DO you need a friend WHY 英语作文题目 80-100
题目
DO you need a friend WHY 英语作文题目 80-100
答案
Why do you need friends?Firstly,the life is like a trip,if you have the trip alone,you can't face the accidents on the trip ,or you can't make the solution quickly because you can't make sure.This tim...
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
最新试题
热门考点