题目内容
18.It's generally accepted that air pollution isharmful (harm)to people's health.分析 人们普遍认为空气污染对健康有害.
解答 答案是harmful.本题考查语境中选用所给词的恰当形式; harm n./v.危害;harmful adj.有害的;be harmful to 对…有害;故答案是harmful.
点评 本题是要求用所给词的适当形式填空,解题时首先根据句子的结构考虑句中需要的词性;其次,关注所选词的形式的变化:如果是谓语动词关注时态、语态和数的变化;如果是非谓语动词要联系非谓语的基本用法判断非谓语的形式.如果是名词关注单数和复数的选用等.
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