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

试卷相关题目

• 1He was dismissed from school because of ____ the rule that alcohol is banned from all buildings.

  A.he violated

  B.he violating

  C.his violated

  D.his violating

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• 2Tom has agreed to let me use his computer to surf the Internet, and ____ I' m treating him to a good dinner at the newly-built restaurant just around the corner．

  A.in charge

  B.in place

  C.in return

  D.in turn

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• 3The little girl was allowed to go swimming ____ she must keep herself near her father.

  A.when

  B.in case

  C.in order that

  D.on condition that

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• 4It is said that about 60% of housewives have a brand ______ before entering the store．

  A.in mind

  B.on sale

  C.in possession

  D.on purpose

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• 5They had a pleasant chat ________ a cup of coffee.　　

  A.for

  B.during

  C.over

  D.with

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• 6Plastic surgery definitely does harm to individuals mainly because the patients will have to take risks ______ damaging their health．

  A.in

  B.on

  C.at

  D.of

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• 7He has little acquaintance _______ music , while he has a wide knowledge ____ painting．

  A.with ; of

  B.of ; about

  C.with ; about

  D.of ; of

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• 8The author believes that it is the test system,________ the teachers, that is to blame for the heavy burden of middle school students.

  A.other than

  B.or rather

  C.rather than

  D.more than

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• 9_____ you are my best friend, I'll tell you the secret, but it is only between you and me.

  A.Because of

  B.According to

  C.Now that

  D.As if

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• 10American English has changed ________ time．There are several reasons ________ this.

  A.over; for

  B.for; with

  C.in; of

  D.during; about

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