以my family写一篇英语作文 80个单词
题目
以my family写一篇英语作文 80个单词
8句话左右
答案
My familyI have a happy and small family.There are three people in my family in all:my mother,my father and I.My mother often does the housework for our family,and my father works hard in a company.Wh...
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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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