英语翻译
题目
英语翻译
I think Tom is in his bedroom.(改为否定句）
I ____ _____ Tom ______ in his bedroom.
答案
和.交谈 talk with sb
do well in 做得好
One of the boys__is____ my brother.A.is B.are C.am
I think Tom is in his bedroom.(改为否定句）
I __don't__ __think___ Tom ___is___ in his bedroom.
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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