在下列四种因素:1.去除涂覆层2.热应力3.轴线不一致4.横向错位中,共有几项会影响光纤接头的机械强度()。
A.1项
B.2项
C.3项
D.4项
参考答案:D
- How long is it ______ you picked up your badminton training?
- It was not until my finance became better in last December ______ I started the training. [ ]
A. before; when
B. until; that
C. that; when
D. since; that
下列与职业道德行为特点不相符的是()。
A、与职业活动紧密相连
B、对他人和社会影响重大
C、与领导的影响有关