单选题在教学班级学生人数多,器材较少,新授教材比较容易,复习教材比较简单的情况下,宜采用()A两组一次等时轮换B三组两次等时轮换C先合后分D先分后后
单选题
在教学班级学生人数多,器材较少,新授教材比较容易,复习教材比较简单的情况下,宜采用()
A
两组一次等时轮换
B
三组两次等时轮换
C
先合后分
D
先分后后
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