it is better to give than to receive
题目
it is better to give than to receive
谁可以帮我写一篇演讲稿 以it is better to give than to receive
答案
there is an old saying goes,Roses given,fragrance in hand.it is better to give than to receive.recently i watched a move called The Shawshank Redemption,it talks about Andy,the main actor,who has been...
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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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