Ⅱ型观测线最适用于下列哪种卡环（） A.三臂卡环 B.Ⅱ型卡环 C.Ⅲ型卡环 D.三

Water is (41) important of all the things we (42) and drink. Not many people understand this, (43) it’s quite true. The human body (人体) can go (44) food for a long time, but two (45) three days without water can usually (46) people die.
Many people don’ t understand how much water the human body needs to work well and many people do not drink (47) , even (48) hot weather.
Our body is (49) water, about 65% to 75%, ff we do not have enough water, we’ll (50) tired and many will get ill. So you see, how important water is to us all.

[A] much [B] enough [C] more

葡萄胎患者的护理中下列哪一项是不妥当的（）。

A.术前做输血、输液准备

B.刮出物常规送病检

C.确诊后应立即做刮宫准备

D.术前常规肌注缩宫素以防出血

E.有恶变倾向行预防性化学治疗

客户的满意来源于什么？

常用的DCS操作画面有（）。

A、操作组（控制组）

B、流程图

C、趋势图

D、组态画面

副神经核()
动眼神经副核()
三叉神经中脑核()

A．副交感核

B．特殊内脏运动核

C．两者均有

D．两者均无