Write a letter to your e-pal,tell her your plan for this winter holidays .Make it interesting and
题目
Write a letter to your e-pal,tell her your plan for this winter holidays .Make it interesting and
full of national culture.
答案
Dear John,Happy new year.How are you these holidays?Busy at attending the family events?Hope you don't gain weight for so many feast :pI visited some families these days.And I went to Hongkong.We were...
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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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