更多"[单选题] Symptoms of sea sickness incl"的相关试题:
[单选题] Symptoms of heat stroke are ______．
A.cold and moist skin，high body temperature
B.cold and dry skin，low body temperature
C.hot and moist skin，high body temperature
D.hot and dry skin，high body temperature
[单选题] What are the symptoms of sun stroke ________．
A.Temperature falls below normal，pulse is rapid and feeble，skin is cold
And clammy
B.Temperature is high，pulse is strong and rapid，skin is hot and dry
C.Temperature is high，pulse is slow and feeble，skin is clammy
D.Temperature falls below normal，pulse is rapid，skin is clammy
[单选题] SeA.anchor是: ( )
A.海锚
B.海绵
C.手电
D.天棚
[单选题] The radar control used to reduce sea return at close ranges is the ______．
A.Gain control
B.Sensitivity time control
C.Fast time constant
D.Pulse length control
[单选题] If there is sufficient sea room, alteration of ______ may be the most effective action to avoid close-quarters situation.
A. speed and course
B. speed only
C. course only
D. speed or course
[判断题]Sea dye marker 可以用来驱赶鲨鱼。
A.正确
B.错误
[多选题]Passage of foreign ships in territorial sea is no longer innocent, where it is conducted involving:
A. weapon practice.
B. spying.
C. population.
D. fishing.
[单选题]Sea water is rarely used for direct cooling within the equipment it is rather corrosive.
A.because of
B.due to
C.owing to
D.in that
[单选题]In an emergency situation,the sea water pump can be used to supply sea water to the fresh water system,merely___the blind-flanges.
A.to be moved
B.remove
C.in order to remove
D.by removing
[单选题] Providing you are not sailing in the Red Sea or another special area as listed in ANNEX V of MARPOL，how many miles from land must you be to throw garbage including bottles，rags，and glass that has not been ground up into the sea ________．
A.3 nm
B.6 nm
C.12 nm
D.25 nm
[单选题] The officer on duty looked down into the sea for inspection but no ______ of any floating object was seen．
A.Sign
B.Remark
C.Trace
D.Acknowledgement
[单选题] Releasing oil from the sea anchor of a survival craft may ______．
A.keep the propeller from being fouled
B.increase propeller speed
C.help calm the waves in the vicinity of the craft
D.increase the holding power of the sea anchor
[单选题] The process that oil spilled in sea is adsorbed on the suspended material and deposited to the bottom defines ______．
A.Oxidation and destruction
B.Dissolution
C.Oxidation and destruction
D.Sedimentation
[单选题] The best estimate of wind direction at sea level can be obtained from observing the direction of the ______.
A. cloud movement
B. vessel heading
C. waves
D. swells
[单选题]SeA.DyE.Marker 意为: ( )
A.水净化药片
B.海水染色剂
C.舀水袋
D.目视信号装置
[单选题]Sea anchor是______。
A.海锚
B.脱水海棉
C.海水手电
D.海水电池
[单选题]The oil cooler is circulated by sea water,pressure than that of the oil.
A.which is at higher
B.which is at lower
C.which is at less
D.none of the above
[单选题]When the ship in the rough sea,the propeller may be lifted out of water.
A.is moving
B.is moved
C.will move
D.has moved
