Up to now, no one has come up with a（n）______ explanation of why dinosaurs died out, and it remains a mystery．

试卷相关题目

• 1All animals in nature must learn to ______ to a changing environment in order to survive.

  A.attach

  B.adapt

  C.respond

  D.turn

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• 2Weixin, a new popular social networking application, especially _______ most young mobile users.

  A.focuses on

  B.appeals to

  C.depends on

  D.attracts to

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• 3Our English teacher often creates a(n) ______ in class for us to communicate like native speakers

  A.situation

  B.condition

  C.position

  D.occasion

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• 4It is really important for parents to reach a _______ between what they want and what their kids desire.

  A.conclusion

  B.compromise

  C.communication

  D.consensus

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• 5Every time I take part in a friend's big party. I always go to talk to those who just sit alone so that they don't feel_____.

  A.let out

  B.wiped out

  C.made out

  D.left out

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• 6The government has been under growing pressure to ______ the causes of air pollution as smog frequently smothers the country's large cities．

  A.release

  B.schedule

  C.address

  D.maintain

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• 7Bob ______ a lot of Japanese when he watched Japanese cartoons at a younger age.

  A.picked up

  B.took up

  C.made up

  D.turned up

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• 8From his ______ look, we could see the boy was ______ of the stranger.

  A.terrified; terrified

  B.terrifying; terrifying

  C.terrifying; terrified

  D.terrified; terrifying

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• 9We'd better grow the plant in a ________ plastic box so that the children can see the roots growing.

  A.safe

  B.square

  C.transparent

  D.thick

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• 10Our English teacher often tells us that the meaning of a new word may be ______ according to the given context.

  A.picked out

  B.ruled out

  C.brought out

  D.taken out

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