小学的英语作文《生病了》
题目
小学的英语作文《生病了》
答案
I Was Once So Ill (in Hospital) that【我曾经生病(住院)】 第一篇: I was born in a large family. As they worked very hard to make a living, my parents didn't have much time to take care of us childre...
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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