The NBA started using synthetic basketballs instead of leather ones because____.

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• 1Many people are worried about the silicon chips because _____.

  A.they are not assured of the effect of the chips.

  B.they cannot get the implanted chips removed

  C.the new laws about the technology might be abused

  D.the new technology may intrude on people’s privacy

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• 2The chips are different from the Global Positioning Satellite technology in that ____.

  A.they are inserted into a person’s body as ID cards

  B.they allow people’s location to be monitored

  C.they provide information to a central monitoring system

  D.they bring more danger to the carriers.

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• 3Which of the following is NOT true about the silicon chips in trial、

  A.They are as tiny as a grain of rice.

  B.They will send out radio signals.

  C.They function like identity cards.

  D.They will be developed for medical uses.

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• 4The three workers from City Wather.com have___.

  A.volunteered to provide security camera equipment

  B.agreed to have silicon chips planted in their brain

  C.offered to be monitored in the new security program

  D.had access to secure areas of their workplace

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• 5This passage is mainly about__.

  A.the increasing security of U.S. companies.

  B.the test of a new security program

  C.a new central monitoring system

  D.Global Positioning Satellite technology

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• 6How did some NBA players respond to the switch to synthetic balls、

  A.They felt much more comfortable with the synthetic balls .

  B.They thought differently about the leather balls.

  C.They felt that the new balls were worse than the leather ones.

  D.They believed the new balls would soon be replaced.

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• 7Which of the following contributes to the better control of the balls、

  A.Greater friction.

  B.More ownership

  C.Stronger affection

  D.Fewer investigations.

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• 8When is it harder for an NBA player to hold onto a synthetic ball、

  A.When the ball is dried with a towel.

  B.When the ball is wetted by water.

  C.When tests are done on the ball.

  D.When sweating sticks to the ball.

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• 9In the last paragraph ,”that’s just the way the ball bounces” probably means_____.

  A.tradition offers the best choice

  B.the ball bounces ass best it can

  C.the NBA made a mistake

  D.the ball bounces perfectly

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• 10Which of the following airlines provides the lowest price to Hong Kong 、 

  A.Atlantic Airline.

  B.Cathay Pacific Airline.

  C.China Eastern Airline.

  D.Air New Zealand.

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