Evidence came up________special speech sounds can be recognized by babies as young as 6 months old.

试卷相关题目

• 1The meaning of the word 'nice' changed a few tines _______ it finally came to include the sense 'pleasant.' 

  A.before

  B.after

  C.since

  D.while

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• 2Exactly______ the potato was introduced into Europe is uncertain, but it was probably around 1565.

  A.whether

  B.why

  C.when

  D.how

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• 3 Provide your doctor with a detailed medical history________he can give you accurate treatment.

  A.even if　

  B.in case

  C.so that 　

  D.as though

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• 4Don't be afraid of asking for help _______ it is needed.

  A.unless

  B.though

  C.although

  D.when

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• 5I was so familiar with her that I recognized her voice ______ I picked up the phone.

  A.the moment

  B.after

  C.before

  D.while

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• 6 _______ regular exercise is very important, it's never a good idea to exercise too close to bedtime.

  A.It

  B.As

  C.Although

  D.Unless

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• 7 ______ Stephon Marbury is an American, he has become a role model among Beijing  basketball fans.

  A.As

  B.Although

  C.When

  D.Since

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• 8Catherine's mother doesn't allow her to go anywhere outside the town ________ another member of the family is along.

  A.without

  B.if

  C.unless

  D.with

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• 9How can you expect him to make any progress ________ you never give him a chance to have a try?

  A.when

  B.unless

  C.even though

  D.until

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• 10____________ your father saw you, what would he say?

  A.If

  B.Suppose

  C.Unless

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