气缸在使用中，它的磨损程度是（）的。
A.不均匀
B.均匀
C.无变化
参考答案：A
只要耳的结构完好，人就肯定能够听见声音．______．（判断对错）
Nobody wanted to __________ matters for him though everyone knew that he was blameless.[ ]
A．solve
B．clarify
C．handle
D．set about
