A:What are these?B.:These are books.A:Thanks.
题目
A:What are these?B.:These are books.A:Thanks.
A:What are these?
B:They are books.
A:Thanks.
B:________________.
最后那句该怎么回答?
答案
You're welcome!
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