You have to( ) the plan before deciding to d
题目
You have to( ) the plan before deciding to d
You have to( ) the plan before deciding to do it.A talk to B talk at C talk with D talk about
答案
选d,talk to sb,没有talk at,talk with sb.talk about sth,
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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