1、( )are friends.
题目
1、( )are friends.
A.I and john B、John and I C、John and me
2、I don’t like ( )
A、his those friends B、those friends of him C、those friends
of his
两道题都要说出理由!
答案
B、John and I
C、those friends of his
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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