unit 2

　　21. He was very busy yesterday; otherwise he___ to the meeting.

　　A. would have ***e B. would ***e C. could ***e D. had ***e

　　22. You can't hear what I'm saying ____ you stop talking.

　　A. only if B. unless C. lest D. except that

　　23. Sorry I can't answer your question. I know____ about the subject.

　　A. a little B. some C. little D. few

　　24. I ____ get this done immediately or it will be too late.

　　A. must B. can C. may D. might

　　25. He____ working till he was seventy years old.

　　A. kept up B. kept on C. kept to D. kept out

　　26. You ought to take every___ of improving your English.

　　A. time B. thing C. chance D. case

　　27. ____ from space, our earth, with water covering 70% of its surface, appears as a "blue pla***".

　　A. Seen B. Seeing C. To be seen D. Having seen

　　28. The novel ended happily, and the young couple was married____.

　　A. in the final B. in the end C. 'to the last D. in conclusion

　　29. The building___ mostly undamaged after the earthquake, and only minor repairs were necessary.

　　A. discovered B. lasted C. consisted D. remained

　　30. He is an honest official and never any gifts from people who sought his help.

　　A. received B. accepted C. expected D. took up

　　31. He stood waving until the train was out of _____.

　　A. sight B. glimpse C. scene D. reach

　　32. It is important to____ people with respect and understanding.

　　A. treat B. attend C. care D. touch

　　33. The preparations for the trip will be____ till next week.

　　A. put out B. put over C. put off D. put up

　　34. Parking is a big problem____.

　　A. the traffic is so B. is so the traffic

　　C. so the traffic is D. so is the traffic

　　35. Nobody can be set in motion without a force _____ on it.

　　A. act B. to act C. acting D. acted

　　36. I know a number of occasions____ people died from water pollution.

　　A. how B. as C. when D. where

　　37. Dirty water must not be _____ with drinking water.

　　A. joined B. linked C. mixed D. ***bined

　　38. The main road through the city was blocked for three hours today after an accident__ __ two buses.

　　A. containing B. connecting C. including D. involving

　　39. Will you go to the meeting ____ visiting the museum please?

　　A. or B. and C. to D. instead of

　　40. Smith is to study medicine as soon as he ____ military service.

　　A. will finish B. has finished C. finish D. would finish

　　41. If a metal bar is heated, the greater the heat ____, the larger the expansion.

　　A. applied B. being applied C. applying D. is applied

　　42. They did not discover until later____ the car had been destroyed.

　　A. as B. than C. which D. that

　　43. He has already made up his mind. It's no use ____ him.

　　A. try to persuade B. trying to persuade

　　C. to try to persuade D. to try persuading

　　44. It is much easier to talk about social change than____.

　　A. to bring it about B. to bring it on C. to bring it up D. to bring it out

　　45. ____ seems easy in theory seems difficult in practice.

　　A. That B. With C. What D. It

　　46. The house is dark; the Browns_____ to bed.

　　A. may go B. should go

　　C. should have gone D. must have gone

　　47. This is a mistake which is typical ____ beginners.

　　A. for B. of C. to D. with

　　48. There may be, somewhere outside the solar system, intelligent life ____ messages to us.

　　A. sends B. sent C. sending D. has sent

　　49. Please be sure to telephone me the next time you____.

　　A. will ***e B. would ***e C. shall ***e D. ***e

　　50. All the machines____ by the end of the following week.

　　A. were repaired B. will be repaired

　　C. have been repaired D. will have been repaired

　　51____ is well known, light, like heat, is a form of energy.

　　A. It B. what C. Just as D. As

　　52. You should turn off all the water tonight ____ freezes and the pipes burst.

　　A. in some cases it B. in case it C. in that case it D. in any case it

　　53. Music often____ us of events in the past.

　　A. reminds B. memorizes C. remembers D. reflects

　　54. He didn't know I was in his office. He was too busy to____ me.

　　A. pay attention to B. notice C. know D. realize

　　55. Does it____ much to have the bicycle repaired?

　　A. pay B. spend C. cost D. ask

　　56. You should act _____ the advice of your doctor.

　　A. to B. on C. at D. as

　　57. There was a teapot fashioned like a China duck, out of ____ open mouth the tea was supposed to ***e

　　A. which B. its C. that D. whose

　　58. Beijing is now busy___ the Olympic Games which is to be held in the year 2000.

　　A. preparing for B. prepared for C. to prepare for D. prepare for

　　59. The scientist didn't mind ____and went on with his investigation.

　　A. laughing at B. to be laughed at

　　C. being laughed at D. laughed at

　　60. If you____ that late movie last night, you wouldn't be so sleepy.

　　A. hadn't watched B. haven't watched

　　C. wouldn't have watched D. didn't watch

　　nit 2

　　21-25 ABCAB 26-30 CABDB 31-35 AACDC 36-40 CCDDB

　　41-45 ADBAC 46-50 DBCDD 51-55 DBABC 56-60 BDACA