There is a big difference of English basil knowledge among the students in vocational school.
中等职业学校学生英语基础差距较大，解决此问题的最好办法是实施分层次教学。
Nowadays the students in the vocational school sleep in class commonly.
在中等职业学校中，学生上课睡觉是一种十分常见的现象。
Nowadays the students in the vocational school sleep in class commonly.
在中等职业学校中，学生上课睡觉是一种十分常见的现象。
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