能不能推荐一些小学六年级英语课外读物,小说,初一的也可以,
题目
能不能推荐一些小学六年级英语课外读物,小说,初一的也可以,
答案
I have heard one sad story of a hitchhiker who went into a shop and saw the sign "Lift" but found it too heavy, then saw the sign "Pet Supplies" so he did, this wasn't too bad but then he went outside...
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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