Although computers can enhance people’s ability to communicate, computer games are a cause of underdeveloped communication skills in children. After-school hours spent playing computer games are hours not spent talking with people. Therefore, children who spend all their spare time playing these games have less experience in interpersonal communication than other children have.
The argument depends on which of the following assumptions?
正确选项
(C) Children who do not spend all of their after school hours playing computer games spend at least some of that time talking with other people.
运用方法： 排除充分条件出现，必要条件不出现的可能
这道题到底哪个部分是充分条件，哪个部分是必要条件？
哪位大神能不能具体分析下是如何运用lawer说的方法的
还有一题
Ifthe county continues to collect residential trash at current levels, landfillswill soon be overflowing and parkland will need to beused in order to create more space. Charging each household a fee for eachpound of trash it puts out for collection will induce residents
to reduce the amount of trash they create; this charge will therefore protect theremaining county parkland.[c1]
Whichof the following is an assumption made in drawing the conclusion above?
[c1]条件型结论
Ifthe county continues to collect residential trash at current levels, landfillswill soon be overflowing and parkland will need to beused in order to create more space. Charging each household a fee for eachpound of trash it puts out for collection will induce residents
to reduce the amount of trash they create; this charge will therefore protect theremaining county parkland.[c1]
Whichof the following is an assumption made in drawing the conclusion above?
(C)[The collection feewill not induce residents to dump their trash in the parklands illegally 排除充分条件出现，必要条件不出现
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发表于 2011-8-3 19:37:34
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