A major earthquake striking San Francisco someday is inevitable．

试卷相关题目

• 1Scientists will be able to predict the exact time of an earthquake soon．

  A.right

  B.wrong

  C.not mentioned

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• 2San Francisco is fully prepared for another big earthquake．

  A.right

  B.wrong

  C.not mentioned

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• 3Earthquakes rarely happened in San Francisco before 1906．

  A.fight

  B.wrong

  C.not mentioned

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• 4The highest speed of fault ruptures in the 1906 quake was more than 3．5 kilometers per second

  A.fight

  B.wrong

  C.not mentioned

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• 5The 1906 earthquake in San Francisco is the most severe one in American history．

  A.fight

  B.wrong

  C.not mentioned

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• 6Which of the following is closest in meaning to the word"build"in the first sentence of the second paragraph、

  A.construct

  B.extend

  C.create

  D.expand

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• 7What is the ice cover in the Arctic by the end of 2007 summer、

  A.4．2 million square kilometers

  B.11．4 million square kilometers

  C.1．13 million square kilometers

  D.38 million square kilometers

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• 8What are the reasons for the ice melting according to the scientists、

  A.strong winds and clear skies

  B.long summer and short winter

  C.open water and thin ice

  D.light clouds and light winds

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• 9Why is the ice melting from both above and below、

  A.Because extra heat warms the air．

  B.Because extra heat warms the water．

  C.Because the temperature above the water is higher．

  D.Rnth A and B．

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• 10What can be a possible title for the passage、

  A.What are scientists looking for in the Arctic Ocean、

  B.What are scientists doing in the Arctic Ocean、

  C.Why are scientists worrying about the Arctic Ocean、

  D.Why are scientists interested in the Arctic Ocean、

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