Hard ________ he tried,he was unable to meet the deadline for the term paper.
题目
Hard ________ he tried,he was unable to meet the deadline for the term paper.
A.although B.as
C.if D.since
答案
B.
=No matter how hard he tried
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