金属由于具有良好的（），所以能进行轧制、挤压、拉拔等压力加工.
A.韧性
B.塑性
C.强度
D.硬度
参考答案：B
All of a sudden, Mary was very surprised to find the golden watch she ______ was nowhere to be found.[ ]
A．repaired it
B．which had repaired
C．had repaired
D．had had repaired
不属于治疗耳鸣主穴的是（）
A.翳风
B.听会
C.丰隆
D.中渚
E.侠溪
