1. If the earth suddenly ________spinning, we would all fly off it.A. stoppedB. had stoppedC. has stoppedD. would stop2. “How should the city be run?” “If I ________a mayor, I would make the streetscleaner and hire more policemen.”A. wouldB. wereC. would beD. should3. If the whole operation _________ beforehand, a great deal of time and money would have been lost.A. was not plannedB. has not been plannedC. had not been plannedD. were not planned4. Jean doesn’t want to work right away because she thinks that if she________ a job she probably wouldn’t be able to see her friends very often.A. has to getB. were to getC. had gotD. could have got5. It is recommended that the project________ until all the preparations have been made.A. is not startedB. will not be startedC. not be startedD. is not to be started6. Who would you rather his daughter ________ in the same office?A. goingB. to goC. have goneD. went7. Church as we use the word refers to all religious institutions, ________theyChristian, Islamic, Buddhist, Jewish, and so on.A. beB. beingC. wereD. are8. My pain ________ apparent the moment I walked into the room, for the first man Imet asked sympathetically：“ Are you feeling all right?”A. must beB. had beenC. must have beenD. had to be9. Mary ________ my letter; otherwise she would have replied before now.A. couldn’t have receivedB. ought to have receivedC. has receivedD. shouldn’t have received10. You needn’t have come over yourself. As it turned out to be a small house party,we_______ so formally.A. needn’t dress upB. did not need have dressed upC. did not need dress upD. needn’t have dressed up11. Research findings show that we spend about two hours dreaming every night, nomatter what we ________ during the day.A. should have doneB. would have doneC. may have doneD. must have done12. Some women ________ a good salary in a job instead of staying home, but theydecided not to work for the sake of family.A. must makeB. should have madeC. would makeD. could have made13. He ________ another career but, at the time, he didn’t have enough money toattend graduate school.A. might have chosenB. might chooseC. had to chooseD. must have chosen14. Do you enjoy listening to records? I find records are often ________, or betterthan an actual performance.A. as good asB. as goodC. goodD. good as15. The number of registered participants in this year’s marathon was half ________ .A. of last year’sB. those of last year’sC. of those of last yearD. that of last year’s16. Smoking is so harmful to personal health that it kills people each year________than automobile accidents.A. seven more timesB. seven times moreC. over seven timesD. seven times17.“Do you regret paying ________ as five hundred dollars for the painting ?”“No, Iwould gladly have paid for it.”A. twice so muchB. twice as muchC. as much twiceD. so much twice18. Their watch is ________ to all the other watches on the market.A. superiorB. advantageousC. superD. beneficial19. The heart is ________ intelligent than the stomach, for they are both controlled bythe brain.A. not soB. not muchC. much moreD. no more20. Just as the soil is a part of the earth, ________ the atmosphere.A. as it isB. the same isC. so isD. and so is21. ________all visible lights, red light has the longest and violet the shortestwavelength.A. AmongB. OfC. ForD. To22. It is better to die on one’s feet th an ________.A. living on one’s kneesB. live on one’s kneesC. on one’s kneesD. to live on one’s knees23. We are taught that a business letter should be written in a formal style________ ina personal style.A. rather thanB. other thanC. better thanD. less than24. The little man was ________ more than one meter fifty tall.A. nearlyB. quiteC. hardlyD. almost25. If tap water were as dangerous as some people think ________would be gettingsick.A. a lot of more usB. more a lot of usC. a lot of us moreD. a lot more of us26. Indeed, almost every scientist now finds it impossible to read all the worksrelevant to his own subject, ________ extensively outside of it.A. much more to readB. much less to readC. much less readingD. still more reading27. The individual TV viewer invariably senses that he or she is ________ ananonymous, statistically insignificant part of a huge and diverse audience.A. everything exceptB. anything butC. no less thanD. nothing more than28. The population of many Alaska cities has ________doubled in the past threeyears.A. larger thanB. more thanC. as great asD. as many as29. A good writer is________ who can express the commonplace in an uncommonway.A. thatB. heC. oneD. this30. The number of registered participants in this year’s marathon was half ________.A. of last yearsB. those of last yearsC. of those of last yearD. that of last year’s31. How close parents are to their children ________ a strong influence on thecharacter of the children.A. haveB. hasC. havingD. to have32. Neither of the young men who had applied for a position in theuniversity________.A. has been acceptedB. have been acceptedC. was acceptedD. were accepted33. The growth of part-time and flexible working patterns, and of training andretraining schemes, ________more women to take advantage of employment opportunities.A. have allowedB. allowC. allowingD. allows34. At the South Pole ________ , the coldest and most desolate region on earth.A. Antarctica lies thereB. where Antarctica liesC. Antarctica liesD. lies Antarctica35. So involved with their computers________ that leaders at summer computercamps often have to force them to break for sports and games.A. became the childrenB. become the childrenC. had the children becomeD. do the children become36. The business of each day, _________ selling goods or shipping them, went quitesmoothly.A. it beingB. be itC. was itD. it was37. Hardly ______ the helicopter ______ when the waiting crowded ran towards it.A. had …landedB. has… landedC. did… landD. was… landing38. We have been told that under no circumstances ________ the telephone in theoffice for personal affairs.A. may we useB. we may useC. we could useD. did we use39. Not until the game had begun ________ at the sports ground.A. had he arrivedB. would he have arrivedC. did he arriveD. should he have arrived40. ________ for the timely investment from the general public, our company wouldnot be so thriving.A. Had it not beenB. Were it notC. Be it notD. Should it not be41. Hubble’s law s tates the greater the distance between any two galaxies, ________is their relative speed of separation.A. the greatestB. the greaterC. greater thanD. as great as42. The worldwide race to develop an affordable synthetic fuel has so far consumedbillions of dollars and ________few results.A. yieldedB. yieldingC. yield hasD. has a yield of43. Some companies have introduced flexible working time with less emphasis onpressure ________.A. than more on efficiencyB. and more efficiencyC. and more on efficiencyD. than efficiency44. No matter how frequently ________, the works of Beethoven always attract largeaudiences.A. performingB. performedC. to be performedD. being performed45. In no circumstance can more work be got out of a machine than ________.A. is put into itB. to put it into itC. to be put into itD. that puts into it46. These proposals sought to place greater restrictions on the use and copying ofdigital information than ________ in traditional media.A. existsB. existC. existingD. to exist47. All flights________ because of the snow-storm，many passengers could donothing but take the train.A. were canceledB. having been canceledC. had been canceledD. have been canceled ?48. The?murder?was?brought?in,?with?his?hands________ behind?his?back.A.?being?tied?B.?having?tiedC.?to?be?tiedD.?tied49. ________is the center of our planetary system was a difficult concept to grasp inthe Middle Ages.A. It is the sun and not the earthB. Being the sun and not the earthC. The sun and not the earthD. That the sun and not the earthturtles find their way back to nesting areas is still a mystery.A. HowB. AlthoughC. SinceD. While51. The world’s greatest sporting event, the Olympic Games, upholds the amateurideal that ________ matters is not winning but participating.A. anythingB. itC. whatD. everything52. He claims to be an expert in astronomy, but in actual fact he is quite ignorant onthe subject. ________he knows about it is out of date and inaccurate.A. What littleB. So muchC. How muchD. So little53. Prof. Lee’s book will show you ________can be used in other contexts.A. that you have observedB. that how you have observedC. how that you have observedD. how what you have observed54. Many principles of jet propulsion apply regardless of ________air or water is the fluid used.A. whatB. thatC. whetherD. either55. Output is now six times ________ it was before 1990.A. thatB. whatC. that whichD. of that56. When I try to understand _______that prevents so many Americans from being ashappy as one might expect, it seems to be that there are two causes.A. why it doesB. what it doesC. what it isD. why it isKeys1----5 ABCBC 6----10 DACAD11---15 CDAAD 16---20 BBADC21---25 BDACD 26---30 BDBCD31---35 BCDDD 36---40 BAACA41---45 BACBA 46---50 ABDDA51---55 CADCB 56 C1-7虚拟语气8-13 情态动词14-28 形容词、副词以比较级、最高级29-30 代词及指代一致31-33 主谓一致34-41 语序与倒装42-46 省略47-48 独立主格结构49-56 名词性从句。