There are some water in the bottle.一般疑问句,肯否定,对some和some water提问回答必采纳
题目
There are some water in the bottle.一般疑问句,肯否定,对some和some water提问回答必采纳
答案
How much water in the bottle?
What are there in the bottle?
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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