I admire Stephen Hawking greatly，whose________about black holes has a great effect on astronomy.

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• 1Liu Xiang's talent for running and his ability to learn from his experiences________greatly to his many successes in sports.

  A.owed

  B.contributed

  C.devoted

  D.related

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• 2—I had the computers repaired yesterday. —How much did they _________ for that?

  A.cost

  B.spend

  C.take

  D.charge

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• 3The old couple used to live deep in the countryside, without easy _____ to shops.

  A.arrival

  B.access

  C.transport

  D.convenience

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• 4When the students _____ the teacher about their problems, he was ready to give a helping hand.

  A.reminded

  B.consulted

  C.persuaded

  D.combined

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• 5— Can you lend me the book Gone with the Wind? — Sorry. I returned it to the library just now. Maybe it is still _________.

  A.available

  B.affordable

  C.acceptable

  D.valuable

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• 6Finding information in today's world is easy.The  ________is how you can tell if the information you get is useful or not.

  A.knowledge　

  B.ability

  C.competition　

  D.challenge

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• 7________of the people on the Net ________China's economy is among the strongest in the world.

  A.Four fifth; believes

  B.Four fifth; believe

  C.Four fifths; believe

  D.Four fifths; believes

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• 8Doctors often advise us to pay more attention to our diets and mental health and to take ________ examinations.

  A.relevant

  B.regular

  C.adequate

  D.accurate

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• 9Now that he ________ that he had made some mistakes，you should have forgiven him.

  A.excused

  B.avoided

  C.admitted

  D.agreed

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• 10I invited Joe and Linda to dinner，but ________ of them came.

  A.neither

  B.either

  C.none

  D.both

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