当采用全面通风消除余热、亲湿或其他有害物质时,应分别从建筑物内温度最高、含湿量或有害物质浓度最大的区域排风,并且全面排风量分配应符合的要求是:当放散气体密度比室内空气轻或重,建筑内放散的显热不足以形成稳定的上升气流而沉积在下部区域时()
A. 宜从房间上部地带排出总排风量的2/3,从下部地带排出总排风量的1/3,且不应小于每小时1次换气
B. 宜从房间上部地带排出总排风量的1/3,从下部地带排出总排风量的2/3,且不应小于每小时1次换气
C. 宜从房间上部地带排出总排风量的3/4,从下部地带排出总排风量的1/4,且不应小于每小时2次换气
D. 宜从房间上部地带排出总排风量的l/4,从下部地带排出总排风量的3/4,且不应小于每小时2次换气
生命活动中最主要的物质基础是()。
A. 脂类和蛋白质
B. 糖类和蛋白质
C. 核酸和蛋白质
D. 水和蛋白质
A company has a BGP network and a BGP route of 196.27.125.0/24 that should be propagated toall of the devices. The route is not now in any of the routing tables. The administrator determinesthat an access list is the cause of the problem. The administrator changes the access list to allowthis route, but the route still does not appear in any of the routing tables. What should be done topropagate this route?()
A. Clear the BGP session
B. Change both the inbound and outbound policy related to this route
C. Use the service-policy command to adjust the QOS policy to allow the route to propagate
D. Use the release BGP routing command
止血带能有效地控制四肢出血,而且损伤最小。
A. 正确
B. 错误