共用题干 A Bad IdeaThink you can walk,drive,take phone calls,e-mail and listen t...

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问题共用题干 A Bad Idea

Think you can walk,drive,take phone calls,e-mail and listen to music at the same time?Well,New
York's new law says you can't.________(46)The law went into force last month,following research and a
shocking number of accidents that involved people using electronic gadgets（小巧机械）when crossing the
street.
Who'5 to blame? __________(47)"We are under the impression that our brain can do more than it
often can , " says Rene Marois , a neuroscientist（神经科学家）in Tennessee. " But a coic limitation is the
inability to concentrate on two things at once."
The young people are often considered the great multitaskers.______(48),A group of 18-to-21-year-
olds and a group of 35 -to-39-year-olds were given 90 seconds to translate images into numbers,using a simple
code._______(49)But when both groups were interrupted by a phone call or an instant message,the older
group matched the younger group in speed and accuracy.
It is difficult to measure the productivity lost by multitaskers.But it is probably a lot.Jonathan Spira,
chief analyst at Basex,a business-research firm,estimates the cost of interruptions to the American economy
at nearly $650 billion a year.__________(50)The surveys conclude that 28 percent of the workers'time
was spent on interruptions and recovery time before they returned to their main tasks.

选项 __________（48） A:Talking on a cell phone while driving brings you joy anyway. B:The estimate is based on surveys with office workers. C:The younger group did 10 percent better when not interrupted. D:However,an Oxford University research suggests this perception is open to question. E: Scientists say that our multitasking（多任务处理）abilities are limited. F: And you'll be fined $100 if you do so on a New York City street.

答案 D

解析此空的上一句提到纽约的新法规禁止在街上走路或开车的同时玩手机等，则下句应具体阐明或举例解释“怎样禁止”，故选F。
文章第二段主要探讨了人的大脑的多任务处理的局限性，F选项的内容符合此主题。
本段第一句提出了人们常认为年轻人胜任多任务处理，但是下文的实验得出的结论则与此相反，故此空应填入和前面的观点相反的事实，故选D。
由此空下文的but 一词可知，此处应填入的内容和下文事实应形成对比，即在没有干扰的情况下，年轻人做得比中年人好10%，故选C。
此空的前文提及有关经济损失的估算，而B项中“The estimate is based on”正好是此句的承接，故选B。第6部分：完形填空

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共用题干 A Bad IdeaThink you can walk,drive,take phone calls,e-mail and listen t...

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