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【题目】Hangzhou marathon is a race _______ aim is to help people know the importance of taking exercise.

A. where B. whose C. which D. that

【答案】B

【解析】句意:杭州马拉松旨在帮助人们了解锻炼的重要性。先行词是a race,______ aim is to help people know the importance of taking exercise定语从句,aim前缺少定语,故选B项。

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