There is ________ in the holds keeping eyes opened to preven

【名词&注释】

实际操作(practical operation)、拉丁语(latin)、行政处罚(administrative punishment)、不合格(unqualified)、阿拉伯(arab)、印刷体(printed)、船舶所有人(shipowner)、交通安全管理(traffic safety management)、违章操作(operation against rules)、四冲程柴油机(four-stroke diesel engine)

[单选题]There is ________ in the holds keeping eyes opened to prevent theft

A. watchman
B. watchmen
C. a watchmen
D. a watchman

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学习资料：

[单选题]在根据要求配备的救生筏上，所需要的表示应是印刷体大写______字母标明

A. 罗马
B. 阿拉伯
C. 拉丁语
D. 阿里尔

[单选题]中华人民共和国海事机构对下列______行为，实施违法记分管理。Ⅰ、因违反水上交通安全管理^{(traffic safety management)}法规受到海事行政处罚的船员；Ⅱ、船舶安全检查存在缺陷的当事船员；Ⅲ、实际操作检查不合格的船员；Ⅳ、指使、强令船员违章操作^{(operation against rules)}的船舶所有人^(shipowner)或经营人。

A. Ⅰ+Ⅱ+Ⅳ
B. Ⅱ+Ⅲ+Ⅳ
C. Ⅰ+Ⅲ+Ⅴ
D. Ⅰ+Ⅱ+Ⅲ

[单选题]四冲程柴油机^{(four-stroke diesel engine)}曲柄销磨损最大的部位是_______

A. 外侧
B. 内侧
C. A或B
D. A+B

[单选题]Which of the following conditions could contribute to the cracking of a diesel engine cylinder head?

A. Leaking seal ring
B. Insufficient heat transfer from the exhaust valves
C. Blocked cooling water passages to the head
D. Excessive scavenging air provided to the engine

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