烧煤的工厂排出的大量黑烟还在污染空气．Factories that burn coal stillpollute the air with a lot of black smoke．题目和参考答案——青夏教育精英家教网—

5．烧煤的工厂排出的大量黑烟还在污染空气．（pollute）
Factories that burn coal stillpollute the air with a lot of black smoke．

分析 pollute the air

解答答案：pollute the air．
首先通过中英文句子的比对，可知英文句子中缺少"污染空气"的表达．短语"污染空气"的英文表达是：pollute the air，句子表述的是现在的情况，所以用一般现在时，that引导定语从句修饰先行词factories（主语），故答案为：pollute the air

点评做这类题型，首先根据所给汉语明确句子所要考查的单词或短语的拼写，再结合相关语法知识对单词或短语做出形式上的变化．

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