用understand nervous calm test speech hang thought topic noise spi 造句并翻译,分别四句!
题目
用understand nervous calm test speech hang thought topic noise spi 造句并翻译,分别四句!
答案
I understand how nervous he was when he had to make a speech in front of his college professor and colleagues Surprisingly,he seems to be very calm when his enemies hang out and spread bad topics abou...
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已知函数f（x）=x，g（x）=alnx，a∈R．若曲线y=f（x）与曲线y=g（x）相交，且在交点处有相同的切线，求a的值和该切线方程．
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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