英格兰的老师被训练去将每一堂课以三分钟为单位做出规划，这给课堂留下了极少的自发性和灵活性。

Teachers in England are trained to plan lessons in segments of three minutes, a theory which leaves little room for spontaneity in the classroom.

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天主堂的钟正敲着早晨两点，冉阿让醒了。

As the Cathedral clock struck two in the morning, jean Valjean awoke.

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而在美国，高中老师通常上三堂九十分钟(每天四节)或四到五节五十分钟的课程(每天七节)。

In the United States, high school teachers typically teach three 90-minute periods (out of four) or four or five 50-minute periods (out of seven).

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