用long long ago ,forest,flower,garden写一篇故事不少于30个词
题目
用long long ago ,forest,flower,garden写一篇故事不少于30个词
答案
Long long ago,there was a girl who lived beside the forest.One day,she was playing with her sister in the forest,but they were lost.As they followed a small path that led them to a beautiful garden.The garden was full of flowers,and there lived a bad witch.The bad witch told the sisters to stay go to her house but the older sister know the witch was bad.So the sisters ran back home before the witch catch her.
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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