what did peopel wear?did you find out?的意思
题目
what did peopel wear?did you find out?的意思
what did peopel wear?did you find out?里did you find out?的意思.
十万火急!
答案
what did peopel wear?did you find out?
人们穿什么衣服?你有什么发现吗?
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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