After that they gave our teachers very professional reviews and guidance, and had a lively discussion about "how to improve classroom efficiency."
课后，专家对课做了点评和专业的指导，并与老师们一起就“如何提高课堂效率”进行了热烈探讨。
Preview can make us have psychological preparation, can help us improve classroom efficiency.
预习可以使我们有心理准备，可以帮助我们提高课堂效率。
Preview can make us have psychological preparation, can help us improve classroom efficiency.
预习可以使我们有心理准备，可以帮助我们提高课堂效率。
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