What is the critical factor of forming a fault、

试卷相关题目

• 1Which is TRUE according to the passage、

  A.There were four magnitude 6 earthquakes in the San Francisco Bay region between1979 and1989.

  B.The accumulating strain of the fault to a certain level results in the earthquake.

  C.About 68 years after 1911, no earthquakes occurred in the San Francisco Bay region.

  D.The fast increasing population on the earth is the main cause of the earthquak

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• 2That scientists study the history of large earthquakes in certain areas is to ultimately_________.

  A.do research on the past frequency of large earthquakes

  B.estimate the magnitude of similar earthquakes

  C.forecast the possibilities of similar earthquakes

  D.judge the specific location of future earthquakes

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• 3What does the passage mainly talk about、

  A.What an earthquake is like.

  B.How to predict earthquakes.

  C.Where earthquakes often happen.

  D.When a fault is formed.

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• 4The best title for the passage would be _______.

  A.Are Sharks Dangerous、

  B.Sharks And Humans

  C.Sharks: Humans’ Friends

  D.Sharks Help Save Human Lives

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• 5The underlined word “prolong” in the last but one paragraph means ______.

  A.save

  B.protect

  C.lengthen

  D.improve

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• 6According to the passage, we can know that the San Andreas Fault System____.

  A.has a greater understanding of the causes and effects of earthquakes

  B.stores much more information about the history of large earthquakes

  C.offers the potential for doing research on the faults where strain accumulates

  D.illustrates specifically how rocks along a fault are formed

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