What did the scientists do to find out if the e-nose worked、

试卷相关题目

• 1We learn from the text that plants communicate with each other by_____.

  A.making some sounds

  B.waving their leaves

  C.producing some chemicals

  D.sending out electronic signals

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• 2If you want to have someone wake you up in the morning, you may call _____.

  A.800-5224

  B.800-5770

  C.800-7839

  D.800-0760

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• 3To have your travel notes published, you may contact _____.

  A.Students’ Union

  B.Gayle Moore

  C.The International Center

  D.Life Planning Workshop

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• 4A second-hand jacket will probably cost you _____.

  A.$60

  B.$40

  C.$20

  D.10

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• 5What is the message conveyed in the story、

  A.Flowers are important for a date.

  B.Small talk is helpful.

  C.Love and kindness are rewarding.

  D.Elderly people deserve respecting.

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• 6According 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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• 7We 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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• 8In 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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• 9In the writer’s opinion, his neighbor was _____.

  A.friendly

  B.warm-hearted

  C.not considerate

  D.not helpful

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• 10From “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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