______children get older, Doherty said, their brains may develop the ability to identify visual context.

试卷相关题目

• 1We were about to go out for a walk ______ it began to rain.

  A.while

  B.before

  C.as

  D.when

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• 2There's some doubt __________he'll keep his promise.

  A.whether

  B.when

  C.that

  D.which

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• 3I wouldn't lose courage ______ I should fail ten times.

  A.in order

  B.so that

  C.even if

  D.as if

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• 4－Have you known each other for long? －Not very long, ____________ we started to work in the company.

  A.after

  B.before

  C.when

  D.since

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• 5 ______ we can't remove our troubles in life forever, we can leave them behind when we are on vocation.

  A.When

  B.While

  C.Unless

  D.Until

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• 6I'll finish the job ____ I come across great difficulty.

  A.however

  B.even though

  C.no matter

  D.as though

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