— ________. Teachers won't give them homework any more.
A:Yes, they will
B:Yes, they do
C:No, they won't
D:No, they don't
正方形的外接圆半径与内切圆的半径之比为( )
下列关于岳飞的说法,正确的是( )
我国经济特区和香港、澳门特别行政区的最大区别在于( )