当前位置: > there are two sisters.one is in the daytime.one is in the nighttime.but they never meet each other.w...
题目
there are two sisters.one is in the daytime.one is in the nighttime.but they never meet each other.what are they?

提问时间:2020-11-14

答案
the sun the moon
仅供参考,不胜荣幸!
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
奥巴马演讲不用看稿子.为什么中国领导演讲要看?
想找英语初三上学期的首字母填空练习……
英语翻译
版权所有 CopyRight © 2012-2019 超级试练试题库 All Rights Reserved.