题目内容
20．Look!The water in the lake has become yellow!We can't turn a blind eye to thepollution．（pollute）分析 看！湖水已经变黄了．我们不能对污染视而不见．
解答 答案：pollution 提示pollute，动词，污染．根据题干，结合提示，可知句意为：看！湖水已经变黄了．我们不能对污染视而不见．the+名词，pollute的名词形式为：pollution，污染，不可数名词．故填：pollution．
点评 本题主要考查名词．pollution，污染，不可数名词．平时应该注意词性的掌握．
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