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【单选题】
数字技术将人类的一切东西推上了快车道。为了适应环境，我们的大脑正在学会如何更有效率地处理更多的信息。尤其是年轻的“数字土著”，正在发育中的大脑比成熟大脑对周围环境的刺激更加敏感，也更脆弱。他们的大脑正在为高速的网络搜索、网络社交发展新的神经布线。他们的心智反应更快，更适应信息过载和多任务处理的文化。他们能同时用6种不同的媒体进行34个对话，一些视频游戏还可以改善他们的周边视觉能力。但是，与此同时，他们大脑中颞叶的移情功能、额叶部位的复杂推理功能都在退化。
这段文字意在说明（ ）。
A.
数字技术让人类的大脑运转加速
B.
数字技术让年轻人的大脑更为敏感和脆弱
C.
数字技术的快速发展导致年轻人大脑的部分功能退化
D.
现在的年轻人处理过载和多任务的能力更强
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举一反三
【单选题】49（） 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. Howeve...
A.
A Bad Idea
B.
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.
C.
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."
D.
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.
E.
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.
【单选题】A Bad Idea 49（） A.Talking on a cellphone 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 interrupt...
A.
A Bad Idea
B.
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.
C.
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."
D.
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 sample 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.
E.
It is difficult to measure the productivity lost by multi-taskers. 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.
【单选题】Windows98通过提供虚拟机的机制来实现多任务处理功能。下列叙述中，错误的是：
A.
Windows98支持386处理器的三种工作模式
B.
在Windows98的保护模式下，所有的应用程序都运行在保护级别最低的0环
C.
在通常情况下，Windows98采用的是并发方式的多任务处理
D.
在Windows98中，Windows虚拟机分为系统虚拟机和MSDOS虚拟机
【单选题】下列关于Windows操作系统中任务处理的叙述中正确的是( )。
A.
从微观上看，前台任务和后台任务能同时得到CPU响应
B.
由于CPU中有多个执行部件，可同时执行多条指令，所以才能同时执行多个任务
C.
用户如果只启动一个应用程序，则该程序就可以自始至终独占CPU资源
D.
Windows操作系统在执行32位应用程序时，采用的是按时间片轮流的调度方法
【单选题】下面关于Windows操作系统多任务处理的叙述中,错误的是___。
A.
每个任务通常都对应着屏幕上的一个窗口
B.
用户正在输入信息的窗口
C.
前台任务只有1个，后台任务可以有多个
D.
前台任务可以有多个，后台任务只有1个
【单选题】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. Howeve...
A.
A Bad Idea
B.
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.
C.
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."
D.
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.
E.
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.
相关题目：
【单选题】49（） 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. Howeve...
A.
A Bad Idea
B.
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.
C.
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."
D.
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.
E.
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.
【单选题】A Bad Idea 49（） A.Talking on a cellphone 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 interrupt...
A.
A Bad Idea
B.
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.
C.
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."
D.
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 sample 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.
E.
It is difficult to measure the productivity lost by multi-taskers. 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.
【单选题】Windows98通过提供虚拟机的机制来实现多任务处理功能。下列叙述中，错误的是：
A.
Windows98支持386处理器的三种工作模式
B.
在Windows98的保护模式下，所有的应用程序都运行在保护级别最低的0环
C.
在通常情况下，Windows98采用的是并发方式的多任务处理
D.
在Windows98中，Windows虚拟机分为系统虚拟机和MSDOS虚拟机
【单选题】下列关于Windows操作系统中任务处理的叙述中正确的是( )。
A.
从微观上看，前台任务和后台任务能同时得到CPU响应
B.
由于CPU中有多个执行部件，可同时执行多条指令，所以才能同时执行多个任务
C.
用户如果只启动一个应用程序，则该程序就可以自始至终独占CPU资源
D.
Windows操作系统在执行32位应用程序时，采用的是按时间片轮流的调度方法
【单选题】下面关于Windows操作系统多任务处理的叙述中,错误的是___。
A.
每个任务通常都对应着屏幕上的一个窗口
B.
用户正在输入信息的窗口
C.
前台任务只有1个，后台任务可以有多个
D.
前台任务可以有多个，后台任务只有1个
【单选题】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. Howeve...
A.
A Bad Idea
B.
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.
C.
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."
D.
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.
E.
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.
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