direct their own clothes to wear to school or to put on their clothes after school?
题目
direct their own clothes to wear to school or to put on their clothes after school?
答案
指导他们穿上自己的衣服去上学或者放学后穿上衣服.
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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