The proactive teacher has planned her lessons so that she has a few minutes at the end of each period to get things ready for her next class before passing time.

的老师先计划好他的课程，所以每节下课前几分钟，他会利用交接时间前，把下节课需用的东西准备妥当。

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We put them on an education assembly line every day, starting with one station that teaches them a certain subject before automatically moving them to the next class after a certain period of time.

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