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比如有一道题说从1992年开始,在b地区开始非法捕龙虾,合法捕龙虾的量就少了。
在合法捕龙虾活动并没有减少的情况下,1996年合法捕龙虾比92年以前少了9000吨。
(果)前提:1996,合法捕龙虾比1992年以前少了9000吨
(因)结论:1996年非法捕走了9000吨
原文是这个:
In 1992 outlaw fishing boats began illegally harvesting lobsters from the territorial waters of the country of Belukia. Soon after, the annual tonnage of lobster legally harvested in Belukian waters began declining; in 1996, despite there being no reduction in the level of legal lobster fishing activity, the local catch was 9,000 tons below pre-1992 levels. It is therefore highly likely that the outlaw fishing boats harvested about 9,000 tons of lobster illegally that year.
Which of the following is an assumption on which the argument depends?
A. The illegal lobster harvesting was not so extensive that the population of catchable lobsters in Belukia’s territorial waters had sharply declined by 1996.
B. The average annual lobster catch, in tons, of an outlaw fishing boat has increased steadily since 1992.
C. Outlaw fishing boats do not, as a group, harvest more lobsters than do licensed lobster-fishing boats.
D. The annual legal lobster harvest in Belukia in 1996 was not significantly less than 9,000 tons.
E. A significant proportion of Belukia’s operators of licensed lobster-fishing boats went out of business between 1992 and 1996.
(选A)
所有的评估方向都是weaken,问assumption, strenthen这类的题,如果取非后可以削弱,那么原选项就一定可以加强。
我说我一下我的取非过程,大家帮我看看我的思路对不对好吗?
那么A选项说,非法捕龙虾并没有严重到让b地区可捕的龙虾数量显著减少的程度。
取非:非法捕龙虾很严重,使得B地区可捕的龙虾明显减少。
削弱了由于1996年非法捕捞了9000吨导致的合法捕捞少,因为给出了另外一个原因,就是以前几年连续的非法捕捞导致湖里的龙虾少了,生态平衡被破坏了,所以96年合法捕捞捞不到了。所以它原来的说法就是加强选项。
但是还有另外一道题,
说2008年,35岁以后生孩子的女人比1990年上升了64%,因为年轻人没有钱,就得晚育。结论:年轻更容易因为经济原因选择晚育。
答案选,对于怀孕的态度2008年和1990年没有差别。(the attitudes toward pregnancy in 2008 are not significantly different from the attitudes in 1990)
取非的话,就是:2008年和1990年有差别,1990年的时候女人还没有经济因素困扰,到了2008年女人由于经济原因选择晚育。可是这样不是加强了吗?
啊啊 搞不懂,一会儿明白一会儿糊涂的,麻烦大家帮我看看
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