正确答案: C
Stand by
题目:The ship is to leave at eight o’clock. The captain should order at seven “________”.
解析:C
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学习资料的答案和解析:
[单选题]当活塞环工作表面干燥、发黑,缸壁也有大面积的干燥、发黑的表面,这说明由于______引起燃气泄漏所致。Ⅰ.搭口间隙过大;Ⅱ.平面间隙过小;Ⅲ.平面间隙过大;Ⅳ.缸套磨损;Ⅴ.活塞环安装不良。
Ⅰ+Ⅳ
[单选题]If a refrigeration compressor is short cycling on high head pressure, you should
check for proper water flow through the condenser
[单选题]An alternator is being paralleled with one on the line At the instant the circuit breaker is close, the frequency of the incoming alternator will normally
decrease
[单选题]烧伤局部微红肿,无水疱,疼痛明显,是______。
一度烧伤
[单选题]人工呼吸法采用口对口吹气时,以看到______为有效指征。
胸廓扩张及听到呼吸音
[单选题]发生火灾比例较高的场所是______。
机舱
[单选题]水蒸气、氮气灭火是利用________。
窒息法
[单选题]船舶施放六短一长声的应变信号是表示:
求生
[单选题]航行中,当船舶正在()时,可进行交接班。
保持航向