托福阅读选项设置原理，托福阅读考试中，很多考生在做选项选择的时候，容易出现纠结的情况，往往还容易出错，那么想要提高正确率，考生首先来了解一下托福阅读选项设置原理吧。
托福阅读选项设置原理简介
ETS在设置选项时，会出现很多迷惑性的、看似与原文相似的信息;比如A、B选项实际都是原文本身不存在、却被随意推断出来的信息，而这种选项一定错;同时正确答案会与原文发生paraphrase, 中文俗称“同义转述”。
托福阅读做题思路实例讲解
既然思路已经明确了，那么我们看下面一道题目：
The numbers of deer have fluctuated markedly since the entry of Europeans into Puget Sound country. The early explorers and settlers told of abundant deer in the early 1800s and yet almost in the same breath bemoaned the lack of this succulent game animal. David Douglas, Scottish botanical explorer of the 1830s, found a disturbing change in the animal life around the fort during the period between his first visit in 1825 and his final contact with the fort in 1832. A recent Douglas biographer states:" The deer which once picturesquely dotted the meadows around the fort were gone [in 1832], hunted to extermination in order to protect the crops."
Q：According to the paragraph, how had Fort Vancouver changed by the time David Douglas returned in 1832?
A：The fort had become the headquarters for the Hudson's Bay Company.
B：Deer had begun populating the meadows around the fort.
C：Deer populations near the fort had been destroyed.
D：Crop yields in the area around the fort had decreased.
答案和思路分析
答案是C。
题目问FV地区有什么转变，取自原文最后一句：鹿消失了，是为保护庄稼而猎杀殆尽。destroyed转述原文的were gone。
我们观察下D选项，“庄稼产量减少了”。会有同学开脑洞，难道不是因为庄稼要废了，才去保护的吗?所以也可以理解为庄稼的转变?--不选的原理很简单：原文没明说，不能随意推断。
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