where are the our newspapers?they are some of them in the bedroom语法对吗
题目
where are the our newspapers?they are some of them in the bedroom语法对吗
答案
都有错.
Where are the newspapers? They are in the bedroom. / Some of them are in the 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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