求一篇关于除夕的英语文章.做作文用的.
题目
求一篇关于除夕的英语文章.做作文用的.
答案
a new year ,a new start,when i stand on the edge of a new year,i can't help thinking about my plan of next year.just as the old saying:“well began is the half of the success.”so i decide that i sho...
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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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