feifei-132 求救阿，花了2小时没整明白

Questions 132-133
            

Nature constantly adjusts the atmospheric carbon level. An increase in the level causes the atmosphere to hold more heat, which causes more water to evaporate from the oceans, which causes increased rain. Rain washes some carbon from the air into the oceans, where it eventually becomes part of the seabed. A decrease in atmosphere carbon causes decreased evaporation from the oceans, which cause less rain, and thus less carbon is washed into the oceans. Yet some environmentalists worry that burning fossil fuels may raise atmospheric carbon to a dangerous level. It is true that a sustained increase would threaten human life. But the environmentalists should relax---nature will continually adjust the carbon level.

132. Each of the following can be inferred from the information in the passage EXCEPT:

A.        A decrease in the level of atmospheric heat causes a decrease in the amount of carbon that rain washes into the oceans from the air.

B.        An increase in the level of carbon in the atmosphere causes increased evaporation of ocean water.

C.        An increase in the level of atmospheric heat causes increased rainfall.

D.       A decrease in the level of carbon in the atmosphere causes decreased evaporation of ocean water.

E.        A decrease in the level of atmospheric heat causes a decrease in the level of carbon in the atmosphere.  为什么？？？

这道题为什么不选a 而选e！！！

On the other hand:

A decrease in atmosphere carbonàless heatà decreased evaporation from the oceansàless rainà washes less carbon from the air into the oceans

Hence, it is obvious that the correct answer is E.

A decrease in atmosphere carbonàless heatà   这个是怎么退出来的？？？？？？

明明e 是逆反命题阿~~~

求救~~~~

个人愚见，参与讨论一下

初步看了一遍题目，没有看楼主贴出来的解释的时候，觉得题目属于因果推理，不是条件推理，可以看到题目出现了causes，说明前面发生的event导致了后面event的发生。由于因果推理逻辑链条是单方向的，不能因果导致，即使是逆否命题也不能被推出。例如“我吃了更多的饭导致我力气变大了”不能推出“我力气变小了导致我吃了更少的饭”，这就类似E选项犯的错误。至于其他四个选项的逻辑链条指向都是单方向的，如果对原因取非，那结果也可以取非，也就是“无因则无果”。当然，如果出现在weaken题目中，A可能就犯了“误认为是唯一原因”的fallacy可以被攻击。

碳含量高－－－热量高－－－蒸汽多－－－下雨－－－冲下碳－－－进入大海－－－海床

碳含量低－－－蒸发少－－－下雨少－－－冲入大海的碳就少

环境学家：烧燃料－－－大气碳量多－－－威胁人们；其实不要担心，自然会调节

E：热量少－－－大气碳量少

这个不正确，热量少－－蒸发少－－－下雨少－－－冲入海洋的碳量少－－－则应该得出大气里的碳量应该相对较多

所以选E。

【A decrease in atmosphere carbonàless heatà 】这是根据“碳含量高－－－热量高－－－蒸汽多”和“碳含量低－－－蒸发少”得出来得

gao,但是如果能把因果，条件详细解释一下就好了

因果关系没有逆否命题，只有充分必要关系才有。原文是因果关系。E颠倒了因果。故错。

搂主把原文信息简化出来，推理结构就一目了然了

神仙回来啦.庆祝下.

谢谢，我的荣幸~~~

谢谢大家

因果型是不是关键词为cause  because ？？？

条件型为if ?