A number of new machines were introduced from abroad，______ an increase in production.

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• 1.Please make my excuse at tomorrow's meeting. I've got too much work _____.

  A.to do to come

  B.doing coming

  C.to do coming

  D.doing to come

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• 2____twice a year, whether it is a car or a bus or a truck, is the rule that every driver must obey in this city.

  A.Examining

  B.Examined

  C.Being examined

  D.Having been examined

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• 3_____ with the size of the whole earth，the biggest ocean does not seem big at all.

  A.Compare

  B.Having compared

  C.Comparing

  D.Compared

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• 4To succeed in a scientific experiment _____ .   

  A.carefulness is need

  B.carefulness is one needs

  C.one needs to be careful

  D.one need being careful

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• 5--Do you know the man ___ John Brown? ---I only know ___ he is called.

  A.called, how

  B.called, what

  C.who called, how

  D.whom called, what

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• 6— Did Peter fix the computer himself? — He __________, because he doesn't know much about computers.

  A.has it fixed

  B.had fixed it

  C.had it fixed

  D.fixed it

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• 7The country has already sent up three unmanned spacecraft, the most recent __________ at the end of last March.

  A.has been launched

  B.having been launched

  C.being launched

  D.to be launched

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• 8Two years later, her brother disappeared in the war, never ________ again.

  A.hearing from

  B.to be heard from

  C.to hear from

  D.being heard from

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• 9Police are now searching for a woman who is reported to __________ since the flood hit the area last Friday.

  A.have been missing

  B.have got lost

  C.be missing

  D.get lost

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• 10The children talked so loudly at dinner table that I had to struggle __________.

  A.to be heard

  B.to have heard

  C.hearing

  D.being heard

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