We can know from the passage that many researchers think that the noise limit of one hundred twenty decibels would _____.

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• 1Which of the following is discussed in the third paragraph、

  A.Different places with different types of noises.

  B.The very human ears sensitive to all types of noises.

  C.The ocean animals' reaction to noises.

  D.The same noise measured differently on land and in the ocean.

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• 2According to the passage, which of the following is increasingly dangerous to sea creatures、

  A.The man-made noises.

  B.The noises made by themselves.

  C.The sound of earthquakes.

  D.The sound of the ice-breaking.

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• 3The best title for the passage could be _________、

  A.Is Privacy As Important As Health

  B.What Can Be Done to Protect the Privacy

  C.Does Privacy Matter

  D.Does Modern Technology Reveal Privacy

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• 4According to Alessandro Acquits, most Americans _________.

  A.like to exchange their personal secret for the commercial benefit

  B.aren’t interested in the pitiful commercial benefit to keep their personal secret

  C.pay no attention to their personal secret for the commercial benefit

  D.can’t keep the balance between their personal secret and the commercial benefit

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• 5The author says “<u>we live in a world where you simply cannot keep a secret</u>” because ______.

  A.modern society has finally entered a much opened society

  B.people leave privacy around when using modern technology

  C.there are always people who are curious about others’ affairs

  D.many search engines profit by selling people’s privacy

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• 6According to the passage, what will scientists most probably do in the future、

  A.They will try their best to decrease noise.

  B.They will work hard to cut down noise pollution.

  C.They will study the effect of different noises.

  D.They will protect animals from harmful noises.

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