以My busy weekend为题的作文(初二)
题目
以My busy weekend为题的作文(初二)
答案
My Busy WeekendMy last weekend was busy.On Saturday morning,I cleaned my room.It was dirty,but now it is clean.In the afternoon,I played soccer with my friends.At night,Idid my homewerk.It was enough ...
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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