The drunken husband knocked against the table and sent the bowls__________in all directions before he was sent__________by his wife.

A．flying；to sleep

B．flying；sleeping

C．to fly；to sleeping

D．to fly；to sleep

对于一个具有体心立方结构的金属，其晶格常数为a，

画出第一布里渊区，并求出其面积。