When things far away seem indistinct(模糊不清) , one is probably    .

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• 1We should take good care of our eyes    .

  A.only when we can see well

  B.only when we cannot see perfectly

  C.even if we can see well

  D.only when we realize how important our eyes are

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• 2The underlined word blurry in the second paragraph probably means    .

  A.obvious

  B.possible

  C.clear

  D.unclear

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• 3Having two eyes instead of one is particularly useful for    .

  A.seeing at night

  B.seeing objects far away

  C.looking over a wide area

  D.judging distances

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• 4People who suffer from astigmatism have    .

  A.one eye bigger than the other

  B.eyes that are not exactly the right shape

  C.a difficulty that can be corrected by an operation

  D.an eye difficulty that cannot be corrected by glasses

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• 5What does “a hidden price tag” (Paragraph 1) mean、

  A.Record companies intentionally hide the high price of the music.

  B.It happens that the music price tag isn’t obvious.

  C.B.It happens that the music price tag isn’t obvious.C.One has to pay for having downloaded music freely at last.

  D.One has to pay for the music in the future even if it’s allowed to be downloaded freely now.

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• 6Which of the following is true、

  A.The four students planned to violate the company’s copyright.

  B.They realized they had done a wrong thing.

  C.They refused to pay money to RIAA.

  D.They didn’t make any money on file-sharing networks.

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