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[问答] GRE阅读逻辑题目翻译及解释 [复制链接]

danhan1991
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发表于 2012-1-29 14:50:37 |显示全部楼层

Each of two particular inspection systems that are based on different principles would detect all product flaws but would also erroneously reject three percent of flawless products．Assuming there is no overlap between the products erroneously rejected by the two systems and also no interference between the systems if both operate, using both systems and rejecting only those products found flawed by both would be a way of avoiding all erroneous rejections．　　
Which of the following most precisely characterizes the reasoning in the argument？　　
(A)The reasoning is conclusive, that is, the conclusion cannot be false if the statements offered in its support are true．　
(B)The reasoning is strong but not conclusive, if the statements offered in support of the conclusion are true, they provide good grounds for that conclu- sion, though it is possible that additional infor- mation might weaken the argument．　　
(C)The reasoning is weak; the statements offered in support of the conclusion, though relevant to it, by themselves provide at best inadequate grounds for the conclusion．　　
(D)The reasoning is flawed in that the conclusion is no more than a paraphrase of one of the pieces of evidence offered in its support．　　
(E)The reasoning is flawed in that the argument treats evidence that a factor is necessary to bring about an event as if it were evidence that the factor is sufficient to bring about that event．
请给出正确答案和每个选项的解释。谢谢啦

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苏梳眠
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发表于 2012-1-29 16:05:55 |显示全部楼层

本帖最后由苏梳眠于 2012-1-29 16:24 编辑

建议先google，然后试试，找出具体问题所在和你的看法，然后再来征集解释。
A可以排除所有错误产物，但是也会排除3%的正确产物。
B也可以排除所有错误产物，但是也会排除3%的正确产物。
AB之间排除的正确产物无重复，AB无关联。排除AB的交集，将可以避免错误地排除正确产物。
A.论证是正确的。除非论据不正确。
B.论证有效，但不全面。其他因素可能不支持这个结论。
C.论证无效。论据有关但是不足以证明结论。
D.论证错误。结论不过是证据之一的复述。
E.论证错误。论证忽视了证据的充分性。

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