Some researchers believe that there is no doubt ________ a cure for AIDS will be found.

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• 1Only when they were put in prison and lost freedom(自由) _________ its importance.

  A.they realized

  B.did they realize

  C.realized they

  D.had they realized

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• 2Not a single word ________ about the way he was treated, but his unhappiness was revealed through his expression.

  A.he said

  B.he has said

  C.did he say

  D.said he

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• 3— It was cloudy yesterday. —_________ today.

  A.So it is

  B.So is it

  C.Neither it is

  D.Neither is it

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• 4 _________ the past, leaving the sadness behind,  _______ you'll see the door of a new bright world open before you.

  A.Forget; and

  B.Forgetting; and

  C.Forget; /

  D.To forgetting; /

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• 5________ in the United States, St Louis has now become the 4 th largest city.

  A.It is the 24thbiggest city

  B.It was the 24thbiggest city

  C.Before the 24thbiggest city

  D.Once the 24thbiggest city

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• 6________ you eat the correct foods ________ be able to keep fit and stay healthy.

  A.Only if; will you

  B.Only if; you will

  C.Unless; will you

  D.Unless; you will

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• 7When _____ his view about his job as a teacher, Mike said he found it very interesting and rewarding.

  A.asking

  B.asked

  C.having asked

  D.to be asked

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• 8－What's the matter? －Just in front of the bus ________ an injured man, all covered with blood.

  A.where lies

  B.does lie

  C.lies

  D.lying is

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• 9There is no doubt ______ you'll be warmly welcomed by people there.

  A.if

  B.whether

  C.that

  D.about

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• 10By the side of the Bird's Nest ________ , completed in 2008.

  A.there standing the Water Cube

  B.stands the Water Cube

  C.does the Water Cube stand

  D.the Water Cube stands

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