The reason for their unusual behavior remains a __puzzle__.

试卷相关题目

• 1Sometimes it is __advisable__ to book hotels in advance

  A.possible

  B.profitable

  C.wise

  D.easy

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• 2Jack eventually __overtook__ the last truck.

  A.passed

  B.hit

  C.reached

  D.led

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• 3The scientists began to __accumulate__ dat

  A.A.handle

  B.collect

  C.analyze

  D.investigate

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• 4With __immense__ relief, I stopped running.

  A.enormous

  B.some

  C.little

  D.extensive

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• 5She is __slender__, with delicate wrists and ankles

  A.sick

  B.weak

  C.pale

  D.slim

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• 6Many American women have a poor knowledge of cancer

  A.Right

  B.Wrong

  C.Not mentioned

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• 7People with no family history of cancer are unlikely to develop cancer

  A.Right

  B.Wrong

  C.Not mentioned

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• 8More women are dying from cancer than men in America

  A.Right

  B.Wrong

  C.Not mentioned

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• 9Most American women know too little about how to lower their cancer risk

  A.Right

  B.Wrong

  C.Not mentioned

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• 10Some American women are just unwilling to change their lifestyles.

  A.Right

  B.Wrong

  C.Not mentioned

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