初一英语作文《My bset friend》80个单词
题目
初一英语作文《My bset friend》80个单词
答案
Taro is my good friend.He has big eyes and fair hair.He likes makeing jokes.He often play basketball with me.we also work together and help each other.we are happy when
playing.I like my friend ..
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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