He has eatting his lunch at 12 to1
题目
He has eatting his lunch at 12 to1
这句话对吗?
答案
错了.He was having his lunch from 12 o'clock to 1 o'coclk.
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