________ some teenagers don't realize is ________ difficult life can be after they get addicted to drugs.

试卷相关题目

• 1Mobile phone  users have developed a series of symbols, such as  and  to show ________ they feel.

  A.which

  B.when

  C.how

  D.why

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• 2________ he could call the police, the thieves had run away with the suitcase, leaving him shocked and helpless.

  A.Before

  B.Until

  C.Because

  D.Unless

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• 3________ the civil service has its obvious advantages，it doesn't necessarily suit everyone.

  A.While

  B.Because

  C.Since

  D.When

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• 4Our society insists on regular habits, timekeeping and punctuality, and whether we like it or not, ________ we mean to make our way in society, we have to comply (to act in accordance with a demand, rule, etc.) its demands.

  A.whether

  B.after

  C.if

  D.until

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• 5How can they expect to learn anything ________ they never listen?

  A.whether

  B.when

  C.but

  D.unless

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• 6Be sure to take a trip to the Wadesell．________ it's a long drive on a dirt road，it's well worth the trouble．

  A.Only if

  B.Now that

  C.Even though

  D.In case

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• 7A ban is called for by the residents __________ people shouldn't walk dogs in that square．

  A.what

  B.whether

  C.why

  D.that

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• 8—I think George doesn't really care for TV plays. —Right, ________he still watches the program.

  A.and

  B.but

  C.or

  D.so

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• 9_______ didn't attend the lecture yesterday won't be given full marks.

  A.Any one

  B.Whoever

  C.Who

  D.The person

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• 10Inside the White House, there is a room called the Oval Office. That's ________ President Obama works.

  A.why

  B.where

  C.what

  D.how

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