there be ...doing 的用法
题目
there be ...doing 的用法
答案
There is a boy standing on the beach wondering if his father will come back with his fishing boat.There are so many people shouting and quarreling in front of the market entrance.There was a female po...
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