what is the main idea of the second paragraph、

试卷相关题目

• 1In 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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• 2who lived in Puerto Rico first

  A.the Africans

  B.the Spanish

  C.the Americans

  D.the Taino people

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• 3Graphene'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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• 4What 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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• 5The word “apply” in paragraph 4 could be used to replaced by 、

  A.push.

  B.find.

  C.collect.

  D.put.

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• 6How 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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• 7which 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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• 8"Cats", "monkeys" and 'giraffes" mentioned in paragraph 1 are examples to illustrate

  A.they are highly-evolved species as humans.

  B.animals have skills that humans do not possess.

  C.humans can learn animals' skills.

  D.they are skillful in different ways.

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• 9Which of the following can be found in the archive gallery、

  A.First practical airplanes built in the late 19th century.

  B.History books.

  C.The Wright brothers' sculpture.

  D.Leonardo da Vinci's bird-like flying machines.

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• 10What happened after the Wright brothers' success、

  A.People carried out a systematic study on pigeons.

  B.People could fly their airplane for fun.

  C.People kept their airplane at a French gallery.

  D.People studied more animals and plants to develop the airplan

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