问题
选择题
Rock-climbing is a breathtaking activity, very popular nationwide among young people, ______ cooperation as well as courage plays an important role.
A.who
B.where
C.which
D.of which
答案
答案:B
题目分析:考查定语从句。分析结构可知此处是定语从句,从句中意思完整,不缺少成分,故用关系副词引导,答案选B。攀岩是一种惊险的活动,它在全国范围内的年轻人中非常流行,在这种活动中勇气还有合作起着重要的作用。