He begs his teacher to talk twice as quickly so that class will be over in half the time.
他乞求老师在讲课时语速再快上一倍，那就能提前一半的时间下课。
The teacher told the children to talk one at a time; if they all talked at one time. she could not understand them.
老师叫孩子们一个接一个讲；假如他们一起讲，她无法听清楚。
In such a class, the teacher controls almost every topic and takes up most of the talk time. Students have extremely slime opportunities to think creatively and make output independently.
在这样的课堂上，教师几乎控制了所有的教学话题并占用了绝大部分的课堂话语量，学生很少有机会自主思考并进行语言输出。
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