According to the passage, which of the following is increasingly dangerous to sea creatures、

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• 1Computerized firms would rather employ business graduates than computer science graduates because it is easier to train the former into qualified employees.

  A.Right

  B.Wrong

  C.Not mentioned

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• 2In some cases managers have to learn how to write programs so as to work out computerized information systems that suit their own companies best.

  A.Right

  B.Wrong

  C.Not mentioned

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• 3One thing that managers do not have to understand is how computers work.

  A.Right

  B.Wrong

  C.Not mentioned

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• 4At present about 10% of American citizens possess a microcomputer.

  A.Right

  B.Wrong

  C.Not mentioned

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• 5It is unnecessary for a neighborhood baker to use a computer in his shop

  A.Right

  B.Wrong

  C.Not mentioned

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• 6According to the passage, natural sounds include all of the following EXCEPT__________.

  A.sounds made by animals themselves.

  B.ocean drilling.

  C.underwater earthquakes.

  D.the breaking of ice fields.,

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• 7Which of the following is discussed in the third paragraph、

  A.The same noise level produces a different effect on land and in the ocean.

  B.Different places may have different types of noises.

  C.The decibel is not a suitable unit for measuring underwater noise.

  D.Different ocean animals may have different reactions to noises.

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• 8Which of the following is true of whales、

  A.They won't be confused by noises.

  B.They are deaf to noises.

  C.Their ability to reproduce will be lowered by high-level noises.

  D.Their hearing will be damaged by high-level noises.

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• 9According to the passage, what will scientists most probably do in the future、

  A.They will work hard to reduce ocean noise pollution.

  B.They will protect animals from harmful noises.

  C.They will try to set a limit of 120 decibels.

  D.They will study the effect of ocean noise pollution.

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• 10Lifetime employment in the Japanese company means that the employee__________.

  A.leaves his company only when business is bad.

  B.gets a job soon after he leaves school or university.

  C.can work there throughout his career,

  D.can have his serious mistakes in work corrected.

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