初三英语作文How did I spend my spring Festival
题目
初三英语作文How did I spend my spring Festival
答案
My spring festival was great.Before the chinese new year,my families were all going to my grandparents’.Many of my relatives there were playing all the night.At night,we set off firecrackers(鞭炮) ....
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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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