We are good friends.I often talk ________ him after class.
题目
We are good friends.I often talk ________ him after class.
He isn't playing _______ a computer now.
The girl is showing her parents ________ her school.
答案
with (talk with..和...聊天)
with (play with sth 玩.)
around (show sb around...带某人参观...)
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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