long long ago,there was a child…… 请以这个为开头编一个五句话的故
题目
long long ago,there was a child…… 请以这个为开头编一个五句话的故
long long ago,there was a child……
请以这个为开头编一个五句话的故事
答案
Long long ago there was a child.He wanted to make money to support himself .He went to a city.On the way he met an old man.The man told him that it was very difficult to earn money for a child.And he ...
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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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