Do you think there is a big market for hula hoop in Philippines?
题目
Do you think there is a big market for hula hoop in Philippines?
答案
Sorry,I don't know.To be honest,I don't know anything about sports in Philippines`````However,personally I think females would like to buy one to keep in good shape~
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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