there are ____ in the purse. a.some dollars b.many dollars c.much dollars
题目
there are ____ in the purse. a.some dollars b.many dollars c.much dollars
there are ____ in the purse. a.some dollars b.many dollars c.much dollars
答案
a.some dollars
there are much dollars in the purse.
考点:一些钱/美元 some dollars
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.
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