________ X-rays were first discovered by ________ German scientist, Wilhelm K．Rontgen, in 1895, almost by ________ accident．

试卷相关题目

• 1My laptop computer, which no one can ____________, has been out of order for a week.

  A.get gone

  B.have to go

  C.get going

  D.have gone

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• 2Quite a few people used to believe that disaster ________ if a mirror was broken．

  A.was sure of striking

  B.was sure of having struck

  C.was sure to be struck

  D.was sure to strike

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• 3The prime purpose of advert is ________ the sale of the products．

  A.promote

  B.promoting

  C.to promote

  D.both B and C

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• 4Generally speaking, if ________ according to the instructions, the electric-bike is not so dangerous as reported．

  A.riding

  B.ridden

  C.to ride

  D.to be ridden

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• 5Hard work is what it takes ________ everything well．

  A.to do

  B.doing

  C.do

  D.done

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• 6Based on what I heard, some people got really _____ by our music, and some people liked it a lot.

  A.annoying

  B.annoyed

  C.to be annoying

  D.being annoyed

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• 7The famous actor told me that _____ could be more important to him than his family.

  A.something

  B.none

  C.nobody

  D.nothing

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• 8He was deep in thought with his eyes_____ on the ceiling.

  A.fixed

  B.fixing

  C.fix

  D.to be fixing

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• 9His jewelry shop is said ____ and he can't help but____ the fact.

  A.robbing; to accept

  B.to rob; accepts

  C.to have robbed; accept

  D.to have been robbed; accept

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• 10His name was Tony and he seemed ____ like a human ____ a machine.

  A.such； than

  B.more； than

  C.so； than

  D.more； then

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