围绕three are ning chairs in the classroom写一篇短文
题目
围绕three are ning chairs in the classroom写一篇短文
答案
There are nine chairs in the classroom
Today I want to introduce my classroom to my readers.In my classroom,there are only three chairs.
I love my classroom because it is specially for my teacher and two students including me.We can learn together in class,sitting on three chairs.I really enjoy my class.
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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