The earthquake that hit the eastern half of the United States two centuries ago is the biggest "mid-plate" one in history.

试卷相关题目

• 1Whenever tectonic plates move, earthquakes happen.

  A.Right

  B.Wrong

  C.Not mentioned

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• 2Big earthquakes of a magnitude 8 0r higher seldom happen far from the edges of tectonic plates.

  A.Right

  B.Wrong

  C.Not mentioned

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• 3Seismometers can identify and locate most of the earthquakes in Chin

  A.A.Right

  B.Wrong

  C.Not mentioned

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• 4Few earthquakes happen without people's awareness.

  A.Right

  B.Wrong

  C.Not mentioned

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• 5The earthquake is the most unpredictable natural disaster.

  A.Right

  B.Wrong

  C.Not mentioned

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• 6What would change the future of electronics according to engineers、

  A.Personal computer.

  B.Big technology.

  C.Graphene.

  D.Creative ways.

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• 7Which of the following statements about graphene is true 、

  A.It is visible to the human eye.

  B.It is possibly the thinnest material in the world.

  C.It can be used to make paper.

  D.Finding it demands time and money.

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• 8The word “apply” in paragraph 4 could be used to replaced by 、

  A.push.

  B.find.

  C.collect.

  D.put.

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• 9What does the writer tell in the last two paragraph 、

  A.An easy way to find graphene.

  B.Significance of the discovery of graphene.

  C.Development of high-tech wonders.

  D.Possible applications of graphen

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• 10Graphene's super strength lies in the fact that.

  A.It is the thinnest material in the world.

  B.It is made of the most abundant elements in the world.

  C.It can help to make electronic components smaller.

  D.It helps engineers to produce more sensitive electronic products.

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