The scientists are beating their brains trying to _______ a solution to the problem.

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• 1She can't get down to work because she was deeply ________ by the news of his death.

  A.affected

  B.surprised

  C.harmed

  D.charged

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• 2Columbus _________ the New World in 1492.

  A.discovered

  B.found

  C.found out

  D.looked for

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• 3-----How much will I pay for a night? ------Prices___________from room to room.

  A.vary

  B.arrange

  C.divide

  D.range

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• 4—I'm still working on my project. —Oh, you'll miss the deadline. Time is _______  .

  A.running out

  B.going out

  C.giving out

  D.losing out

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• 5--Mom, guess what? I've won the 1st prize! ---This _______ a celebration! Let's go to prepare a party．

  A.helps out

  B.works out

  C.calls for

  D.pays for

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• 6I was so excited at the news that I could hardly _____ my feelings in words.

  A.carry

  B.communicate

  C.transmit

  D.convey

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• 7The money collected should be made good use ____________ the people in South Asia who suffered a lot in the earthquake and the tsunami (海啸).

  A.of helping

  B.to help

  C.to helping

  D.of to help

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• 8Maybe you could be an inventor ---- maybe even good enough to ______ an idea for the next iPhone or new medicine for cancer.

  A.put up with

  B.keep up with

  C.catch up with

  D.come up with

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• 9His father demands that he not go to any country _________ China, which is his motherland.

  A.rather than

  B.more than

  C.other than

  D.better than

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• 10It's believed ______40% of stars, like the sun, may have planets that orbit them.     

  A.as many as

  B.as much as

  C.many more

  D.much more

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