脑力和体力活动的交替进行也颇为有效，例如课堂上放电影、磁带、教学卡片，以及让孩子加入小组活动等。

Alternating between physical and mental activities helps, too, as does increasing the novelty of lessons by blending films, tapes, flash CARDS, and group work.

youdao

脑力和体力活动的交替进行也颇为有效，例如课堂上放电影、磁带、教学卡片，以及让孩子加入小组活动等。

Alternating between physical and mental activities helps, too, as does increasing the novelty of lessons by blending films, tapes, flash CARDS, and group work.

youdao