求一篇大学英语作文,议论文~
题目
求一篇大学英语作文,议论文~
some people think that animals should be treated as friends ,yet others only consider animals as sources of food and clothing .what's your opinion?
答案
What animals mean to human being,close friends or lists of recipe?Some people consider that animals should be regarded as friends instead of food or sources of clothing,while the opponents think anima...
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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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