Dolphins travel faster in water than any other animals.

试卷相关题目

• 1Dolphins are the most useful animals to humans.

  A.Right

  B.Wrong

  C.Not mentioned

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• 2Parts 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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• 3The dolphin leapt up into the air because Sagan was too near the water.

  A.Right

  B.Wrong

  C.Not mentioned

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• 4The astronomer was not interested in the way dolphins communicate with each other.

  A.Right

  B.Wrong

  C.Not mentioned

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• 5The __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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• 6Some scientists believe that dolphins have a language of their own.

  A.Right

  B.Wrong

  C.Not mentioned

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• 7Sounds 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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• 8Which 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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• 9Flowers 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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• 10Which of the following is NOT mentioned as a cause of the problem discussed in the passage、

  A.Natural barriers to sea water have been destroyed.

  B.The water table has gone down after droughts.

  C.Sea level has been continuously rising.

  D.Evaporation of water leaves salt behind.

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