问题
多项选择题 A1/A2型题
根据现行《火灾自动报警系统设计规范》,火灾报警后,消防控制设备应有下列哪些控制、显示功能()
A.停止有关部位的空调送风,关闭电动防火阀,并接收其反馈信号
B.启动有关部位的防烟和排烟风机、排烟阀等,并接收其反馈信号
C.切断有关部位的非消防电源
D.控制挡烟垂壁等防烟设施
答案
参考答案:A, B, D
根据现行《火灾自动报警系统设计规范》,火灾报警后,消防控制设备应有下列哪些控制、显示功能()
A.停止有关部位的空调送风,关闭电动防火阀,并接收其反馈信号
B.启动有关部位的防烟和排烟风机、排烟阀等,并接收其反馈信号
C.切断有关部位的非消防电源
D.控制挡烟垂壁等防烟设施
参考答案:A, B, D
完形填空。 | ||||
Jim __1__ from America. Now he is __2__ China. He __3__ at about 6:30. And eats his breakfast at 7:00 in the morning. After breakfast, he says "goodbye" __4__ his parents and leaves (离开) home at 7:30. He usually walks to school. He gets there at 7:55. He __5__ his first class at eight. Morning classes are over at 12:10, and he eats lunch ten minutes later, at about 12:20. After lunch he plays __6__ his friends. Afternoon classes begin at 1:30. Usually there are two classes in the __7__. School is over at 3:30. Usually he plays games or other things __8__ and gets home at about 5:15. He eats supper at 6:00 and then __9__, and then watches TV. He __10__ at around 10:00. | ||||
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