题目内容

2．In time when there wasn't enough food，some peoplefed on（以…为食） leaves．

分析 在没有足够的食物的时候，有些人以树叶为食．

解答 答案：fed on 根据题干In time when there wasn't enough food，some people___（以…为食） leaves．可知句意为：在没有足够的食物的时候，有些人以树叶为食．根据In time when there wasn't enough food，是一般过去时态，是说过去发生的事情．可知下文也应该是一般过去时态．feed on，以…为食，动词短语．feed，过去式为fed．故填：fed on．

点评 主要考查学生"识词、记词和用词"的能力．这类试题体现了"词不离句"的特点，要求学生注意单词在句子中的确切含义与正确形式，而不是孤立地死记硬背单词．本题主要考查feed on，以…为食，动词短语．

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