题目内容
20．Jack很喜欢上网，但是他从浏览不健康的网页．Jack likes surfing the Internet but he neverlooks throughunheathy web pages．（look）
分析 looks through
解答 答案：looks through
通过对比，发现英文句子中缺少"浏览"的表达；结合中英文句子，可知此句是由but连接的并列句；"浏览"做后面分句的谓语，所以应用固定动词短语look through；根据句意和关键词likes可知此句说的是客观事实，应用一般现在时表达，主语为三单he，所以谓语动词look也要用相应的三单形式looks．故填写：looks through
点评 此题考查固定短语的表达．做题的关键一是确定出正确的短语；二是联系句子的时态对谓语动词做出相应的变化．
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