Because the snowstorm forced the main road to be closed,we will have to put off our visit to the exh
题目
Because the snowstorm forced the main road to be closed,we will have to put off our visit to the exhibition _______ till next week.
A,to be held B,being held C,held D,having been held
答案
Bthe exhibition to be held next week.(下周要举行的艺术展)the exhibition being held now (正在举行的艺术展)the exhibition held +过去时间(某时举行的艺术展)这三种是很常见的考点,分别代表将来、现在或过...
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
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