单选题On the approach of a warm front the barometric pressure usually（）.AfallsBrisesCis steadyDis unreliable
单选题
On the approach of a warm front the barometric pressure usually（）.
A
falls
B
rises
C
is steady
D
is unreliable
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相关考题：
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A decrease in barometric pressure is associated with all of the following except ______.A.rising warm airB.proximity to a low pressure areaC.inward spiraling circulationD.clear dry weather
A single barometric pressure reading of 28.60 indicates ______.A.rapidly improving weatherB.deteriorating weatherC.a severe low pressure systemD.fair weather and calm
After a cold front passes the barometric pressure usually ______.A.fluctuatesB.remains the sameC.remains the same, with clouds forming rapidlyD.rises, often quite rapidly, with clearing skies
After a cold front passes，the barometric pressure______．A.drops，and the temperature dropsB.drops ， and the temperature risesC.rises，and the temperature dropsD.rises，and the temperature rises
An occluded front is caused by a(n) ______.A.low pressure areaB.high pressure areaC.area of calm airD.cold front overtaking a warm front
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单选题Cyclones tend to move（）.Aperpendicular to the isobars in their warm sectorsBparallel to the isobars in their warm sectorsCparallel to the line of the cold frontDperpendicular to the line of the cold front
单选题As it approaches，a typical warm front will bring（）.Arising temperatures and falling barometric pressureBfalling temperature and pressureCfalling temperatures and rising pressureDrising barometric pressure and temperatures
单选题An occluded front is usually caused by a（）.Acold front becoming stationaryBwarm front becoming stationaryCcold front overtaking a warm frontDwarm front dissipating
单选题An occluded front is caused by a(n)（）.Alow pressure areaBhigh pressure areaCarea of calm airDcold front overtaking a warm front
单选题Cumulonimbus clouds can produce（）.Adense fog and high humidityBgusty winds，thunder，rain or hail，and lightningCclear skies with the approach of a cold frontDa rapid drop in barometric pressure followed by darkness
单选题Good weather is usually associated with a region of（）.Alow barometric pressureBhigh barometric pressureCfalling barometric pressureDpumping barometric pressure
单选题A decrease in barometric pressure is associated with all of the following except（）.Arising warm airBproximity to a low pressure areaCinward spiraling circulationDclear dry weather
单选题A single barometric pressure reading of 28.60 indicates（）.Arapidly improving weatherBdeteriorating weatherCa severe low pressure systemDfair weather and calm
单选题The first indications a mariner will have of the approach of a warm front will be （）.Alarge cumulonimbus (thunderclouds) building upBhigh cirrus clouds gradually changing to cirrostratus and then to altostratusCfog caused by the warm air passing over the cooler waterDlow dark clouds accompanied by intermittent rain
单选题Cyclones that have warm sectors usually move（）.AwesterlyBparallel to the isobars in the warm sectorCtoward the nearest high pressure areaDfaster than the accompanying cold front
单选题Which of the following statements concerning frontal movements is TRUE（）.AThe temperature rises after a cold front passesBThe barometric pressure rises when a warm front passesCA cold front generally passes faster than a warm frontDA warm front usually has more violent weather associated with it than a cold front
单选题A line on a weather chart connecting places which have the same barometric pressure is called an（）.AisothermBisallobarCisobarDisotope
单选题After a cold front passes the barometric pressure usually（）.AfluctuatesBremains the sameCremains the same，with clouds forming rapidlyDrises，often quite rapidly，with clearing skies
单选题After a cold front passes，the barometric pressure（）.Adrops，and the temperature dropsBdrops，and the temperature risesCrises，and the temperature dropsDrises，and the temperature rises