◎ 题干
TV-Turnoff Week, _______ millions of people around the world participate every year, tries to
encourage people to turn on life.
[     ]
A. in which
B. on which
C. which
D. when
◎ 答案
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◎ 解析
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◎ 知识点
    根据魔方格专家分析,试题“TV-Turnoff Week, _______ millions of people around the world participate every year, tries toencourage people to turn on life. [ ]A. in whichB. on whichC. wh…”主要考查了你对  【关系代词】【介词和介词短语】【非限制性定语从句】  等知识点的理解和应用能力。关于这些知识点的“档案”,你可以点击相应的链接进行查看和学习。