the professor can hardly find sufficient grounds on which to base his argument in favor of the new t
题目
the professor can hardly find sufficient grounds on which to base his argument in favor of the new theory黑体词组怎么理解,我不明白为什么不是被动呢
答案
没有被动 .应该是这样的 :教授很难找到足够的理由来支持他得新理论.
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