更多"[单选题] The two most effective genera"的相关试题:
[单选题] The two most effective generating forces of surface ocean currents are ______．
A.temperature and salinity differences in the water
B.wind and density differences in the water
C.water depth and underwater topography
D.rotation of the Earth and continental interference
[单选题] The most effective way of applying carbon dioxide from a portable extinguisher to a fire is by ______．
A.Forming a cloud cover over the flames
B.Directing the gas at the base of the flames in a slow sweeping motion
C.Discharging the carbon dioxide into the heart of the flames
D.Bouncing the discharge off an adjacent bulkhead just above the burning surface
[单选题] The most effective first aid treatment for chemical burns is to immediately ______．
A.Apply ointment to the burned area
B.Flood the affected area with water
C.Wrap the burn with sterile dressing
D.Apply an ice pack to the burned area
[单选题] The most effective treatment for warming a crew member suffering from hypothermia is ______．
A.running or jumping to increase circulation
B.raising body temperature rapidly by placing hands and feet in hot water
C.bundling the body in blankets to rewarm gradually
D.laying prone under heat lamps to rewarm rapidly
[单选题] Forces within a vessel have caused a difference between the starboard and port drafts. This difference is called ______.
A. list
B. heel
C. trim
D. flotation
[单选题] In the absence of external forces，the center of buoyancy of an inclined vessel is vertically aligned directly below the ______.
A. Center of gravity
B. Amidships station
C. Center of flotation
D. Geometric center of the waterplane area
[多选题]which statements about the effective occupation are correct?
A. An effective occupation must involve two components: an intention to act as sovereign and an adequate display or exercise of sovereignty over the territory.
B. The display or exercise of sovereignty must be fulfilled by some concrete evidence of control.
C. The specific operations may vary so much due to the factual situations of territory.
D. Effective control in a resemble period of time is the essential fact of constituting the legitimate claim to the territory.
[单选题] How can a SART's effective range be maximized ________．
A.The SART should be placed in water immediately upon activation
B.The SART should be held as high as possible
C.Switch the SART into the“high”power position
D.If possible，the SART should be mounted horizontally so that its signal matches that of the searching radar signal
[单选题]________you master an effective method to study French ________ make great progress in a short time.
A.Only if; will you
B.Only if; you will
C.Unless; will you
D.Unless; you will
[单选题] Radar makes the most accurate determination of the ______.
A. direction of target
B. distance of target
C. size of a target
D. shape of a target
[单选题] Two vessels are approaching each other near head on. What action should be taken to avoid collision? ______.
A. The first vessel to sight the other should give way.
B. The vessel making the slower speed should give way.
C. Both vessels should alter course to starboard.
D. Both vessels should alter course to port.
[单选题] The shortest distance between any two points on esrth defines a _____.
A. small circle
B. great circle
C. rhumb line
D Hyperbola (双曲线)
[单选题]Most merchant ships have an emergency generator which is diesel driven and located the engine room.
A.inward
B.inside
C.outside of
D.within
[单选题] Which instrument is most useful in forecasting fog ________．
A.A barometer
B.An anemometer
C.A sling psychrometer
D.A pyrometer
[单选题] Cumulonimbus clouds are most likely to accompany a(n) ______.
A. high pressure system
B. cold front
C. warm front
D. occluded front
