ether last
题目
ether last
Well poor Mags is stuck with me all day,I'm sure ether last thing she wants to do when she gets home is talk about me.
答案
醚的最后一件事
举一反三
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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