学科英语-计算机系列019
I hear and I forget. I see and I remember. I do and I understand. Confucius。Chinese philosopher & reformer (551 BC - 479 BC)
真是实践出真知！
记忆有short-term memory 和long-term memory.
我们要让英语从表层进入深层，记忆从短暂到长久。
学科英语---让你学到真正的英语！！！！
( 2 sentences)http://t1.g.hjfile.cn/listen/201205/201205190230395903212.mp3Remove the CD-ROM from the tray.
Remember to hold the CD-ROM by the edges and put it back in its case.
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