Before class, the teacher will hand some relevant materials to us and require us to prepare well for the course.

每周课前老师都会发相关资料给我们，让我们准备，然后上课时再进行小组与小组间的谈判活动。

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Secondly, you have to prepare lessons before class that will help you understand what the teacher says in the class.

其次，你要预习，这样可以让你理解老师在课堂上说的东西。

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It is one of the demands before having class to prepare for the lessons well.

课前备课是上好每一节课的重要要求。

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