18.The growing popularity of computer-based activities was widely expected to result in a decline in television viewing,since it had been assuemd that people lack sufficient free time to maintain current television-viewing levels while spending incresasing amounts of free time on the computer.That assumtion,however,is evidently false:in a recent mail survey concerning media use ,a very large majority of respondents who report increasing time spent per week using computers report no charge in time sprent watching television.
which of the following would it be most useful to determine in order to evaluate the argument？
A Whether a large majority of the survey respondents reported watching television regularly?
B.Whether the amount of time spent wathcing television is declining among people who reprot that they rarely or never use computers.
C.Whether the type of television programs a person watches tends to change as the amount of time spent per week using computers increases.
D whether a large majority of the computer owners in the survey reported spending increasing amounts of time per week using computers
E Whether the survey respondents' reports of time spent using computers included time spent using computers at work.
该题选择D为什么不对呢。
正确E。我第一眼看到结尾at work 就把这个选项剔除了。觉得是无关的。怎么就变成答案了。
牛牛们帮帮我丫
做evaluate题 要想如果我选择这个选项会不会让得出题干结论的人重新考虑他的结论 即动摇他的选择 如果会 可以选
请仔细读题
The growing popularity of computer-based activities was widely expected to result in a decline in television viewing,since it had been assuemd that people lack sufficient free time to maintain current television-viewing levels while spending incresasing amounts of free time on the computer.That assumtion,however,is evidently false:in a recent mail survey concerning media use ,a very large majority of respondents who report increasing time spent per week using computers report no charge in time sprent watching television.
被作者用来反驳的survey 并没有说清楚到底这个时间是什么时间 如果如E所述 这个时间中包括使用电脑工作的时间 那有可能花在电脑上的free time没有增长 那自然就不会影响到电视的时间啦
D把题干中的已知变个说法再问一遍 不能改变什么 而且也没解决到底这个时间是不是单纯的free time
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