英语作文 l want to thanks to my...
题目
英语作文 l want to thanks to my...
答案
I want to say thank you to my mom,especially on this special day today,because today is the mother's day,I love my mother,because my mother's love for me was very great,very unselfish,and mom's cookin...
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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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