I had been puzzled over the problem for over an hour without any result, ____ all at once the solution flashed across my mind.

试卷相关题目

• 1I wrote some notes about the meeting _____ it was reasonably fresh in my mind.

  A.if

  B.while

  C.though

  D.before

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• 2Substances will expand or contract ______ heated or cooled, but this is not the case with water.

  A.when they will be

  B.if they will be

  C.as they being

  D.when

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• 3_____ you don't lose heart, it will be easy for you to overcome the difficulties.

  A.As well as

  B.So long as

  C.So far as

  D.As soon as

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• 4All people, _______ they are old or young, black or white, all had the same dream to have a peaceful world.

  A.whether

  B.however

  C.no matter

  D.even though

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• 5________ we'll go rafting tomorrow depends on the weather.

  A.If

  B.Whether

  C.That

  D.Where

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• 6The engineers are going on with their highway project, _____the expenses have risen.

  A.even though

  B.just because

  C.now that

  D.as though

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• 7Can you still remember the days_________we spent together in Chongqing last summer?

  A.in which

  B.when

  C.that

  D.on which

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• 8Rich as he is, he is not particular about________he eats and drinks.

  A.which

  B.what

  C.that

  D.these

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• 9Have you ever been in a situation _____ you know the other person is right yet you cannot agree with him?

  A.by which

  B.that

  C.in where

  D.where

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• 10When we talk about Chinese cities , the first _____comes into our minds is Beijing

  A.city

  B.one

  C.that

  D.of them

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