By giving the example of dinosaurs , the author tries to prove ________ .

试卷相关题目

• 1Why can’t the northern half of the earth escape for long 、

  A.Because the land is covered with water

  B.Because the light and heat from the sun can not reach the earth .

  C.Because people there can not live at the temperature of zero .

  D.Because wars break out among countries .

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• 2When the first piece hits the South Atlantic , it causes  ________  .

  A.an earthquake

  B.damages to cities

  C.an Earth explosion

  D.huge waves

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• 3What is mainly described in the passage 、

  A.A historic discovery .

  B.An event of imagination

  C.A research on space .

  D.A scientific adventure .

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• 4The beautiful hopes will never be destroyed because  ________ .

  A.people love beautiful things by nature

  B.people have a strong desire to seek personal gains

  C.small businesses make big money each year in the US

  D.small businesses have advantages over big companies

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• 5The expression “negative picture” most probably means “  ________ “.

  A.a terrible experience

  B.a poor picture

  C.limited freedom

  D.unpleasant situations

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