this book is mine .就划线部分提问 (mine划线)
题目
this book is mine .就划线部分提问 (mine划线)
还有
1.I like to work with---------very much.
a.she b.her c.hers d.she's
2.she is a good student.------------ she?
a.is b.isn't c.does d.doesn't
答案
Whose book is this?
1、B
2、B
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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