小学英语日记 带翻译只要5句话
题目
小学英语日记 带翻译只要5句话
答案
There are 3 people in my family.They are my father,my mother and me.My father is a policeman.My mother is a housewife.I am a student in xxx School.My favorite subject is English,because I think it is ...
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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