模仿例句提问
题目
模仿例句提问
例句:I an a student.(you?) Are you a student?
I cleaned my room yesterday.(you?) ____________________
There is some milk here.(any biscuits?)
___________________________
答案
Do you clean your room yesterday?
Are there any biscuits here ?
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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