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- 31The chief reason for the population growth isn't so much a rise in birth rates a fall indeath rates as a result of improvements in medical care.
A.and
B.or
C.but
D.as
开始考试练习点击查看答案 - 32The United States discovered in 1982 that about one-fifth of its farmland topsoil at arate likely to diminish the soil’s productivity.
A.is losing
B.to be lose
C.was losing
D.being lost
开始考试练习点击查看答案 - 33Any academic breaktlirough, , does not automatically ensure that it can be applied topractice.
A.as it may be brilliant
B.brilliant as it may be
C.brilliant however it may be
D.whatever brilliant it may be
开始考试练习点击查看答案 - 34Which of the following tag questions is INCORRECT?
A.Go home with me, will you?
B.Nobody goes out, does he?
C.Few people know this place, don’t they?
D.Everything is done, isn't it?
开始考试练习点击查看答案 - 35These proposals sought to place greater restrictions on the use and copying of digital informationthan in traditional medi
A.A. exist
B.exists
C.existing
D.to exist
开始考试练习点击查看答案 - 36In some parts of this city, missing a bus means for another hour.
A.to wait
B.waiting
C.wait
D.to be waited
开始考试练习点击查看答案 - 37As I'll be away for at least a year, I'd appreciate from you now and then telling me howeveryone is getting along.
A.hearing
B.to hear
C.to be hearing
D.having heard
开始考试练习点击查看答案 - 38If I were in a movie, then it would be about time that I my head in my hands for a cry.
A.bury
B.am bury
C.buried
D.would bury
开始考试练习点击查看答案 - 39Not for a moment the truth of your explanation about the event.
A.we have doubted
B.did we doubt
C.we had doubted
D.doubted we
开始考试练习点击查看答案 - 40These two areas are similar they both have a high rainfall during this season.
A.except that
B.in that
C.besides that
D.to that
开始考试练习点击查看答案