The scientists are now trying to discover what use could be ____ such material.

试卷相关题目

• 1China ____ a large amount of money and clothing to Haiti when they were struck by the terrible earthquake.

  A.gave up

  B.gave out

  C.gave away

  D.gave off

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• 2— What's wrong with him? — The picture he came across _____ his memory of a sad story in his childhood.

  A.put off

  B.took off

  C.set off

  D.gave off

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• 3The campers ____ the tent first, and built the fire outside it.

  A.set out

  B.set off

  C.set down

  D.set up

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• 4The show had to be ______ because of poor audiences.

  A.taken off

  B.taken over

  C.taken up

  D.taken to

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• 5— Have you _____? — No. I had the wrong number.

  A.got it

  B.got away

  C.got off

  D.got through

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• 6After class my friend, Jason, ____ different ball games at school.

  A.plays a part

  B.takes an active part in

  C.is actively in

  D.joins

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• 7The scientist has been greatly successful in the experiment that he _____ to do three years ago.

  A.set off

  B.set down

  C.set out

  D.set about

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• 8He asked us to ____ him ____ carrying through his plan.

  A.help; in

  B.help; on

  C.assist: in

  D.assist; on

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• 9On Halloween, children in America like to _____ as ghosts to frighten people.

  A.make up

  B.put on

  C.dress up

  D.spy on

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• 10— Did you get a ticket?— No, I_______, but there wasn't any left.

  A.had to

  B.attempted to

  C.decided to

  D.managed to

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