根据下面材料，回答题。ABadIdeaThinkyoucanwalk,drive,takephonecalls,e-mailandlistentomu

共享题干题根据下面材料，回答题。 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 (小的机械) when crossing the street. Who's 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 core limitation is the inability to concentrate on two things at once." The young people are often considered the great multi-taskers.___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 multi-taskers. But it is probably a lot. Jonathan Spire, 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.1.[不定向选择题]第50题__________A.And you'll be fined $100 if you do so on a New York City stree B.Talking on a cell-phone while driving brings you joy anywa C.The estimate is based on surveys with office worker D.The younger group did 10 percent better when not interrupteE.However, an Oxford University, research suggests this perception is open to questioF.Scientists say that our multi-tasking (多任务处理) abilities are limiteABCDEF确定 2.[不定向选择题]第47题__________A.And you'll be fined $100 if you do so on a New York City stree B.Talking on a cell-phone while driving brings you joy anywa C.The estimate is based on surveys with office worker D.The younger group did 10 percent better when not interrupteE.However, an Oxford University, research suggests this perception is open to questioF.Scientists say that our multi-tasking (多任务处理) abilities are limiteABCDEF确定

1.参考答案：C
参考解析：空白处前一句主要讲Jonathan Spire预计美国经济被打断的代价大约是6500亿美元。空白处后一句讲这个调查认为工人工作时间的28％用在被打断和恢复工作上。选项C(这个预测是根据办公室人员的调查得来的)为正确选项。
2.参考答案：F
参考解析：空白处的前一句问该责备谁昵?空白处后一句讲“我们总认为我们的大脑能做比平时多的事情”。因此F选项(科学家说多任务处理的能力是很有限的)正确。?3.[不定向选择题]第49题__________A.And you'll be fined $100 if you do so on a New York City stree B.Talking on a cell-phone while driving brings you joy anywa C.The estimate is based on surveys with office worker D.The younger group did 10 percent better when not interrupteE.However, an Oxford University, research suggests this perception is open to questioF.Scientists say that our multi-tasking (多任务处理) abilities are limiteABCDEF确定

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