Grasses and flowers in desert are able to survive because they stay in the form of seeds to wait for the right amount of water to come.

试卷相关题目

• 1Ordinary plants are unable to survive in the desert mainly because of the changeable weather.

  A.Right

  B.Wrong

  C.Not mentioned

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• 2It's impolite to <u>cut in</u> when two persons are holding a conversation

  A.leave

  B.talk loudly

  C.standup

  D.interrupt

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• 3During his lifetime he was able to <u>accumulate</u> quite a fortune.

  A.control

  B.spend

  C.collect

  D.exchange

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• 4The chemical is <u>deadly</u> to rats but safe to cattle.

  A.fatal

  B.hateful

  C.good

  D.useful

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• 5The conference <u>explored</u> the possibility of closer trade links.

  A.denied

  B.investigated

  C.stressed

  D.created

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• 6Grasses and flowers in the desert whose life cycles are short shows their ability to adapt to the quick disappearance of rainwater there after it falls in spring.

  A.Right

  B.Wrong

  C.Not mentioned

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• 7Winter is the toughest season for grasses and flowers to survive in desert

  A.Right

  B.Wrong

  C.Not mentioned

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• 8The shoot system of perennials can help the plants absorb less of the sun's ray.

  A.Right

  B.Wrong

  C.Not mentioned

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• 9The theme of the second last paragraph is why the perennials can survive as plants for several years.

  A.Right

  B.Wrong

  C.Not mentioned

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• 10Desert perennials lose their leaves after the rainy season just as trees lose theirs in wetter climates before winter arrives, but the reasons for this feature are different.

  A.Right

  B.Wrong

  C.Not mentioned

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