They have been given two tickets for the new play at the Grand Theatre.这里for是不是引导的状语从句?
题目
They have been given two tickets for the new play at the Grand Theatre.这里for是不是引导的状语从句?
How many tress have been planted this year?
Mary was asked to show me her new book.
The mokey was seen to jump off the tree.
答案
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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