求英语作文60词初一的 (my English teacher)
题目
求英语作文60词初一的 (my English teacher)
答案
My English teacher is a lady.She is very young but very good at teaching,I was told that she came from and was born in England.Her teaching method is very practical,although she could speak Chinese ve...
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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