The committee report of National Academy of Sciences in Washington reveal that____.

试卷相关题目

• 1Which one is NOT mentioned in this passage that can be the source of carbon dioxide、

  A.Oil.

  B.Trees.

  C.Woo

  D.D.Soil.

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• 2The word "passage" (Line 2, Par

  A.8) means____.A.gate

  B.channel

  C.cross

  D.paragraph

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• 3What does "this information" (in paragraph 7) refer to、

  A.Soft tissues.

  B.Bone.

  C.Markings.

  D.Nos

  E.

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• 4Which of the following may not be a reason why Professor Witmer studies crocodiles and lizards in his experiments、

  A.They are close relatives to dinosaurs.

  B.Their soft tissues survive as fossil remains.

  C.Their soft tissues have similar traits with dinosaurs.

  D.He cannot find living dinosaurs.

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• 5One advantage with Nostrils high on the head is to ____.

  A.use sense of smell more efficiently

  B.help them move fast and alert

  C.enable them to find more food

  D.help them live under water more easily

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• 6According to this passage, those people disagree with the control of carbon dioxide because____.

  A.they think that carbon is beneficial for plant growth

  B.they want to use more fuels that can emit carbon dioxide

  C.they think carbon dioxide is not the main reason for global warming

  D.they think it will destroy the natural balance of gases in the world

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• 7The word "issue" in the last paragraph can be replaced as ____.

  A.organ

  B.topic

  C.publication

  D.result

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• 8Those studies carried out in North Carolina suggest that ____.

  A.trees' function for absorbing carbon dioxide is limited

  B.carbon dioxide is the main cause for global warming

  C.leaves falling from trees can emit more oxygen

  D.more carbon dioxide is beneficial for trees' growth for many decades

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• 9In the ____ of my doctor, I should be well enough to travel by next week.

  A.opinion

  B.conviction

  C.judgment

  D.idea

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• 10She ____ her wedding presents on the table.

  A.presented

  B.displayed

  C.exhibited

  D.demonstrated

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