-- Yes. I've never been to _________ one before.
A:a more exciting
B:the most excited
C:a more excited
D:the most exciting
下列天体系统中,不包括地球的是 ( )
若不等式1n+1+1n+2+⋯+12n>m72对于大于1的一切正整数n都成立,则正整数m的最大值为 ( )