By “exceed” in paragraph 6, the author means_________.

试卷相关题目

• 1Which of the following is not mentioned in the article？

  A.There has been increasing concern about exposure to music players

  B.Many people listen to portable music players daily

  C.How to make proper use of MP3

  D.Frequent users of personal music players at high acoustic(声音的) levels, may be unknowingly damaging their hearing permanently

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• 2What would be the most appropriate title for this passage、

  A.EU warns youth

  B.Turn your MP3 players down!

  C.What does harm to people、

  D.Mobile phones are harmful

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• 3Where may this passage be found、

  A.In a history book

  B.On the Internet

  C.In a science book

  D.In a fashion magazine

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• 4Which of the following is nearest in meaning to “dock ” in the 7th paragragh、

  A.connect

  B.land

  C.harbor

  D.come

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• 5Which of the following statements is true、

  A.Richard Garriott spent 60 days in space in 1973

  B.Richard Garriott spent another ten days in 1983

  C.Soyuz capsules had gone wrong with landing twice

  D.Richard Garriott went into space at the height of the Cold War

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• 6It can be inferred from the passage that _________.

  A.Youngsters could suffer permanent sight loss after five years of exposure to MP3 players at too high a volume for more than five hours a week

  B.Very high volumes may reduce the numbers of listeners

  C.The loss of sound quality may lead to the decline in listeners

  D.Loud mobile phones were praised in the scientists' study

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• 7Sleep has many advantages except _______.

  A.improving your mood

  B.making you strong

  C.helping you study

  D.practicing your eyes

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• 8Choose the right order: During your sleep, _______.① your body repairs itself from the normal wear and tear of daily life② your brain produces slower-moving waves③ your dream begins④ you loose awareness of surroundings

  A.① ③ ② ④

  B.② ④ ① ③

  C.④ ① ③ ②

  D.④ ③ ① ②

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• 9Which of the following is NOT right、

  A.Hormone has something to do with your growth.

  B.You cannot move while you are in REM sleep, dreaming.

  C.The closer to morning, the more dreams you have.

  D.You may move around in your bed during your REM sleep.

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