I often write to eileen and tell her about all the things that are happening at the Ajax Compangy翻
题目
I often write to eileen and tell her about all the things that are happening at the Ajax Compangy翻
答案
我经常给eileen写信告诉她发生在Ajax公司的所有事情.
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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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