树袋熊的英文介绍
题目
树袋熊的英文介绍
稍微长一点,像一楼那样
答案
What is this?This is a koala,her name is Lily.She is five years old,she is from Australia.She is very cute,and kind of friendly.And she is also very clever.She likes to play with her friends and eat leaves.She sleeps during the day, but at night she gets up and eat leaves.Do you love her?
你上初中吗?如果是初中这点字数应该够了.
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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