As nobody here knows what is wrong with the machine，we must send for an engineer to______the problem.

试卷相关题目

• 1It is in their ability to speak________humans________from animals.

  A.which；differ

  B.that；different

  C.which；different

  D.that；differ

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• 2He couldn't _______  his father that John was telling the truth.   

  A.convince

  B.believe

  C.admit

  D.display

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• 3The girl____ to figure out the boy's attitude towards her but without success .

  A.managed

  B.succeeded

  C.attempted

  D.predicted

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• 4Mr Smith________his living by teaching ten years ago and he________greatly from his work.

  A.earned; earned

  B.earned; gained

  C.gained; gained

  D.gained; earned

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• 5-Have you________your father to give up smoking?-No,I talked to him many times but he would not accept my advice.

  A.persuaded

  B.advised

  C.promised

  D.suggested

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• 6— Hi, Peter.Long time no see.— Oh, it's you, Jack.I'm sorry I didn't ________you at first.

  A.know

  B.recognize

  C.remember

  D.realize

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• 7Da Vinci was________as one of the greatest artists because of his paintings.

  A.recognized

  B.realized

  C.looked

  D.thought

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• 8You should________your spare time better if you want to be promoted.

  A.take

  B.employ

  C.cost

  D.improve

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• 9— Are you________me of lying to the headmaster?— I'm sure you did.

  A.accusing

  B.scolding

  C.reminding

  D.telling

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• 10At times the balance in nature is________, resulting in a number of possibly unforeseen effects.

  A.confused

  B.puzzled

  C.disturbed

  D.troubled

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