I'm thirsty (渴的). I want some .[ ]
A. water
B. bread
C. rice
答案：A
A single fitting installed in a pipeline that either blanks off the pipe or allows a full flow passage of a liquid through the pipe is referred to as a（）.
A.blind flange
B.pivot coupling
C.quick-release coupling
D.spectacle flange
某糖尿病患者，一周前因出差停用了一段时间胰岛素，其后感全身乏力，食欲不振，呕吐，伴呼吸深大，呼出气有烂苹果味，此时应给予该病人首选的治疗为
A．调整饮食，控制血糖水平B．立即加服降糖药C．静脉滴注5%碳酸氢钠D．皮下注射胰岛素E．小剂量持续静脉滴注速效胰岛素
