Which of the following is the standard of a comfortable water temperature for washing hands、

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• 1Which of the following is WRONG according to the passage、

  A.Boiling water at 212°F (99.98°C) works effectively in killing germs.

  B.Warmer water can damage the protective layer of the outside skin.

  C.There is much difference between cold water and hot water in reducing bacteria.

  D.Americans have inaccurate beliefs or outdated perceptions in hand washing.

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• 2According to the passage, all the following share roughly the same CO2 emissions yearly EXCEPT         .

  A.two coal-fired power plants

  B.US zinc or lead industries

  C.1,250,000 passenger vehicles

  D.El Salvador or Armenia

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• 3The underlined word scald in paragraph six probably means         .

  A.burn

  B.improve

  C.soften

  D.wrinkle

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• 4Which can be served as the title of the passage、

  A.Hot water or cooler water in hand washing、

  B.Hot water contributes to the serious worsening of our planet.

  C.Consumption of hot water is unnecessary and wasteful.

  D.Advantages and disadvantages of using hot water .

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• 5This text is most probably taken from a ______.

  A.textbook

  B.Doctor’s notebook

  C.magazine

  D.bottle of medicine

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• 6If you want to read stories of this kind afterwards, which of the following magazines will you probably subscribe to、

  A.Universal Science Fiction

  B.Science & Discoveries

  C.Environment & Protection

  D.Exploration of America

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