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雅思阅读判断题Not Given考点分析 Ⅴ. 题目句子中的主谓宾结构在原文中无法对应，则答案判断为Not Given。 原文: In the last 20 years, scientists have detected an increasing variety of toxic contaminants in the North, including pesticides from agriculture, chemicals and heavy metals from industry, and even radioactive fall-out from Chernobyl. These are substances that have invaded ecosystems virtually worldwide, but they are especially worrisome in the Arctic. 题目: Industry in the Arctic has increased over the last 20 years. 分析： 第一步：确定题目中的定位词。定位词分别是时间表达式over the last 20 years，专有名词Arctic和主语Industry。另外，考点词是increased。 第二步：定位词到原文中定位。文章原句是: In the last 20 years, scientists have detected an increasing variety of toxic contaminants in the North, including pesticides from agriculture, chemicals and heavy metals from industry, 我们发现在原文中的时间对应词和题目中的相同，而Arctic在原文中也没有变化。而考点词在原文中转化成了increasing。原文的表述是 an increasing variety of toxic contaminants，说明增加的是variety of toxic contaminants，而题目中的主语是Industry。而industry在文章中的表述是heavy metals from industry。但这并不能判断工业是否增长。所以本题判断为not given。 | 
