请以“friendship”写一篇英语作文
题目
请以“friendship”写一篇英语作文
答案
I have many friends,but my best friend is xiao Ming.We have known,that the kindergarten when I saw him have any snacks eat,I feel like but is there.Xiao Ming saw will give me half.
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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