单选题On the pole side of the trade wind belt，there is an area of high pressure with weak pressure gradients and light，variable winds. This area is called the（）.Aprevailing westerliesBgeostrophic windsCdoldrumsDhorse latitudes
单选题
On the pole side of the trade wind belt，there is an area of high pressure with weak pressure gradients and light，variable winds. This area is called the（）.
A
prevailing westerlies
B
geostrophic winds
C
doldrums
D
horse latitudes
参考解析
解析：
暂无解析
相关考题：
When turning a ship in restricted space with a strong wind，it is normally best to ______．A.Go ahead on both engines with the rudder hard to one side，if on a twin-screw vesselB.Back down with the rudder hard to one side，if on a single-screw vesselC.Take advantage of the tendency to back to port，if on a twin-screw vesselD.Turn so that the tendency to back into the wind can be used，if on a single-screw vessel
On the pole side of the trade wind belt，there is an area of high pressure with weak pressure gradients and light，variable winds．This area is called the ______．A.Prevailing westerliesB.Geostrophic windsC.DoldrumsD.Horse latitudes
You are located within a stationary high pressure area．Your aneroid barometer is falling very slowly．This indicates a（n）______．A.Wind shift of 180°B.Large increase in wind velocityC.Decrease in the intensity of the systemD.Increase in the intensity of the system
A cardinal mark showing an uninterrupted quick-flashing white light indicates the deepest water in the area is on the ______.A.north side of the markB.west side of the markC.east side of the markD.south side of the mark
If a sailing vessel with the wind on the port side sees a sailing vessel to windward and cannot tell weather the other vessel has the wind on the port or starboard side, she shall ______.A.hold course and speedB.sound the danger signalC.keep out of the way of the other vesselD.turn to port and come into the wind
单选题The length of a rectangle is 5 more than the side of a square, and the width of the rectangle is 5 less than the side of the square. If the area of the square is 45, what is the area of the rectangle?A20B25C45D50E70
单选题In most cases，the direction of the apparent wind lies between the bow and（）.Athe direction of the true windBtrue northCthe beam on the windward sideDthe beam on the lee side
单选题Which wind results from a land mass cooling more quickly at night than an adjacent water area?（）Acoastal breezeBsea breezeCland breezeDmistral
单选题The belt of light and variable winds between the westerly wind belt and the northeast trade winds is called the（）.Asubtropical high pressure beltBintertropical convergence zoneCdoldrum beltDpolar frontal zone
单选题In the Northern Hemisphere，an area of counterclockwise wind circulation surrounded by higher pressure is a（）.AlowBhighCwarm frontDcold front
单选题In the sentence “In some designs the cylinder oil is timed so that the oil injects only on the piston ring belt, the "piston ring belt" means （）.Apiston crownBpiston ring grooveCpiston skirtDpiston ring area
单选题On the pole side of the high pressure belt in each hemisphere，the pressure diminishes. The winds along these gradients are diverted by the Earth’s rotation toward the east and are known as the（）.Ageostrophic windsBdoldrumsChorse latitudesDprevailing westerlies
单选题A reaching course is one in which the wind（）.Acomes directly over the bowBcomes directly over the sternCcomes over an area extending from broad on the bow to the quarterDhas no effect on the vessel
单选题When you walk in a busy street, you should walk on the side _____.Awhere the wind is comingBwhere the wind is goingCwhere the wind is weakerDwhere the wind is stronger
单选题When checking the liquid level in a tank, you should position yourself （）.Aon the windward side of the openingBon the leeward side of the openingCat a right angle to the wind directionDso that the obstruction of your body will protect you from the fumes
单选题When fighting a fire on a bulkhead using a portable carbon dioxide extinguisher，the stream should be directed at the（）.Abase of the flames，moving the horn from side to side，following the flames upward as they diminishBtop of the flaming area，moving the horn from side to side，following the flames downward as they diminishCcenter of the flaming area，moving the horn vertically from top to bottomDbottom of the flaming area，moving the horn vertically to the top following the flames upward as they diminish
单选题When evacuating a seaman by helicopter lift，which course should the ship take?（）ADownwind so that the apparent wind is close to nilBA course that will keep a free flow of air，clear of smoke，over the hoist areaCA course that will have the hoist area in the lee of the superstructureDWith the wind dead ahead because the helicopter is more maneuverable when going into the wind
单选题A cardinal mark showing an uninterrupted quick-flashing white light indicates the deepest water in the area is on the（）.Anorth side of the markBwest side of the markCeast side of the markDsouth side of the mark
单选题Why is a woman better at learning foreign languages than a man?AThe area of the left side of a woman’s brain for language learning develops better than that of a man’s.BThe right side of a woman’s brain for language develops better than that of a man’s.CThe area of the left side of a woman’s brain for feelings develops better than that of a man’s.DThe area of the right side of a woman’s brain fit for seeing in the dark develops better than that of a man’s.
单选题A katabatic wind blows（）.Aup an incline due to surface heatingBin a circular patternCdown an incline due to cooling of the airDhorizontally between a high and a low pressure area
单选题You are landing a single-screw vessel，with a right-hand propeller，starboard side to the dock.When you have approached the berth and back the engine，you would expect the vessel to （）.ALose headway without swingingBTurn her bow toward the dockCTurn her bow away from the dockDHead into the wind，regardless of the side the wind is on
单选题If two sailing vessels are running free with the wind on the same side, which one must keep clear of the other?（）.AThe one with the wind closest abeamBThe one to windwardCThe one to leewardDThe one that sounds the first whistle signal
单选题When turning a ship in restricted space with a strong wind，it is normally best to（）.AGo ahead on both engines with the rudder hard to one side，if on a twin-screw vesselBBack down with the rudder hard to one side，if on a single-screw vesselCTake advantage of the tendency to back to port，if on a twin-screw vesselDTurn so that the tendency to back into the wind can be used，if on a single-screw vessel
单选题When using carbon dioxide to fight a fire on a bulkhead，the CO2 should be applied（）.Afirst to the bottom of the flaming area，sweeping from side to side，and following the flames upwardBin a circular motion from the middle of the bulkhead outwardCto the top of the flaming area，sweeping from side to side，and working toward the bottomDin an up-and-down motion from one side of the bulkhead to the other
单选题What is placed on the under side of an inflatable liferaft to help prevent it from being skidded by the wind or overturned?（）AWater pocketsBA keelCStrikesDSea anchor