What is the main idea of the text、

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• 1From “Dreams of head-cutting!”(Paragraph 3), we learn that the writer _____.

  A.was mad at the sales agent.

  B.was reminded of the cruel pharaoh

  C.wished that the sales agent would have had dreams.

  D.dreamed of cutting the sales agent’s head that night.

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• 2In the writer’s opinion, his neighbor was _____.

  A.friendly

  B.warm-hearted

  C.not considerate

  D.not helpful

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• 3In Paragraph 1, the writer tells the story of the pharaoh to _____.

  A.make a comparison

  B.introduce a topic

  C.describe a scene

  D.offer an argument

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• 4We can infer from the last paragraph that the e-nose_____.

  A.is unable to tell the smell of flowers

  B.is not yet used in greenhouses

  C.is designed by scientists at Purdue

  D.is helpful in killing harmful insects

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• 5According to the writer, the most amazing thing about the e –nose is that it can _____.

  A.pick out ripe fruits

  B.spot the insects quickly

  C.distinguish different damages to the leaves

  D.recognize unhealthy tomato leaves

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• 6What is the text mainly about、

  A.The disagreements among DNA researchers.

  B.The unfair treatment of Franklin.

  C.The process of discovering DNA.

  D.The race between two teams of scientists.

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• 7Watson was angry with Franklin because she _____.

  A.took the lead in the competition

  B.Kept her results from him

  C.proved some of his findings wrong

  D.shared her data with other scientists

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• 8Why is Franklin described as “Dark Lady of DNA”、

  A.She developed pictures in dark labs.

  B.She discovered the black X------ the shape of DNA.

  C.Her name was forgotten after her death.

  D.Her contribution was unknown to the public.

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• 9What is the writer’s attitude toward Wilkins, Watson and Crick、

  A.Disapproving

  B.Respectful.

  C.Admiring

  D.Doubtful

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