患者男,78岁。慢性咳嗽、咳痰30余年,伴气促15年。2天前咳嗽、咳痰加重,咳白色黏稠痰,不易咳出。患者目前最主要的护理问题是 A.
体液过多 B.
心排血量减少 C.
清理呼吸道无效 D.
生活自理能力缺陷 E.
营养失调:低于机体需要量

A、正确
B、错误

A．it challenges IoT data
B．it can shepherd through pre-determined processes to arrive at outcomes
C．it can learn from interactions with users and experiences with the environment
D．it can program systems explicitly