanished
答案:A
11.She always dreamed of an _______ job even when she was ten years old.
A.modifies
B.justifies
C.purifies
D.testifies

14秋福师《大学英语(2)》在线作业二答案

福师《大学英语（2）》在线作业二1. We look ____ to receiving a prompt reply to our letter.A. roundB. throughC. afterD. forward正确答案：D 满分：2 分得分：22. Do you know ____________?A. when does the party startB. whether the party startsC. what time the party startsD. if the party starts正确答案：C 满分：2 分得分：23. —The trousers____________you well, madam. —But the color____________me.A. fit ... don't suitB. fits ... doesn't suitC. fits ... don't suitD. fit ... doesn't suit正确答案：D 满分：2 分得分：24. ____________he is absent, what shall we do?A. Now thatB. Seeing thatC. WhetherD. Supposing that正确答案：A 满分：2 分得分：25. It's already 5 o'clock now. Don't you think it's about time____________?A. we are going homeB. we go homeC. we went homeD. we can go home正确答案：C 满分：2 分得分：26. —You have lovely children. —_______________.A. No, no, no. They are notB. Oh, no, noC. You're talking too muchD. Thanks正确答案：D 满分：2 分得分：27. War and peace ____________a constant theme in the history of the world.A. isB. areC. have beenD. has been正确答案：A 满分：2 分得分：2。