Last summer I took a course on ______ poisonous gases.

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• 1Many parents complain that children ______ the TV hopelessly.

  A.are becoming addicted with

  B.have become addicted to

  C.have become addicted with

  D.have addicted to

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• 2—Mike, you don't seem to be quite ______ today. —Well, I hardly slept last night. I was preparing for a report.

  A.itself

  B.ourselves

  C.you

  D.yourself

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• 3Scientists are convinced _____the positive effect of laughter _____physical and mental health．

  A.of ;on

  B.by; in

  C.of ; at

  D.on ;at

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• 4–Why must you go shopping in such weather? –My coffee has _____.

  A.run out of

  B.given out

  C.given away

  D.used up

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• 5An audience's humorous words made us ______, so the lecturer couldn't make himself 　　　　.

  A.laugh; hearing

  B.laugh; heard

  C.laughing; hear

  D.laughed; to be heard

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• 6What ______ will it ______ whether you are a boy or a girl? As long as you set your mind to it, nothing can be difficult.

  A.differences, tell

  B.sense, make

  C.difference, make

  D.use, make

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• 7The three sisters decided to hold a family party to ______ their parents' silver wedding.

  A.welcome

  B.congratulate

  C.memorize

  D.celebrate

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• 8Fully __________ in looking after three children at home, she no longer has time to enjoy the various activities in the club.

  A.occupied

  B.contributed

  C.attached

  D.devoted

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• 9My parents ____in 1956, they _____for 20 years.

  A.married, married

  B.married, have got married.

  C.got married, have been married

  D.married, got married

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• 10Could you give me a hand? It seems that my strength has _________.

  A.used up

  B.been given out

  C.run out

  D.been run out

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