题目内容
5.Nowadays scientists are working hard to find out what to do withpollutedair.(pollute)分析 现在科学家们正在努力找出如何处理被污染的空气的方法.
解答 答案:polluted.
根据Nowadays scientists are working hard to find out what to do with--air.(pollute)可知现在科学家们正在努力找出如何处理被污染的空气方法.这里air是个名词,前面应该用形容词修饰,pollute的形容词是polluted,表示污染的.故填polluted.
点评 本题考查用所给单词的适当形式填空,首先要根据语境明确句意,然后再根据相关语法对所给单词在形式上做出正确的变化.
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