东大14春学期《大学英语(四)》在线作业3
东大14秋学期《大学英语(三)》在线作业1答案
B. 1
C. 2
D. 3
?
正确答案：D
8.运动设备和电子元器件通常要增加通风和水冷设计，这属于可靠性设计技术中的（）
A.
耐环境设计
B.抗振动设计
C.电磁兼容性设计
D.降额设计与热设计
?
正确ห้องสมุดไป่ตู้案：D
9.环境应力筛选在产品开发和批生产早期阶段都应（）
A.
100%进行
B.视产品质量情况决定试验样本量
λB=0.001/hλC=0.004/hλD=0.003/h,则系统的平均故障间隔时间为（）
A.
1000h
B. 100h
C. 10h
D. 500h
?
正确答案：B
6.产品可靠性定义中,规定的时间可用（）度量
A.小时
B.里程
C.次数
D.概率
?
正确答案：C
7.一直标准正态分布的下侧分位数为0.5，则它对应的正态分布N（2，2）的下侧分位数为（）。
A.错误
B.正确
?
正确答案：B
二,单选题
1.针对（）故障，漏电保护器采用故障率的大小作为可靠性指标。
A.
误动
B.拒动
C.操作
D.复位
?
正确答案：A
2.掷一个骰子，其出现点数为1的概率（）。
A.
1
B. 1/2
C. 1/3
D. 1/6
?
正确答案：D
3.质量管理从单纯地事后检验进入检验加预防阶段的标志是（）
14秋学期《低压保护电器可靠性理论及其应用》在线作业1
一,判断题
1.本应该判为合格的产品而被误判为不合格的这类判断错误称为第一类错误。( )
奥鹏东北大学20春学期《大学英语(四)》平时作业3参考答案
D so long as to
【答案】：B
13. 72. The worker's demands are ______; they're asking for only a small increase in their wages.
【选项】：
A excessive
B raw
B taken over
C take up
D take on
【答案】：A
11. 52. She had often ______ about her father's choice of doctor and knew now that she had been right.
【选项】：
A protested
【选项】：
A taking
B to take
C take
D had taken
【答案】：A
10. 15. The lecturer had the feeling that a good deal of what he said had not been ______.
【选项】：
A taken in
C While
D Once
【答案】：D
5. 47. They are pleased to switch it off when they do not like the programme or change to the other ______.
【选项】：
A channel
B title
C volume
C sessions
D grades
【答案】：B
7. 9. His clothes ______, Soapy was thrown out of the restaurant by the waiter.
东大14春学期《大学英语(四)》在线作业2
14春学期《大学英语(四)》在线作业2一、单选题1. 27. Several families of birds feed primarily ______ flying insects and have developed long wings and wide-opening mouths.A. onB. toC. withD. up正确答案：A2. 114. The president promised to keep all the board members __________ of how the negotiations were going on.A. informedB. informC. be informedD. informing正确答案：A20. 5. They have no ______ wish ______ to live and work for their motherland.A. same … asB. such … asC. other … thanD. another … than正确答案：C17. 50. A year ago the first volume in this series successfully ______ the pattern which is here continued.A. establishedB. organizedC. proceeded "D. represented正确答案：A3. 94. As a public relations officer, he is said _______ some very influential people.A. to have been knowingB. to be knowingC. to have knownD. to know正确答案：C6. 15. The lecturer had the feeling that a good deal of what he said had not been ______.A. taken inB. taken overC. take upD. take on正确答案：A7. 64. The thief ______ the room, took the precious diamond and went away.A. broke upB. broke intoC. broke offD. broke through正确答案：B8. 6. I won't have you answer me ______ that manner.A. withB. inC. byD. through正确答案：B9. 42. No sooner had he sat down to lunch ______ there was a knock at the door.A. whenB. thatC. asD. than正确答案：D10. 4. You must concentrate your attention ______ the main contradiction involved in the problem.A. onB. atC. toD. of正确答案：A11. 95. Our hopes __________ and fell in the same instant.B. aroseC. raisedD. rose正确答案：D12. 110. Jack wishes that he __ business instead of history when he was in university.A. had studiedB. studyC. studiedD. had been studying正确答案：A13. 67. As luck would have it, we have won three victories in ______.A. combinationB. successionC. meantimeD. continuity正确答案：B14. 73. The great fire ______ the forest to a few tress.A. shiftedB. switchedC. reducedD. decreased正确答案：C15. 63. This is confidential. Don't ______ a word of this to anyone.A. letB. utterC. leakD. expose正确答案：B16. 26. She could not help ______ as past events rushed into her mind.A. weepB. weepingC. to weepD. to be weeping正确答案：B17. 84. Her parents tried to _______ a subtle pressure on her to marry someone who would carry on the family business.A. bringC. bearD. exert正确答案：D18. 51. I'm excited about the ______ of going to the States.A. requestB. divisionC. possibilityD. reality正确答案：C19. 78. Nylon fibers last longer and are stronger than natural fibers _______ silk or cotton.A. such asB. as regardsC. as well asD. as such正确答案：A20. 44. I want to go to the dentist, but you ______ with me.A. need not to goB. do not need goC. need not goD. need to not go正确答案：C。
大工14春《大学英语4》在线测试3答案
大工14春《大学英语4》在线测试3答案在文档后面一、单选题（共 20 道试题，共 80 分。
）V1. The old building is in a good state of ________ except for the wooden floors.A. observationB. preservationC. quotationD. compensation满分：4 分2. Each boy and each girl _________ given a gift on Christmas Day.A. isB. areC. wereD. be满分：4 分3. What do you think of the book? Are there any areas that you feel are not __________ adequately in the book?A. coveredB. protectedC. developedD. manipulated满分：4 分4. It's time we __________ the lecture because everybody has arrived.A. will startB. shall startC. startD. started满分：4 分5. The Clarks haven't decided yet which hotel _________.A. to stayB. is to stayC. to stay atD. is for staying满分：4 分6. We are disappointed to find that the quality of the products here _________ very poor.A. to beB. have beenC. isD. being满分：4 分7. This room ________ cool in summer and warm in winter. It's quite comfortable to live here.A. feelsB. is feltC. findsD. is founded满分：4 分8. The world's governments have done __________ nothing to combat the threat of nuclear accidents.A. inherentlyB. vitallyC. virtuallyD. identically满分：4 分9. One cannot learn a foreign language well _______ he studies hard.A. unlessB. ifC. asD. when满分：4 分10. It is reported that ________ adopted children want to know who their natural parents are.A. the mostB. most ofC. mostD. the most of满分：4 分11. I couldn’t find my English-Chinese dictionary ___________.A. anywhereB. nowhereC. everywhereD. somewhere满分：4 分12. My uncle's house in the downtown area is much smaller than ours, but it is twice _________ expensive.A. asB. soC. tooD. very满分：4 分13. I wish you'd do _______ talking and some more work. Thus things will become better.A. a bit lessB. any lessC. much moreD. a little more满分：4 分14. Professor Johnson comes from either Oxford or MIT, I can't remember __________.A. whereB. thereC. whichD. that满分：4 分15. My friend helped me ________ my cat when I was on vacation with my wife.A. look forB. look onC. look afterD. look up满分：4 分16. Therefore, other things __________ equal, the number of workers that employers want decreases.A. isB. areC. beingD. having满分：4 分17. John's father __________ mathematics in this school ever since he graduated from Harvard University.A. taughtB. teachesC. has taughtD. is teaching满分：4 分18. It won't be long __________ this theory will be proved to be wrong.A. soonB. sinceC. afterD. before满分：4 分19. Jim is the only one of the staff members who _________ to be promoted.A. areB. have beenC. isD. has been满分：4 分20. A knowledge of economics is __________ to any understanding of the problem in discussion.A. fundamentalB. decisiveC. characteristicD. typical满分：4 分二、判断题（共 10 道试题，共 20 分。
东大17春学期《大学英语（四）》在线作业3
东大17春学期《大学英语（四）》在线作业317秋东北大学东大17春学期《大学英语(四)》在线作业3一、单选题（共20 道试题，共100 分。
）1. 72. The worker's demands are ______; they're asking for only a small increase in their wages.A. excessiveB. rawC. superD. moderate正确答案：2. 113. Extensive reporting on television has helped to __________ interest in a wide variety of sports and activities.A. gatherB. generateC. assembleD. yield正确答案：3. 35. Come and see me whenever ______ .A. you are convenientB. you will be convenientC. it is convenient to youD. it will be convenient to you正确答案：4. 40. I have not found my book yet; in fact, I am not sure ______ I could have done with it.A. whetherB. whereC. whenD. what正确答案：5. 88. The shape of Italy _______ a boot when you look at it ona map.A. resemblesB. picturesC. likesD. looks正确答案：6. 115. Eating too much fat can _____ heart disease and cause high blood pressure.A. contribute toB. attribute toC. attend toD. devote to正确答案：7. 120. Though he was born and brought up in America, he can speak ____ Chinese.A. smoothB. fluentC. fluidD. flowing正确答案：8. 43. They said that they wouldn't mind ______.A. to have a little light musicB. having a little light musicC. have a little light musicD. if they have a little light music正确答案：9. 18. A person ______ others call “lucky" is usually an intelligent, hard worker who takes full advantage of opportunities.A. whoB. thatC. whomD. to whom正确答案：10. 68. He only ______ the letter I handed to him but signed it anyway.A. studiesB. scannedC. sawD. stared正确答案：11. 53. Two problems seem to ______ if we take this line of persuasion with school boards and parents.A. establishB. enterC. representD. emerge正确答案：12. 67. As luck would have it, we have won three victories in ______.A. combinationB. successionC. meantimeD. continuity正确答案：13. 112. The Car Club couldn't __________ to meet the demands of all its members.A. ensureB. guaranteeC. assumeD. confirm正确答案：14. 114. The president promised to keep all the board members __________ of how the negotiations were going on.A. informedB. informC. be informedD. informing正确答案：15. 116. All the tasks _____ ahead of time, they decided to go on holiday for a week.A. had been fulfilledB. were fulfilledC. having been fulfilledD. been fulfilled正确答案：16. 31. At best, this is only a temporary substitute ______ the other one.A. toB. fromC. forD. with正确答案：17. 73. The great fire ______ the forest to a few tress.A. shiftedB. switchedC. reducedD. decreased正确答案：18. 117. This article __________ more attention to the problem of cultural interference in foreign language teaching and learning.A. calls forB. applies forC. cares forD. allows for正确答案：19. 20. I don't think she is ______ the honor given to her.A. worthy toB. worthy forC. worthy ofD. worthy with正确答案：20. 4. You must concentrate your attention ______ the main contradiction involved in the problem.A. onB. atC. toD. of正确答案：。
东大14秋学期《大学英语(三)》在线作业2答案
14秋学期《低压保护电器可靠性理论及其应用》在线作业2
一,判断题
1. 统计试验分析，在风险相同情况下，鉴定比越大，定时截尾试验的总时间越短。
（）
A. 错误
B. 正确
?
正确答案：B
2. 工程能力越高，产品质量参数的分散性就越大。
( )
A. 错误
B. 正确
?
正确答案：A
3. 可靠性技术就是指与产品可靠性有关的工程方法。
（）
A. 错误
B. 正确
?
正确答案：B
4. 物理结构失效采用一般的物理分析即可达到目的。
( )
A. 错误
B. 正确
?
正确答案：B
5. .
A. 错误
B. 正确
?
正确答案：B
6. 当产品的质量参数不存在公差时，这些产品就是合格品。
( )
A. 错误
B. 正确
?
正确答案：A
7. 验证低压断路器瞬动保护特性时，应从冷态开始，对其分别通以短路整定电流的80%和120%来判定是否发生误动和拒动的故障。
（）
A. 错误
B. 正确。
兰大14秋《大学英语（4）》14秋在线作业
兰大14秋《大学英语（4）》14秋在线作业《大学英语(4)》14秋在线作业1试卷总分：100 测试时间：-- 试卷得分：100单选题判断题包括本科在内的各校各科复习资料，可以联系屏幕右上的“文档贡献者”一、单选题（共15 道试题，共60 分。
）得分：60V 1. I ______ to speak to you all thesedays.A. wantedB. have wantedC. shall wantD. shall be wanting满分：4 分得分：42. The French pianist who had been praised very highly _____________ tobe a great disappointment.A. turned upB. turned inC. turned outD. turned down满分：4 分得分：43. Whenever I met him, _____________ was fairly frequent, ___________ Iliked his sweet and hopeful smile.A. which...不填B. that...ThatC. it...thatD. what...不填满分：4 分得分：44. If you ___________ in your rent again, you may get thrown out.A. fallbehindB. account forC. charge forD. come to满分：4 分得分：45. _________ concerts will be needed if we wanted to collect enough moneyto start a school.A. Some other tenB. An other tenC. Other tenD. Ten others满分：4 分得分：46. He thought he could talk Mr. Robinson _______ buying some expensiveequipment .A. toB. aboutC. intoD. on满分：4 分得分：47. More than one teacher _______told him it is important that he learnEnglish well if he _______abroad.A. had,will goB.has,wants to goC. has,want to goD.have,shall go满分：4 分得分：48. Only a selected number of landladies in the neighborhood have been allowed by the university to take in ________.A.residentsB. settlersC. lodgersD. inhabitants满分：4 分得分：49. Can you ________ furnishing your house luxuriously at a time when the company is losing so much money?A. verifyB. identifyC. justifyD. clarify满分：4 分得分：410. ----- Did you say you like the film TINATIC? ----- _______.I saidit's not bad .A. Not exactlyB. I don't know whyC. You're greatD. That's all right满分：4 分得分：411. _______ hostels (招待所) may not offer the most comfortable quarters, they are convenient, inexpensive, and attractive to travelling studentsand young people.A. WhenB. WhileC. NowthatD. If满分：4 分得分：412. "____________ through the alarm seems to be your biggest problem."A. AsleepB. To be asleepC. SleepingD. To sleep满分：4 分得分：413. After several months' study, I was able to read Japanese novels inthe ______ at ease.A. originB. sourceC. referenceD. original满分：4 分得分：414. ----- What's wrong with the book? ----- One page is ________ .A.disappearedB. losingC. missingD. disappearing满分：4 分得分：415. It is said that ________ to the plan so far have been positive.A.reactionsB. viewsC. ideasD. opinions满分：4 分得分：4二、判断题（共10 道试题，共40 分。
《大学英语4》2018年春学期在线作业(三)
B.alike
C.like like
D.likeable
8.In my spare time I prefer to read novels ________ sit idle.
A.due to
B.other than
C.instead ofinstead of
D.rather than
D.Without nobody noticed
3.________ is no reason for dismissing her.
A.Because she was a few minutes late
B.Owing to a few minutes late
C.The fact that she was a few minutes lateThe fact that she was a few minutes late
A.goes
es
C.venturesventures
D.returns
16.The company _________ the children in the mountain area ______ a lot of books.
A.supplies …. for …
B.provides… to…
A.set down
B.set off
C.set upset up
D.set out
2.________, he slipped through the window.
A.With anyone noticing
B.With anyone noticed
C.Without anyone noticingWithout anyone noticing
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14春学期《大学英语(四)》在线作业3
一、单选题
1. 16. Frank gambled his money away ______ Jane spent hers all on dresses.
A. for
B. so
C. while
D. so that
正确答案：C
2. 21. I believe you are on duty, ______ you are in plain clothes.
A. as soon as
B. for fear that
C. even though
D. so that
正确答案：C
3. 9. His clothes ______, Soapy was thrown out of the restaurant by the waiter.
A. dirty and worn
B. were dirty
C. were worn
D. be dirty
正确答案：A
8. 40. I have not found my book yet; in fact, I am not sure ______ I could have done with it.
A. whether
B. where
C. when
D. what
正确答案：D
5. 11. State constitutions have been amended, but ______ affect the basic principles.
A. not so much as
B. not so as to
C. in order to
D. so long as to
正确答案：B
6. 19. ______ a bad habit is formed, it will not be easy to get rid of it.
A. Since
B. Because
C. While
D. Once
正确答案：D
7. 115. Eating too much fat can _____ heart disease and cause high blood pressure.
A. contribute to
B. attribute to
C. attend to
D. devote to
正确答案：B
2. 114. The president promised to keep all the board members __________ of how the negotiations were going on.
A. informed
B. inform
C. be informed
D. informing
正确答案：A
9. 43. They said that they wouldn't mind ______.
A. to have a little light music
B. having a little light music
C. have a little light music
D. if they have a little light music
正确答案：B
10. 12. I can hardly believe that she bought the beautiful dress ______ only 50 yuan.
A. in
B. for
C. over
D. above
正确答案：B
11. 119. Petrol is refined from the __________ oil we take out of the ground.
A. A. fresh
B. original
C. rude
D. crude
正确答案：D
1. 27. Several families of birds feed primarily ______ flying insects and have developed long wings and wide-opening mouths.
A. on
B. to
C. with
D. up
正确答案：A
13. 36. He had not remembered my name ______ after he greeted me.
A) when B) until C) as D) while
A. when
B. until
C. as
D. while
正确答案：B
15. 76. They gave _______ broadcast while the performance was in process on the stage.
A. alive
B. live
C. living
D. lively
正确答案：B
15. 62. Not a ______ has been found so far that can help the police find the criminal.
A. crew
B. clue
C. crumb
D. sign
正确答案：B
16. 2. ______ the uncertainty of the weather, outdoor cafes are not a feature of English life.
A. In spite of
B. Owing to
C. Belonging to
D. Without
正确答案：B
17. 97. A season ticket __________ the holder to make as many journeys as he wishes within the
stated period of time.
A. grants
B. promises
C. entitles
D. presents
正确答案：C
7. 38. Abraham Lincoln was raised to farm work, ______ he continued until he was twenty-two.
A. since
B. what
C. which
D. that
正确答案：C
20. 5. They have no ______ wish ______ to live and work for their motherland.
A. same … as
B. such … as
C. other … than
D. another … than
正确答案：C
20. 82. Having been found guilty, the man was given a severe _______ by the judge.
A. service
B. sentence
C. crime
D. crisis
正确答案：B。