-Do you think their table tennis team will win the first place at the coming Asian Games?

-________.Ours is much stronger than theirs.[ ]

A．Of course  

B．It depends

C．Don't mention it 

D．By no means

关于下颁弓明显宽于上颌弓的排牙方法错误的是

A．A区和C区互换

B．B区和C区互换

C．A区和D区互换

D．首选无尖牙

E．后牙排成反牙合