一篇英语作文带翻译五年级水平100字左右
题目
一篇英语作文带翻译五年级水平100字左右
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1.A nice SundayIt is Sunday and it is a fine day today.We come to the People Park with our English teacher who came from Canada.Look !Tom and other five boys are playing football.Cina and some girl st...
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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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