正确答案: D

驾驶台有关变速或变向的命令

题目：STCW规则对负责值班的轮机员首要的要求是能迅速执行______。

解析：D

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举一反三的答案和解析：

[单选题]The fire drill must, as far as practicable, be conducted as if______.

there were an actual emergency

[单选题]In a main propulsion turbocharged diesel engine, the speed of the turbocharger varies according to the _____.

load on the engine

[单选题]救生艇的停车冲程一般为艇长的：

3～4倍

[单选题]听到消防报警报后_______应在确保应急泵的启动，以及通风、空调的关闭。

大管轮

[单选题]大风中浪降落救生艇、救助艇，艇落水后解开前后吊艇钩最好应（）

同时解开前后吊艇钧

[单选题]船舶向西航行穿过日界线时，日期应()

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