作业帮新GRE逻辑单题10套 第4套7题,求教.
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新GRE逻辑单题10套 第4套7题,求教.
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.
答案就选A,其他选项我知道都不对,就不列出来了.
关键是这句话：
using both systems and rejecting only those products
found flawed by both would be a way of avoiding all
erroneous rejections.
我的理解是,两个系统都用,然后只去掉那些同时被发现为次品的产品,就可以避免漏掉任何次品了.但是,“同时被发现为次品的产品”都是真正的次品呀,怎么能被去掉呢?如果是从数量上讲,减去重叠部分的数量,那还可以理解,但是这里没说数量关系啊?
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.
答案就选A,其他选项我知道都不对,就不列出来了.
关键是这句话：
using both systems and rejecting only those products
found flawed by both would be a way of avoiding all
erroneous rejections.
我的理解是,两个系统都用,然后只去掉那些同时被发现为次品的产品,就可以避免漏掉任何次品了.但是,“同时被发现为次品的产品”都是真正的次品呀,怎么能被去掉呢?如果是从数量上讲,减去重叠部分的数量,那还可以理解,但是这里没说数量关系啊?
不明白你在纠结什么,你这个不是对选项的不理解,而是对文章的不理解.人家文章说了这俩系统就是检测次品的啊,真正的次品检测出来当然要去掉了,要不然检测干嘛啊……而且你的理解也是错的啊,文章都意思是说两个都检测为次品时,可以完全避免单独检测时那3%的错误检测
再问： 呃，那可能是我这句话没有理rejecting only those products found flawed by both是什么意思？既然两个都检测为次品，为什么还要reject它们？
再答： 丢弃那些被二者都检测出缺陷的产品。检测出的次品当然要被reject啊，要不然检测次品干什么啊，就是检测着玩么？我好奇你是怎么理解的
再问： but would also erroneously reject three percent of flawless products怎么翻译呢？ 会错误地抛弃3%的次品？次品不是本来就应该被抛弃么？有什么错不错误的？ reject应该不是简单的抛弃的意思吧？ 我的意思就是erroneously reject three percent of flawless products和rejecting only those products found flawed by both两句中的reject要不意思不同，要不就矛盾了。。。
再答： 天啊，做GRE就怕钻牛角尖，你这样考试的时候会吃大亏的。
再问： 呃，那可能是我这句话没有理rejecting only those products found flawed by both是什么意思？既然两个都检测为次品，为什么还要reject它们？
再答： 丢弃那些被二者都检测出缺陷的产品。检测出的次品当然要被reject啊，要不然检测次品干什么啊，就是检测着玩么？我好奇你是怎么理解的
再问： but would also erroneously reject three percent of flawless products怎么翻译呢？ 会错误地抛弃3%的次品？次品不是本来就应该被抛弃么？有什么错不错误的？ reject应该不是简单的抛弃的意思吧？ 我的意思就是erroneously reject three percent of flawless products和rejecting only those products found flawed by both两句中的reject要不意思不同，要不就矛盾了。。。
再答： 天啊，做GRE就怕钻牛角尖，你这样考试的时候会吃大亏的。
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