I am talking to my friend 划线句子提问
题目
I am talking to my friend 划线句子提问
I am talking to (my friend划线的 )划线句子提问 还有 HIS brother is (wahching tv划线的 )对划线提问.
答案
Who are you talking to?
Who is watching TV?
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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