We know from the passage that with the help of RFID tags,people _____ .

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• 1The artiele is intended to _____.

  A.warn people of the possible risks in adopting RFID technology

  B.explain the benefits brought about by RFID technology

  C.convince people of the uses of RFID technology

  D.predict the applications of RFID technology

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• 2Professor Alex Michalos found that people feel less happy if _____ .

  A.the gap between reality and desire is bigger

  B.they have a stronger desire for friendship

  C.their income is below their expectation

  D.the hope for good health is greater

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• 3Aged people are more likely to feel happy because they are more _____ .

  A.optimistic

  B.successful

  C.practical

  D.emortional

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• 4Some actors would like to accept poorly-paid jobs because the jobs _____ .

  A.make them feel much better

  B.provide chances to make friends

  C.improse their social position

  D.satisfy their professional interests

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• 5According to the passage, the feeling of happiness  _____ .

  A.is determined partly by genes

  B.increases gradually with age

  C.has little to do with wealth

  D.is measured by desires

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• 6Passive RFID tags chiefly consist of _____ .

  A.scanning devices

  B.radio waves

  C.batteries

  D.chips

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• 7Why are some people worried about RFID technology、

  A.Because children will be tracked by strangers.

  B.Because market competition will become more fierce.

  C.Because their private lives will be greatly affecte

  D.D.Because customers will be forced to buy more products.

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• 8The last paragraph implies that RFID technology _____ .

  A.will not be used for such matters as buying milk

  B.will be windely used, including for buying milk

  C.will be limited to communication uses

  D.will probably be used for pop music

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