问题
选择题
This is a kind of effective classroom teaching ______ students learn independently and cooperatively.
A．where
B．which
C．what
D．when
答案
A
题目分析：句意：这是一种有效的课堂教学，在这里学生独立合作的学习。这里使用的是定语从句，先行词是classroom teaching，定语从句中不缺主宾表，缺少的是地点状语，in the classroom teaching，所以用where引导定语从句，选A。