机械调速器的特点是（）。Ⅰ.灵敏度高Ⅱ.结构简单Ⅲ.可实现恒速调节

【名词&注释】

灵敏度(sensitivity)、国际公约、职业技术(vocational)、离心力(centrifugal force)、机械调速器(mechanical governor)

[单选题]机械调速器^{(mechanical governor)}的特点是（）。Ⅰ.灵敏度高Ⅱ.结构简单Ⅲ.可实现恒速调节Ⅳ.精度较差Ⅴ.维修方便Ⅵ.利用飞重离心力直接拉动油门

A. Ⅰ＋Ⅱ＋Ⅲ＋Ⅴ
B. Ⅱ＋Ⅲ＋Ⅳ＋Ⅵ
C. Ⅰ＋Ⅱ＋Ⅴ＋Ⅵ
D. Ⅱ＋Ⅳ＋Ⅴ＋Ⅵ

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学习资料：

[单选题]The carpenter is directly responsible to ________.

A. the captain
B. the bosun
C. the third officer
D. the chief officer

[单选题]Which of the processes listed would be the most satisfactory method to use to lower the humidity of the air being circulated by an air conditioning system?

A. Cooling the air to a temperature just above dew point
B. Heating the air to a point at which moisture will boil off ,then re-cooling it
C. Cooling the air to a point below dew point, then reheating it
D. Heating the air and then cooling it to a point below dew point

[单选题]当听到顺桨口令后，各桨手身体应先（）

A. 前冲
B. 后仰
C. 不动

[单选题]下列哪项不是关节脱位的特有体征( )。

A. 肿胀和皮下瘀血
B. 畸形
C. 关节内空虚

[单选题]用于控制船员职业技术素质和值班行为的国际公约是______。

A. SOLAS公约
B. STCW78公约
C. MARPOL公约
D. LL66和ITC69公约

[单选题]I was told you’d like to order some（物料）______in this port.

A. food
B. stores
C. provisions
D. things

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