题目内容
20.Too much smoking is harmful(有害的) to health.分析 吸烟过多对健康有害.
解答 harmful 考查形容词.根据所给的汉语提示"有害的"和空前的系动词is可知,此处应用形容词形式,故填harmful.
点评 形容词是中学英语的重要语法,解题时首先要根据语境和逻辑来推断出空所需要的词性,或者是根据句子结构的需要来推断词性,然后根据所给的汉语提示及首字母写出正确答案.
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