Scientific experiments can go unchallenged for many years after they are replicated. 就削弱了结论:
It will be exposed and rendered harmless when other scientists conduct the experiments and obtain disconfirmatory results.
可是A说的是before,能削弱吗?
5. A gas tax of one cent per gallon would raise one billion dollars per year at current consumption rates. Since a tax of fifty cents per gallon would therefore raise fifty billion dollars per year, it seems a perfect way to deal with the federal budget deficit. This tax would have the additional advantage that the resulting drop in the demand for gasoline would be ecologically sound and would keep our country from being too dependent on foreign oil producers.
Which one of the following most clearly identifies an error in the author’s reasoning?
A) The author cites irrelevant data.
(B) The author relies on incorrect current consumption figures.
(C) The author makes incompatible assumptions.
(D) The author mistakes an effect for a cause.
(E) The author appeals to conscience rather than reason.
答案:C,我看了好几遍,都不知为什么是这个错误,能否讲讲?
谢谢.7A,我的理解是正因为在可以复制之前有很长的时候，那么在这段时间里这些试验可能会产生坏处的。文章的推倒是一个试验出了结果加上repilcation=>不会harm，这里我感觉有个假设，那就是出了试验结果马上就有他们复制，这里的A就是针对这个进行削弱的。改成after了就感觉好像感觉就是无关，呵呵是否harm没直接关系了。
5我的理解是有2个假设，1：A gas tax of one cent per gallon would raise one billion dollars per year推a tax of fifty cents per gallon would raise fifty billion dollars per year这里假设别的因素不会变化。2：dependent on foreign oil producers只是因为价格的问题，没有其他的因素。
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