航海英语913.doc

48-26. Horizontal fore and aft motion of a vessel is known as _______. A. pitch （纵摇） B. surge （纵荡） C. sway (横移) D. roll （横摇） （yaw偏荡， heave垂荡） 船舶的水平伸缩运动被认为是纵荡。 B [853] How should you signal the crane operator to lower the boom?______. A. With arm extended and fingers closed, point thumb downward. B. With arm extended downwards and forefinger pointing down, move hand in small horizontal circles. C. Extend arm with the palm down, and hold this position rigidly. D. With hands clasped in front of your body. KEY: A 你应怎样指挥起货机手落放吊杆? 伸开臂膀握紧拳头拇指向下 [1873] Under the Pollution Regulations, when you dump garbage in to the sea you must ______. A. notify Coast Guard or MSA B. make an entry in the Official Logbook C. keep a record for two years D.No action is required if you are more than 25miles fromland and no plastic materials are dumped 　　KEY: C　根据防污染规则，当你排放垃圾入海时必须将记录保持2年 [ 2403] Which procedure should be followed when individuals are rescued in cold climates and suffer from hypothermia? . A. Give them brandy B. Keep them in motion C. Immerse them in a warm bath D. Cover them with an electric blanket set for maximum temperature 答案C [2279] Generally, you can best keep a vessel under steering control when the vessel has . A. headway B. stemway C. no way on, with engines stopped D. no way on, with engines full ahead 答案A [1653] The primary reason for placing covers over storage batteries is to ______. A. prevent the accumulation of explosive gases B. protect the hull from leaking electrolyte C. prevent movement of the battery in rough waters D. protect against accidental shorting across terminals KEY: D 给蓄电池加盖子的主要原因是保护两极终端防止意外短路。 50-21，51-21. In anchoring orders, UP AND DOWN means ________. A. the chain is not upright B. the chain is tight C. the chain is upright D. the chain is slack KEY: C 在抛起锚口令中UP AND DOWN意思是锚链垂直。 [1523] The force resulting from the earth’s rotation that causes winds to deflect to the right in the Northern Hemisphere and to the