— Only________ people can afford to travel around the world.
—Not exactly. I heard that a poor student travelled around the world with little money.
A:rich
B:poor
C:strong
社团
围棋
戏剧
足球
人数
10
m
n
已知从这些同学中任取一人,得到是参加围棋社团的同学的概率为 513 .
若反比例函数y=m+1x3-m2的图象在第二、四象限,m的值为____
东北三省经常受到哪种灾害的影响( )