21.While people may refer to television for up-to-the-minute news, it is unlikely that

television______ the newspaper completely. (95.6/48)

A. will replace B. have replaced C. replace D. replaced

22.The fifth generation computers, with artificial intelligence, _______ and perfected now.

(96.1/21)

A. developed B. have developed C. are being developed D. will have been developed

23.It’s reported that by the end of this month the output of cement in the factory_______ by about

10%. (96.1/39)

A. will have risen B. has risen C. will be rising D. has been rising

24.Sir Dennis, who is 78, has made it known that much of his collection ______¬ to the nation.

(96.6/24)

A. has left B. is to leave C. leaves D. is to be left

25.Before the first nonstop flight made in 1949, it_______ necessary for all planes to land for

refueling. (96.6/25)

A. would be B. has been C. had been D. would have been

26.Until then, his family ______ from him for six months. (97.1/21)

A. didn’t hear B. hasn’t been hearing C. hasn’t heard D. hadn’t heard

27.The conference_______ a full week by the time it ends. (97.1/22)

A. must have lasted B. will have lasted C. would last D. has lasted

28.Great as Newton was, many of his ideas______ today and are being modified by the work of

scientists of our time. (97.1/40)

A. are to challenge B. may be challenged C. have been challenged D. are challenging

29.It seems oil______ from this pipe for some time. We’ll have to take the machine apart to put it

right. (97.6/45)

A. had leaked B. is leaking C. leaked D. has been leaking

30.Once environmental damage ______, it takes many years for the system to recover. (97.6/50)

A. has done B. is to do C. does D. is done

31.Neither of the young men who had applied for a position in the university ______. (98.1/33)

A. has been accepted B. have been accepted C. was accepted D. were accepted

32.The last half of the nineteenth century______ the steady improvement in the means of travel.

(98.6/41)

A. has witnessed B. was witnessed C. witnessed D. is witnessed

33.If she doesn’t tell him the truth now, he’ll simply keep on asking her until she ______.

(98.6/53)

A. does B. has done C. will do D. would do

34.My train arrives in New York at eight o’clock tonight. The plane I would like to take from there_______ by then. (99.1/47)

A. would leave B. will have left C. has left D. had left

35.A thief who broke into a church was caught because traces of wax, found on his clothes, _____

from the sort of candles used only in churches. (99.6/63)

A. had come B. coming C. come D. that came

36.She ought to stop work; she has a headache because she_______ too long. (00.1/41)

A. had read B. read C. is reading D. has been reading

37.---“ May I speak to your manager Mr. Williams at five o’clock tonight?”(00.6/41)

--- “ I’m sorry, Mr. Williams______ to a conference long before then.”

A. had gone B. would have gone C. has gone D. will have gone

38.The growth of part-time and flexible working patterns, and of training and retraining schemes, ______ more women to take advantage of employment opportunities.(00.6/43)

A. allow B. allows C. allowing D. have allowed

39.By the time he arrives in Beijing, we______ here for two days. (01.6/31)

A. will have stayed B. shall stay C. have been staying D. have stayed

40.Such crimes may be so complex that months or years go by before anyone _______ them.

(03.1/31)

A. discovered B. will discover C. would have discovered D. discovers

答案

ACADC DBCDD CCBBA DDBAD