I hope the teacher in class so that the active classroom atmosphere.

希望老师在上课时使课堂气氛活跃。

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In classrooms with students as the center, it is important to build a harmonious, interactive and active classroom atmosphere.

在以学生为中心的课堂上，营造一个和谐、互动、活跃的课堂气氛是重要的条件。

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Classroom humour helps to activate students' thinking, active the classroom atmosphere, harmonize the relationship between teachers and students, edify students' temperament.

课堂幽默有利于激活学生思维，活跃课堂气氛，融洽师生关系，陶冶学生性情。

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So, for Professor Broadfoot, the key ingredients of good teaching included: creating an atmosphere of mutual respect and fairness in the classroom, providing opportunities for "active learning" and humour to encourage pupil engagement, making learning interesting, and explaining things clearly.

BBC: NEWS | UK | Education | What makes a good teacher?