求一篇英语作文 my college life (我的大学生活)
题目
求一篇英语作文 my college life (我的大学生活)
要原创的,拒绝抄袭……
答案
MY MOTHERMy mother is a kind-hearted, simple people. She never extravagance and waste, but also very honest, even if we are very poor at home, but she also other people Zhou Ji, her poor poor people, ...
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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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