有关做家务的英语文章
题目
有关做家务的英语文章
答案
Last Saturday, My family and I went to my aunt's house to help her do housework. Oh, my god! "It's too dirty!"I said,"Yes,I think so."Then,we did housework. I did the dishes and folded the clothes; ...
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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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