________ private cars are bringing us convenience, they may also cause more traffic accidents and pollution.

试卷相关题目

• 1--- It's a long time ______ I saw you last. -----Yes, and what a pity it is now that it will be a long time _____ we see each other again.

  A.since; when

  B.before; since

  C.when; before

  D.since; before

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• 2 _______ advertisements are of great help, I don't think we should entirely rely on them.

  A.Since

  B.While

  C.Because

  D.As

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• 3The businessman is very modest about his success. He says it's _____ the result of good luck as of his own diligence.

  A.more than

  B.so much

  C.more

  D.as much

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• 4Experts are trying to work out a plan to deal with the problems caused by global warming _________ it is too late.

  A.if

  B.before

  C.when

  D.until

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• 5When you get on stage for the first time, you may be surprised by ______ bright the lights are.

  A.what

  B.so

  C.how

  D.too

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• 6Many teenagers say that _____ they have a lot of friends, they really have no best friend.

  A.when

  B.while

  C.if

  D.because

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• 7________ I can't understand is ________ he wants to change his mind.

  A.that; that

  B.what; why

  C.which; what

  D.what; 不填

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• 8–I drove to Zhuhai for the air show last week. -Is that _______ you had a few days off?

  A.why

  B.when

  C.what

  D.where

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• 9According to the rules of the factory, you can ask for leave ________ you have a doctor's diagnosed note.

  A.now that

  B.on condition that

  C.unless

  D.even though

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• 10______ more and more people may refer to the Internet for up-to-minute news, the newspaper will not disappear.

  A.When

  B.While

  C.Since

  D.As

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