瓦斯科·达·伽马是从欧洲绕好望角到（）航海路线的开拓者。 A.巴拿马 B.莫桑比克

当电梯在开锁区内，并切断门电机电源或停电时，应能从轿厢内部用手将门拉开，开门的力应不大于()N，但应大于()N。

A、150；50

B、300；50

C、300；100

D、150；75

A client with a history of panic attacks seeks to increase social interaction. Each time the client tries to go to the dayroom, she begins to perspire and becomes short of breath. Which action by the nurse will help ease the client’s feelings of panic

A. Have other clients volunteer to accompany the client.
B. Tell the client she has to overcome her fear.
C. Allow the client to stay in her room.
D. Walk with the client and stay with her while she’s in the dayroom.

男性，28岁。低热、盗汗2个月伴乏力、消瘦。2小时前剧咳后咯鲜血约500ml，伴气短来诊。查体：口唇发绀，呼吸困难，大汗。首选的紧急处理措施为（）

A.让患者取侧卧位

B.立即使用呼吸中枢兴奋剂

C.立即上呼吸机

D.立即输血补液

E.立即采取解除呼吸道梗阻的措施

设备价格高，可变费用低的是（）。

A.简单搬运设备

B.复杂搬运设备

C.简单运输设备

D.复杂运输设备

参照下图，简述YJ29滤嘴接装机水松纸储纸箱导向座清洁保养与安装调整的方法步骤。

1.轴套；2.螺钉；3.后套；4.弹簧；5.导向座；6.前套