All of the following are possible effects living longer might have on working life EXCEPT

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• 1Which of the following is implied in the sixth paragraph、

  A.Marriages in the US today are quite unstable.

  B.More and more people in the US today want to get married.

  C.Living longer would make it easier for people to maintain their marital ties.

  D.If people live longer~ they would stay in marriage longer.

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• 2Which of the following is NOT mentioned as one of the things that living longer might enable an individual to do、

  A.Spending more time with his family.

  B.Having more education.

  C.Realizing more dreams.

  D.Working longer.

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• 3What message do the last two paragraphs carry'、

  A.Taste acuity is genetically determined.

  B.Taste acuity is developed over time after birth.

  C.Taste acuity is related to one's eye and hair color.

  D.B.Taste acuity is developed over time after birth.C.Taste acuity is related to one's eye and hair color.D.Taste acuity is still a mysterious subject in scienc

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• 4Which of the following applies to supertasters in terms of bitter taste、

  A.They like bitterness in foods as well as saltiness.

  B.They like high-salt cheese as it has intense bitter taste.

  C.They prefer high-salt cheese, which tastes less bitter.

  D.They prefer high-salt cheese as it is good to health.

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• 5The article argues that supertasters

  A.like the taste of saltiness to block sweet tastes in food.

  B.like snack foods as saltiness is their primary flavor.

  C.consume less salt because they don't like intensive tastes.

  D.like to share salty cheese with nontasters.

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• 6An important feature of a society in which people live a long life is that

  A.it places more emphasis on educating the young.

  B.it is both wise and energeti

  C.C.it lacks the curiosity to experiment what is new

  D.it welcomes changes.

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• 7Which of the following best describes Callahan's attitude to anti-ageing technology 、

  A.Optimistic.

  B.Pessimisti

  C.B.Pessimistic.C.Reserve

  D.D.Negativ

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• 8Antimicrobial resistance has become a global public health issue because

  A.there may be few or no treatment to infections caused by multi-drug resistant bacteria.

  B.new antibiotics are too expensive for poor countries.

  C.infections caused by multi—drug resistant bacteria have killed a lot of people.

  D.scientists know nothing about multi-drug resistant bacteria.

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• 9The word “prudent’’ in paragraph I is closest in meaning to

  A.unwise

  B.wasteful

  C.widespread

  D.careful

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• 10The article published in The Lancet Infectious Diseases found that

  A.some bacteria have developed a new gene to resist almost all antibiotics.

  B.a new multi—drug resistant bacterium has appeared.

  C.some infections are caused by antibiotics.

  D.some countries are successful in controlling multi—trug resistant microorganisms.

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