1. [单选题]Before engaging the turning gear and turning the diesel engine, which of the following operation should be done except______.
A. open the indicator cocks
B. supply some CYL.Oil to cylinder liner wall with lubricator (only for two stoke diesel engine)
C. put the fuel handle in the "stop" position
D. pump up the air bottle
2. [单选题]从事非拖网作业捕鱼船在白天当有外伸渔具，其从船边伸出的水平距离大于150米时，应朝渔具的方向悬挂＿＿＿＿。
A. 两个尖端对接的圆锥体号型
B. 一个尖端向上的圆锥体号型
C. 一个尖端向下的圆锥体号型
D. 一个锚球
3. [单选题]正常人每日尿量约______。
A. 0.5升
B. 1升
C. 1.5升
D. 2升
