The book was so interesting that he had read it for three hours____he realized it.(before/until)
题目
The book was so interesting that he had read it for three hours____he realized it.(before/until)
好像正确答案是before ,.....
答案
应该是before,我以前做过,也错过,所以印象深刻
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