1:shall we go out for a walk?
题目
1:shall we go out for a walk?
___ ____ going out for a walk?
2:it's hard to talk to him.
he is ___ ___ ___ ___.
答案
how,about
hard ,to ,talk ,with
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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