求一篇英语口语的材料.
题目
求一篇英语口语的材料.
Do you believe in saying "clothes make the man"?why or why not?
答案
The paper introduces the operation principles and characteristics of conventional current-fed parallel resonant inverter and full-bridge topology for a Cold Cathode Fluorescent Lamp(CCFL) driver circu...
举一反三
我想写一篇关于奥巴马的演讲的文章,写哪一篇好呢?为什么好
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