A:必在圆x2+y2=2上
B:必在圆x2+y2=2内
C:必在圆x2+y2=2外
D:以上三种情况都有可能
下列说法正确的是( )
Xiaoming and his brother are ____ a ____.
戊戌变法的法令中,属于经济方面的内容是( )