33.A:Could you tell us__ ____?B:Certainly.
题目
33.A:Could you tell us__ ____?B:Certainly.
A.where you live in B.who you are waiting for
C.where do you live D.who are you waiting for
选哪个?为什么我觉得A,B都对,
答案
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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