一篇关于假期生活的英语作文
题目
一篇关于假期生活的英语作文
要用过去式,不要太短,中学水平的
答案
My vacation
This winter I had a good vacation.
I got up early every day,and I was busy.Because I had to clean my bedroom.
But I thought that's terrible.I don't like that.And some days,I played with my friends.And some days I had to do my homework,they weren't easy.Of course I played with computer.And sometimes I talked with my parents.My winter vacation was very great.What about your vacation?
举一反三
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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