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  3. In your car you may have a cell phone, a telephone also known as a mobile phone that you can carry around and use anywhere. On y

In your car you may have a cell phone, a telephone also known as a mobile phone that you can carry around and use anywhere. On y

admin2019-03-28  52
问题    In your car you may have a cell phone, a telephone also known as a mobile phone that you can carry around and use anywhere. On your way, you may feel coordinated and enjoy your hands-free phone talking while driving. But recent studies suggest that it isn’ t the dialing or the arm waving that makes driving while talking on a cell phone dangerous. It is the yakking itself—or more precisely, the continuous conversation with someone who isn’t present—that makes. David Strayer, a Utah psychologist, says "your driving performance while talking on a cell phone is weakened at levels comparable to, or worse than, driving with a blood alcohol level of 0. 08" , which is the legal limit in most states of America.
   Using a driving-training simulator, Strayer and his colleagues compared the attention levels and response time of 110 drivers in various situations. In dense traffic, cell phone users were about 20 percent slower to respond to sudden hazards than other drivers, and they were about twice as likely to drive into the back of a braking car in front of them. " Cell phone drivers are obtaining less than 50 percent of the visual information that non-cell drivers are getting," says Strayer. " Looking and seeing are not one and the same. " By contrast, the researchers found that listening to the radio or conversing with passengers is not as hazardous. "When a dangerous situation arises, the driver and passengers put their conversation on pause," Strayer says.
   Whether talking with a passenger or someone on a cell phone, however, people are less able to recall the details of a conversation carried on while driving. " So it might not be good for your economic health to discuss investment strategies with your agent while either of you is driving," Strayer adds lastly.
According to the recent studies, which of the following makes driving dangerous?
选项 A、A cell phone dialing by the driver.
B、The driver’ s endless arm waving.
C、The driver’ s continuous cell phone talking.
D、The absence of another phone speaker.
答案C
解析 根据第一段第三、四句“But recent studies suggest that…that makes．”可知，使开车打电话危险的不是拨电话或挥动手臂这些动作，而是和某个不在跟前的人聊个不停，即continuous conversation。故选C。
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