起升钢丝绳在放出最大工作长度后,卷筒上的钢丝绳至少保留几圈?( )
A.1圈
B.2圈
C.3圈
D.5圈
参考答案:C
根据句意及所给首字母或汉语提示,完成单词。
1. What k_________ of movies do you like? I like action movies.
2. What's your e-mail a_________?
3. Come and see your clothes for y_________.
4. The t_________ month of a year is December.
5. The first day of the week is S_________.
6. My favorite _________ (科目) is English.
7. I like science _________ (因为) it's interesting.
8. Can you _________ (说) English?
9. Do you have a Music _________ (节目) at your school?
10. She _________ (也) likes Beijing Opera.
关于状态检修,以下哪种说法是正确的()。
A.状态检修是独立于PMS存在的一个系统
B.状态检修三级评价流程都依附于缺陷流程
C.生技评价就是人工评价
D.经过工区评价的设备,必须进行生技评价