The book was on the desk just now(对划线部分提问)
题目
The book was on the desk just now(对划线部分提问)
划线的是on the desk
答案
The book was on the desk just now(对划线部分提问)
Where was the book just now?
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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