Dolphins are the most useful animals to humans.

试卷相关题目

• 1Parts of the dolphin’s brain are particularly well developed to handle different kinds of sound.

  A.Right

  B.Wrong

  C.Not mentioned

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• 2The dolphin leapt up into the air because Sagan was too near the water.

  A.Right

  B.Wrong

  C.Not mentioned

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• 3The astronomer was not interested in the way dolphins communicate with each other.

  A.Right

  B.Wrong

  C.Not mentioned

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• 4The __steadily__ rising cost of labor on the waterfront has greatly increased the cost of shipping cargo by water.

  A.gradually

  B.suddenly

  C.excessively

  D.exceptionally

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• 5The secretary is expected to __explore__ ideas for post-war reconstruction of the are

  A.A.deny

  B.investigate

  C.stress

  D.create

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• 6Dolphins travel faster in water than any other animals.

  A.Right

  B.Wrong

  C.Not mentioned

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• 7Some scientists believe that dolphins have a language of their own.

  A.Right

  B.Wrong

  C.Not mentioned

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• 8Sounds can be called a language only when they have a structure and a grammar.

  A.Right

  B.Wrong

  C.Not mentioned

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• 9Which of the following statements about Flowers and Yeo is true、

  A.They are students at Sussex University.

  B.They are rice breeders.

  C.They are husband and wife

  D.They are colleagues at an institution of higher learning.

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• 10Flowers and Yeo have started a programme

  A.to find ways to prevent water pollution.

  B.to identify genes that promote growth in salty soil.

  C.to breed rice plants that taste salty.

  D.to find ways to remove excessive salt from soil.

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