glad to hear that you are fine .hope your life is becoming better and better
题目
glad to hear that you are fine .hope your life is becoming better and better
答案
很高兴听说你过的很好.希望你的生活越来越美满.
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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