某室内净高为 4m 的档案馆拟设置七氟丙烷灭火系统。根据现行国家标准《气体灭火系统设计规范》(GB50370),该气体灭火系统的下列设计方案中,正确的是()
A. 泄压口下沿距顶棚为 1.0m
B. 设计喷放时间为 12s
C. 一套系统保护 5 个防护区
D. 灭火设计浓度为 10%
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血清电初C图谱上出现深β带和深前β带的高脂血症为
A. Ⅰ型
B. Ⅱa型
C. Ⅱb型
D. Ⅲ型
E. Ⅴ型
核事故()应急演习时,一般还会要求国家核事故应急组织给予必要的配合与指导。
A. 场内综合
B. 场内联合
C. 场外综合
D. 场外联合
火区启封具备的条件中火区内的空气温度下降到()℃以下,或与火灾发生前该区的日常空气温度相同。
A. 30
B. 35
C. 37
D. 40
Liu Hui and Bai Mei are discussing who will be a safer driver after a party.
BAI MEI: Are you ready to take a___1__ in my new sports car
LIU HUI: Yes, but you have been___2__ beer, so you'd better let me drive.
BAI MEI: OK, I guess I will trust you. You seem to know what you are talking about. You sure do know the law.
LIU HUI: Get in the car. Don't forget to put on your seat belt.
BAI MEI: Do I have to It is a hassle.
LIU HUI: Seat belts save __3___, and it is the law. There can be no exceptions. It is better to be safe than sorry.
BAI MEI: I agree. When you are around, I just feel ___4__. You are a real gentleman.
LIU HUI: I am glad to hear that. Now, my beautiful passenger, where shall I drive you To a romantic forest A beautiful mountain Or just to my house for wine and dancing
BAI MEI: I just need you to drive me__5___ to my house. Thanks!
LIU HUI: Sometimes it is hard to be a gentleman.