谁有5篇关于春天的5行英文小诗?
题目
谁有5篇关于春天的5行英文小诗?
答案
Spring is everywhere in East and West, Spring has the smell of a treasure quest, leaves of Spring in a treasure chest.And all of the fruits of Spring, I would really like to taste.And the best thing a...
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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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