PLC可编程序控制器,整个工作过程分五个阶段,当PLC通电运行时,第一个阶段应为()。
A、与编程器通讯
B、执行用户程序
C、读入现场信号
D、自诊断
参考答案:D
用所给词的适当形式填空。
1. She feels _____(alone) without friends.
2. Tom is an interesting man. He always makes others _____(laugh).
3. Remeber _____(give) me a call after you come back.
4. Jane is afraid _____ (go) skating alone.
5. Listen! Can you hear the children _____(sing)?
6. I am really sorry. I forget _____ ( lock) the door before I left.
7. You are tired .why not stop _____(have )a rest ?
8. Does Mr.Brown enjoy _____(live) in China ?
9. He said that it _____(rain)tomorrow.
10. She believes his aunt _____(give) a nice gift later.
赵某是某公司职工,月薪5000元,该公司作为赵某个人所得税的扣缴义务人每月为其代扣、代收税款。则下列说法正确的是
A.无论赵某是否要求,公司作为扣缴义务人应当开具代扣、代收税款凭证
B.如果赵某要求公司开具代扣、代收税款凭证,公司应当开具
C.公司可以视情况自行决定是否开具代扣、代收税款凭证
D.即便赵某要求公司开具代扣、代收税款凭证,公司也无义务开具