This is a first time I have heard such a story 有什么语病 The old lady has two dogs and a cat A cat
题目
This is a first time I have heard such a story 有什么语病 The old lady has two dogs and a cat A cat
答案
a first time 改为the first time
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