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1、[单选题]Most people come to realize that it is about time the government ______ further measures to control the population.
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A.must take
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B.is taking
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C.takes
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D.took
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2、[单选题]This is the most difficult book ______ .
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A.what I have ever read
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B.which I have ever read
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C.I have ever read it
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D.that I have ever read
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3、[单选题]He has made another wonderful discovery, ______ of great importance to science and man.
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A.which I think is
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B.which I think it is
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C.of which I think it is
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D.I think which is
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4、[单选题]Frankly speaking, I’d rather you ______ anything about it for the time being.
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A.didn’t do
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B.have done
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C.do n’t do
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D.haven’t done
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5、[单选题]______ as much as one-fourth of all timber harvested is not used proved to be false.
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A.The estimate
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B.It is estimated that
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C.They are estimated
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D.The estimate that
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6、[单选题]To my surprise, ____ turned out that Susan failed in the examination.
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7、[单选题]It is essential that the application form ______ before Friday morning.
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A.shall be handed in
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B.be handed in
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C.will be handed in
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D.must be handed in
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8、[单选题]The students didn’t manage to work out the problem ______ their teacher had explained how.
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A.when
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B.until
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C.unless
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D.as
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9、[单选题]It’s a pity that we should stay at home when we have ______ weather.
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A.so fine
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B.so fine a
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C.such a fine
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D.such fine
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10、[单选题]A new television program teaches children ______ can and should think about career development.
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A.what
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B.that they
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C.both
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D.whom they
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11、[单选题]Only by shouting at the top of his voice ______.
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A.he was able to make himself hear
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B.he was able to make himself heard
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C.was he able to make himself heard
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D.was he able to make himself hear
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12、[单选题]The heavy snow could not keep us ______ going out to work.
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13、[单选题]Such a device ______ he was given proved almost worthless.
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A.as
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B.like
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C.that
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D.which
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14、[单选题]The traditional approach ______with complex problems is to break them down into smaller ones.
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A.in dealing
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B.to dealing
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C.dealing
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D.to deal
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15、[单选题]In order to search for the escaped prisoner, the police decide to question _____ comes along this road.
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A.who
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B.whom
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C.whoever
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D.whomever
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