英语小故事(六年级的)(1分钟左右)
题目
英语小故事(六年级的)(1分钟左右)
急求
答案
你见过长有毛的海豚吗?Once there was a trained dolphin named,Regina and she had no home but her fur kept her warm.Then one day a mother dolphin went up to Regina and said,"I am your mother I found a ho...
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
最新试题
热门考点