[单项选择]可使用房角开放药物是
A. 20％甘露醇
B. 苏打片
C. 1％匹罗卡品
D. 0.5％噻吗心安眼药水
E. 乙酰唑胺

[单选题]水龙头卡死,大绳打扭后,首先应做的是( )。
A.及时停转盘、停钻井泵;
B.继续作业;
C.检修水龙头;
D.开具作业许可证。

[简答题]空中交通管制间隔标准和流量控制知识。

[单选题]色彩摄影妆的色彩能比较真实堵塞反映在图片上,所以妆色要( ),用色要简单(单选题)
A. 浓艳
B. 偏白
C. 柔和自然
D. 偏黑

[单选题]应结合生产实际，经常性开展多种形式的安全思想、安全文化教育，开展有针对性的（ ），提高员工安全风险防范意识。
A.安全技术培训
B.风险预控和分析
C.消防演习
D.应急演练

[单选题]以下不是地上消火栓组成部分的是( )。
A.栓体
B.管体
C.阀座
D.排水阀、阀杆

[单选题]防护员（驻站联络员、现场防护员）必须由经培训（ ）的人员担任并持铁路岗位培训合格证书上岗。
A.合格
B.认证
C.考试合格
D.学习

[单选题]安定面配平手轮超控其它任何的安定面配平输入。
A.对
B. 错

[单选题]列车操纵示意图应包括提、回手柄地点和（ ）制动使用和退回地点。
A. 空气
B. 动力
C. 空电联合
D. 以上说法均正确

[单项选择]社会主义的根本原则是（）
A. 发展生产，不断增加社会财富
B. 改革开放，增强综合国力
C. 实行按劳分配，改善人民生活
D. 坚持以公有制为主体，实现共同富裕

[单项选择]数字通信中PCM30/32系统将帧同步恢复时间定为（）毫秒。
A. 2
B. 3
C. 4
D. 5

[单项选择]The move to self-service has meant that in many shops, fewer tasks are now performed by store assistants. Typical tasks which remain are making sure that shelves and counters are fully (19) , taking the customer’s payment, and (20) the purchases. However, in some shops, the more traditional selling skills are still important. In larger stores, it is normal for a range of (21) to be rotated among staff, giving greater work variety.
Every customer has different (22) . and different reasons for coming into the store. Some know (23) what they want, ask for it and buy it. Many, however, are not sure, and if they are not (24) correctly they may go somewhere else to boy. The store assistant must (25) when and how to offer help, and gain the customer’s confidence with the (26) amount of questioning about what they are looking for. They can then give information and advice about the products which might (27) A. grading
B. rating
C. estimating
D. measuring