学期中有三个星期五的课堂安排一小时测验，考试的教室将在课上通知。

Hour exams will be held during the lecture hour on three Fridays during the term.

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课堂座位安排是班级环境的重要组成部分。

Classroom seating arrangements are an important component in class environment.

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灵活的时间安排和有趣的课堂更能激发孩子学习外语。

Children could be more motivated to learn a foreign language by the flexibility of timetable and interesting classes.

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All right, the problem sets: there will be roughly ten problem sets and I'll talk about them more later on when I hand them out.

关于课堂作业,我应该会安排十次左右的课堂作业,在留作业的时候我再细说

耶鲁公开课 - 博弈论课程节选