选择答句how are you getting on with your work
题目
选择答句how are you getting on with your work
very good
not very well
great
not too bad
答案
not very well. 不解释 答对了来谢我
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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