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But句中找推论--2012高考英语单选考点详解

推论在尾段,找不到就向中心靠拢,或找but句。

A.human life will not last more than 120 years in the future

B.humans have to take medicine to build new skin cells now

C.much needs to be done before humans can have a longer life

D.we have already solved the technical problems in building new cells

发现此细节题通过关键字无法定位,但57和59题都解决了,发现第二大段没出题或只出了一个题,按出题顺序,本问题58题应该定位在第二段。

通过选项中被动结构的容易是答案原则,可定位58题D选项容易是答案!然后划D项中的名词medicine和organs,到第二大段中去找。

发现medicine在第二大段中反复出现,即为中心词。当然就可以确定D是答案了!