英语翻译
题目
英语翻译
答案
My FriendSally is my best friend.She is a girl.Both of us are good at English,so we often talk in English in our spare time.After school,we often do homework together.When we are playing,she runs so f...
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