航海英语必考题(6)

权威考试

36. What is the BEST conductor of electricity? A. salt water B. distilled water C. fresh water D. carbon dioxide 答案：A

？37. GM cannot be used as an indicator of stability at all angles of inclination because ________. A. there is no M at large angles B. M is not fixed at large angles C. there is no G at large angles D. G is not fixed at large angles 答案：B

38. You see another vessel approaching，and its compass bearing does not significantly change. This would indicate that ____________. A. you are the stand-on vessel

B. a special circumstances situation exists C. the other vessel is dead in water D. risk of collision exists 答案：D

39. Which of the followings must keep out of the way of all the others? A. a vessel not under command

B. a vessel restricted in her ability to maneuver C. a fishing vessel D. a sailing vessel 答案：Ｃ

40. One of the limitations of foam as an extinguishing agent is that foam _________. A. is corrosive and hazard to fire fighters

B. Is heavier than oil and sinks below its surface C. conducts electricity

D. cannot be made with salt water 答案： C

41. Horizontal fore or aft motion of a vessel is known as ___________. A. roll B. sway C. surge D. pitch 答案：C

42. A CLERLY MARKED WAY IN THE VESSEL WHICH HAS TO BE FOLLOWED IN CASE OF AN EMERGENCY defines ___________. A. corridor B. alley way C. escape route D. embarking way 答案：C