my room 作文40词求救啊不会写!
题目
my room 作文40词求救啊不会写!
答案
I have a room,it is so wonderful.And i like staying here very much.
There is a bed ,a desk,a chair and some toys in my room.After school i do my homework in here,sometimes i play with my toys happily.Although it isn't large enough,i love it so much.
In my room,i can enjoy my private space.
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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