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英语阅读理解中What can be inferred from the passage的问题

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英语阅读理解中What can be inferred from the passage的问题
答案中有意思正确的选项,但这是文中告诉你的信息,能不能算是infer?
这是原文第一段
Electric cars are dirty. In fact, not only are they dirty, they might even be more dirty than their gasoline-powered cousins.
全文 http://www.nen.com.cn/73467172390699008/20081124/2520450_3.shtml
这是其中一个问题
61. It can be inferred from the passage that __________.
A) Being green is good and should be encouraged in communications
B) Electric cars are not clean in that we get electricity mainly by burning something.
C) Zero-emissions vehicles should be chosen to protect our environment.
D) Electric cars are now the dominant vehicle compared with gasoline-powered cousins.
答案是 B
我认为B是文章中告诉你的
其实一开始我也错选了C.
请注意,我们有一个“推断一次性原则”,就是说只推断一次,不能连续推断.虽说文章是要infer,但还是不能离开文章推断的.原文中中心思想是“电车很dirty,甚至比一般烧燃料的还脏”,所以推断电车使用的某种燃料很污染环境(B).[很傻,但是确实是最直接的推断!]
A,C从常理来说没错,但是都进行了2次推断,是在B的基础上衍生出来的.D文章未提及.
也许很傻 但是考试就是这样的 多总结这种推断题吧