_________ many times, but he still couldn't understand it.

试卷相关题目

• 1It wasn't a few years _________we met each other.

  A.since

  B.before

  C.until

  D.after

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• 2Barrack Obama's recent visit to the Asian nations clearly sent a message to the world _____ Asia is important in America's global partnership.

  A.which

  B.where

  C.that

  D.what

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• 3The real threat of fraud(欺诈) on the Internet has highlighted the fact ________ consumers fear shopping on line.

  A.what

  B.that

  C.when

  D.which

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• 4__________ she couldn't understand was_________more and more students showed little interest in their lessons.

  A.What; why

  B.That; what

  C.What; because

  D.Why; that

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• 5Many of them turned a deaf ear to his advice ______ they knew it to be valuable.

  A.as if

  B.now that

  C.even if

  D.so that

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• 6You can get the best result ________ you carry out the experiment under the desired conditions.

  A.what if

  B.even if

  C.only if

  D.as if

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• 7The mayor of a small town in southern Italy has forbidden residents to die, ______ there is no graveyard for them to be buried in.

  A.as if

  B.because

  C.if

  D.where

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• 8 _______ the occasional visit, what else does Alan do for his kids?

  A.Except

  B.In spite of

  C.Apart from

  D.Beside

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• 9________difficulties we may come across, we'll help one another to overcome them.

  A.Wherever

  B.Whatever

  C.However　

  D.Whenever

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• 10Don't start reading a book ________ you find that it's one you can read with ease and understanding.

  A.when

  B.if

  C.unless

  D.though

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