Which of the following statements about graphene is true 、

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• 1What would change the future of electronics according to engineers、

  A.Personal computer.

  B.Big technology.

  C.Graphene.

  D.Creative ways.

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• 2The earthquake that hit the eastern half of the United States two centuries ago is the biggest "mid-plate" one in history.

  A.Right

  B.Wrong

  C.Not mentioned

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• 3Whenever tectonic plates move, earthquakes happen.

  A.Right

  B.Wrong

  C.Not mentioned

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• 4Big 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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• 5Seismometers can identify and locate most of the earthquakes in Chin

  A.A.Right

  B.Wrong

  C.Not mentioned

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• 6The word “apply” in paragraph 4 could be used to replaced by 、

  A.push.

  B.find.

  C.collect.

  D.put.

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• 7What 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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• 8Graphene'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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• 9who lived in Puerto Rico first

  A.the Africans

  B.the Spanish

  C.the Americans

  D.the Taino people

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• 10In the first paragraph the word “it” refers to

  A.immigration

  B.Caribbean history

  C.the island’s natural beauty

  D.Puerto Rican cuisine

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