题目内容
9.The cream acts as abarrier(屏障;障碍物)against infection.分析 这种乳膏起屏障作用,防止感染.
解答 答案是barrier.本题考查语境中选用恰当的词或短语;barrier n.障碍;障碍物;题干中不定冠词a后面需要的是名词,故答案是barrier.
点评 翻译填空要在理解句子的结构和含义的基础上根据汉语意思选择恰当的词、短语或句型;同时注意所选词的形式变化.
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