do you like to buy this new kind of computer?
题目
do you like to buy this new kind of computer?
yes l do but l dongt have to pay for it
a so many money b so much money
c many enough moner c enter for
选什么?理由?
答案
LS你搞笑?
b so much money
固定短语 so much money
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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