Giáo viên phải tươi cười với học sinh
(TPO) - Mỗi khi bắt đầu giờ học, các giáo viên của một trường trung học ở  Anh được yêu cầu phải mỉm cười với học sinh, và  tránh làm học sinh buồn chán bằng việc dùng những từ  ngữ quá khó hoặc quá dễ.
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