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模拟电子技术 4差动放大电路及运算放大器.ppt

1、Paper One 试卷一(65 minutes)Part I Dialogue Completion (10 minutes, 10 points)Directions: In this part, there are 3 dialogues with 3 or 4 blanks, each followed by 4 choices marked A, B, C and D. Fill in each blank with the choice that best suits the situation until the dialogue is complete. With dialog

2、ue One, all the choices will have to be used. With dialogue Two and Dialogue Three, one choice will be left unused. Mark your answer on the ANSWER SHEET with a lsingle bar through the center of the letter that indicates your choice.Dialogue OneWoman: I heard youre moving to New York.Man: Yes. 1 Woma

3、n: Oh, thats great! 2 Man: Me, too. Lets keep in touch.Woman: Yeah. 3 Man: Trust me. I wont. Ill keep you posted.Woman: 4 Man: Well, I have your e-mail address.Woman: All right! I look forward to hearing from you soon. Good luck! A. You have my address? B. Dont forget to drop me a line when you sett

4、le down. C. But Im going to miss you. D. Ive got an offer in upstate New York.Dialogue TwoErica: Ive sent out the invitations for the dinner party.Manuel: Thats good. 5 Erica: Weve got to plan the menu.Manuel: Oh, thats right. 6 Erica: I think Im going to make the chicken salad we had at Pompa last

5、time. Remember I asked the chef for the recipe?Manuel: Yeah, but did you forget that Linda doesnt eat chicken?Erica: Linda? Oh, my Gosh! 7 Shell be mad at me. It just slipped my mind.Manuel: Well, its not too late yet. Ill make a phone call. Dont worry. A. Do you have anything in mind? B. Now what s

6、hould we do? C. I think youre right there! D. I forgot to invite her!Dialogue ThreeMary: Jenny, I know you like Jack a lot, buy 8 Jenny: Well, I dont know, but theres just something about him. Dont you think so?Mary: Really? 9 Jenny: Well, hes gentle, patient, successful, and MATURE. I think HEs my

7、Mr. Right!Mary: MATURE is a good word, but 10 Hes almost twice as old as you are!Jenny: Well, as long as we live each other, age is not an issue. A. Dont you think hes a little old for you? B. What do you think about him? C. Whats that “somrthing”? D. What do you thing?Part II Reading Comprehension(

8、35 minutes,40 points)Directions:There are four reading passages in this part. Each passage is followed by 5 questions or unfinished statements. For each of them there are four choices marked A),B),C) and D). Choose the best one and mark your answer on the Answer Sheet with a single bar through the c

9、enter of the lettre that indicates your choice.Passage One A fire drill is,to put it mildly,an inconvenient exercise at the best of times. A fire drill at 2:00 in the morning in terrible weather conditions,like the one we had on Thursday night and Friday morning last,is incomparably more inconvenien

10、t. This is why writing this note to thank you all most sincerely for your excellent co-operation and the spirit with which you endured the inconvenience. A fire drill is not an idle exercise. It is an extremely serious one and can,in fact,save lives in the long run. Last week fire drill has already

11、reyealed a number of important things regarding fire precautions in the Hall. For instance, there seem to exit a number of “deaf spots” in the Hall,namely,the two rooms in Purser House and some rooms in the Bottom corridor. I have no reason to doubt that residents from these areas could not hear the

12、 alarm. I shall request an immediate examination of this problem. I should,also,remind you that it is a requirement that fire drills should be regularly carried out (at least two in every one year)and each resident should be made fully aware of this and obliged to take part. All residents must take

13、fire precautions with the seriousness they deserve. Failure to do so can result bin fines and expulsion(驱逐)from the Hall. Thank you again for your co-operation.11. The last fire drill caused much more inconvenience because_.A)it was in bad weather B)there were “deaf spots”C)a big fire started D)it w

14、as at the weekend12. The phrase “in the long run”(L.2,Part.2)means_.A)effectively B)endlessly C)eventually D)efficiently13. Some people did not make their appearance at the last drill because_.A)they were deaf B)they could not hear the alarmC)nobody waked them up D)they refused to leave their rooms1

15、4. Afire drill is extremely important according to the writer for_.A)it is a good physical exercise B)it cultivates peoples enduranceC)it is a legal requirement D)it can save lives in case of a fire15. Which of the following was NOT stated by the author?A)A fire drill is very important and useful.B)

16、The last fire drill received inactive co-operation from the residents.C)Those who do not take fire precautions will be fined and driven out.D)It has been made a rule that fire drills will be performed regularly.Passage Two Accidents are caused;they dont just happen. The reason may be easy to see:a s

17、helf out of reach,a patch of ice on the misfortunefrustration,tiredness or just bad temperthat show what the accident really is,a sort of attack on oneself. Road accidents,for example,happen frequently after a family quarrel,and we all know people who are accident-prone,so often at odds with themsel

18、ves and the world that they seem to cause accidents for themselves and others. By definition,an accident is something you can not predict or avoid,and the idea which used to be current, that the majority of road accidents are caused by a minority of criminally careless drivers,is not supported by in

19、surance statistics. These show that most accidents involve ordinary motorists in a moments of carelessness or thoughtlessness.It is not always clear,either,what sort of conditions make people more likely to have an accident. For instance,the law requires all factories to take safety precautions and

20、most companies have safety committees to make sure the regulations are observed,but still,every day in Britain,some fifty thousand men and women are injured from work due to accidents. These accidents are largely the result of human error or misjudgmentnoise and fatigue,boredom or worry are possible

21、 factors which contribute to this. Doctors who work in factories have found that those who drink too much,usually people who have a high anxiety level,run three times the normal risk of accidents at work.16. The passage suggests that_.A)Accidents are usually caused by psychological factors.B)Acciden

22、ts mostly result from slippery roads.C)Drinkers run three times the normal risk of accidents in factories.D)About 50 000people lose their lives at work in Britain every day.17. Which of the following is NOT mentioned as a factor of accidents?A)Mood. B)Tiredness. C)Carelessness D)Weather18. The word

23、“accidents-prone”(L.2 Para.2)means_.A)likely to have accidents B)injured in accidentsC)possible to die in accidents D)responsible for road accidents19. What can we infer about the author opinion of accidents?A)Safety precautions are of little use in accidents.B)Many accidents can and should be avoid

24、ed.C)Factory accidents ,unlike road accidents,are inevitable.D)Most road accidents are caused by just a few careless drivers.20. The best title for the passage would be _.A)Accidents and AnxietyB)How to Deal with Accidents on Road and in FactoriesC)Human Factors in AccidentsD)How to Prevent Accident

25、s on Road and in FactoriesPassage Three Is language,like food,a basic human need?Judging from the result of the violent experiment by a German King,Frederick II,in the 13th century,it may be. Hoping to 犰菓椀瀀栀琀洀氀漀/q前台访问/c-0-1-1999512-0-0-0-0-9-1-1.html207.46.13.1530谂宑礀需挀栀琀洀氀栀漀/Mi前台访问/p-2945240.html117.95.166.1890谄%匀焀眀愀瀀搀栀琀洀氀鐀漀/Mg前台访问/p-1283263.html94.130.12.1180谆攀瀀栀琀洀氀鐀漀/Mg前台访问/p-2503665.html207.46.13.1530谈勈犰菓缀餀挀栀琀洀氀漀/Mi前台访问/d-3027824.html116.179.32.1300谊匀洀漀爀搀攀爀栀琀洀氀慒漀鳲/Mi前台访问/p-3049239.html220.181.108.750谌勈最瀀栀琀洀氀戁漀/Mg前台访问/p-3049238.html116.179.32.460谎%最

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