当火灾信号或公共通风口处探测易燃气体信号延迟()秒不消掉,则自动关断相应风机的()并关掉相应()。
参考答案:60;电源;气动风闸
根据句意、首字母或汉语提示,写出各句中所缺单词的正确形式。
1. I am going to f______ the cat when he is away.
2. Dad, could I b______ some money? I need to buy a computer.
3. Kate i______ me to her birthday party yesterday.
4. We watched TV all day in the l______ room.
5. She h______ to do the dishes every day.
6. I hate ______ (打扫) the floor.
7. The blue shirt is not ______ (我的). It's Tom's.
8. Mr Green is going to speak at the parents' _______ (会议).
9. It's hard for children to _______ (折叠) their clothes well.
10. My father is going to find a job in Shanghai, so we will _______ (搬迁) there next month.
本例最易发生的并发症是
A.继发感染
B.腹腔内失血
C.凝血机制障碍
D.习惯性流产
E.继发不孕