Once out of the earth's gravity, the astronaut is _______ by the problem of weightlessness.

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• 1The speaker _____ several other subjects in the course of his talk but mostly kept himself to the main topic.

  A.held on

  B.worked out

  C.touched on

  D.kept out of

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• 2—Why was our foreign teacher unhappy yesterday? —News about the tsunami striking her country ____ an attack of homesickness.

  A.set for

  B.set out

  C.set about

  D.set off

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• 3The Whites came here to buy some clothes and _____ on an old friend of theirs.  

  A.call

  B.for calling

  C.calling

  D.called

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• 4When college students _____ future employment, they often think of status, income, and prestige.

  A.demand

  B.assume

  C.apply

  D.anticipate

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• 5He used to ____his teaching when he was young.

  A.devote to

  B.be devoted to

  C.devoting to

  D.being devoted to

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• 6She once again went through her composition carefully to _____ all spelling mistakes from it.

  A.withdraw

  B.abandon

  C.diminish

  D.eliminate

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• 7—Hey, dear! Guess what? I've got a pay rise! —This ________ a celebration! Let's go to sing karaoke tonight.

  A.calls for

  B.works out

  C.brings about

  D.pays for

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• 8It was necessary to _____ the factory building as the company was doing more and more business.

  A.extend

  B.increase

  C.lengthen

  D.magnify

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• 9---May I ask for a leave,sir? ---sorry,the meeting _____ no absence.

  A.admits

  B.admits of

  C.admits to

  D.admits about

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• 10We hope that she will _____soon.

  A.returns back

  B.reach to home

  C.reach for

  D.pull through

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