【名词&注释】
消化系统(digestive system)、正常值(normal value)、承运人(carrier)、休息时间(rest time)、消化腺(digestive gland)、呼吸器(respirator)、手电筒(flashlight)、不清洁提单(unclean bill of lading)、消化管(digestive tract)、一段时间(a period)
[单选题]《海船船员值班规则》规定，值班船员每天的休息时间可以分开，但不超过______时间，其中一段时间(a period)至少要有______。
A. 两段/7小时
B. 两段/6小时
C. 三段/5小时
D. 三段/4小时
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举一反三：
[单选题]Fusible plugs are installed in fire-tube boilers to _____.
A. provide a means of draining the boiler
B. warn the engineer of low water level
C. cool the crown sheet at high firing rates
D. open the burners electrical firing circuits
[单选题]消化系统由______组成。
A. 食管和胃
B. 小肠和大肠
C. 肝和胆
D. 消化管(digestive tract)和消化腺
[单选题]Which of the following statements concerning the lubrication of diesel propulsionengines used in vessels over 300 gross tons is most accurate? ( )
A. Lubrication systems using engine driven lube oil pumps do not require any additionalindependent arrangement when such arrangements have been proven reliable.
B. The use of engine driven pre-lube pumps is permitted on vessels with propulsionsystems developing less than 500 shaft horsepower.
C. When forced lubrication is used for propulsion engines , one independently drivenstandby pumps is to be provided in addition to the necessary pumps for normaloperation.
D. Lubrication systems where two oil coolers are fitted require a minimum of twotemperature control devices which may be actuated by similar sensors.
[单选题]消防员装备包括1套个人设备和1副_______。
A. 防水手电筒(flashlight)
B. 呼吸器
C. 防护手套
D. 太平斧
[单选题]如果承运人或其代理人在提单上批注了“( )”字样，该提单就成为不清洁提单(unclean bill of lading)。
A. 重量不知
B. 不负汗湿责任
C. 五件短缺，争议中
D. 旧箱
[单选题]体温的正常值，腋温()
A. 36.3-37.2℃
B. 36.0-37.0℃
C. 36.5-37.7℃
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