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~
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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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