Graphene's super strength lies in the fact that.

试卷相关题目

• 1What 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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• 2The word “apply” in paragraph 4 could be used to replaced by 、

  A.push.

  B.find.

  C.collect.

  D.put.

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• 3Which 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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• 4What would change the future of electronics according to engineers、

  A.Personal computer.

  B.Big technology.

  C.Graphene.

  D.Creative ways.

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• 5The 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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• 6who lived in Puerto Rico first

  A.the Africans

  B.the Spanish

  C.the Americans

  D.the Taino people

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• 7In 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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• 8what is the main idea of the second paragraph、

  A.Taino dishes are important in Puerto Rican cooking

  B.Food imported by foreigners isn’t really Puerto Rican

  C.Puerto Rican cooking has many outside influences

  D.African foods have probably had the most influence

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• 9How is sofrito used、

  A.It is eaten before meals

  B.It is added to other dishes

  C.It is used where foods are too spicy

  D.It is eaten as a main dish

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• 10which of the following is NOT true、

  A.softito is a type of extremely spicy food

  B.Many people think Puerto Rican food is spicy

  C.Puerto Rican cuisine uses a lot of chili peppers

  D.Aij caballero is a type of chile pepper

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