写一个人过去做了某件事英语
题目
写一个人过去做了某件事英语
最好写一个名人50单词左右
答案
Last week was a busy week for me.On Monday,I was on duty.After shcool,I cleaned the classroom with some of my classmates.On Tuesday,we had a basketball match with the students in Class Two.Although we...
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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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