题目内容

5．Nearly3.500years ago，people chewed on leaves or drank a kind of tea made from leaves_____ a special chemical _________ body pains and fever．（　　）
A．possessed； reducingB．possessing； to reduce
C．possessed； reducedD．possessing； reduced

分析 人们咀嚼树叶和喝一种由树叶做的含有一种特殊的化学物质的茶来减少身体疼痛和高烧．

解答 答案：B，考查非谓语形式和动词不定式的用法，possess"含有，拥有"，其其逻辑主语leaves构成主动的关系，因此使用现在分词短语充当后置定语，排除AC选项，根据语境人们"咀嚼树叶和喝一种由树叶做的含有一种特殊的化学物质的茶"目的是为了"减少身体疼痛和高烧"，因此第二个空使用动词不定式充当目的状语，故答案为B．

点评 考查非谓语形式和动词不定式的用法，应判断其与主语是主动还是被动的关系，再确定答案，注意动词不定式可作目的状语．

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