High clouds, composed of small white flakes or scaly globular masses, and often banded together to form a mackerel sky, would be classified as ______.A.cirrusB.cirrocumulusC.altostratusD.Cumulonimbus
High clouds, composed of small white flakes or scaly globular masses, and often banded together to form a mackerel sky, would be classified as ______.
A.cirrus
B.cirrocumulus
C.altostratus
D.Cumulonimbus
相关考题：
Cumulonimbus clouds are most likely to accompany a(n) ______.A.high pressure systemB.cold frontC.warm frontD.occluded front
The first indications a mariner will have of the approach of a warm front will be ______.A.large cumulonimbus (thunderclouds) building upB.high cirrus clouds gradually changing to cirrostratus and then to altostratusC.fog caused by the warm air passing over the cooler waterD.low dark clouds accompanied by intermittent rain
In many areas "atoll" clouds (clouds of vertical development) are produced over small islands. These are the result of ______.A.rising air currents produced by the warm islandsB.warm air from the sea rising over higher land areasC.cool land air mixing with warm sea airD.descending air over the islands
Clouds with the prefix“nimbo”in their name ______．A.are sheet or layer cloudsB.have undergone great vertical developmentC.are middle or high altitude cloudsD.are rain clouds
Because of ______，air ducts used aboard ships are often very small and have sharp curves and bends．A.high levelB.overflow spacesC.cargo tankD.space constraints
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
Altocumulus clouds are defined as______．A.high cloudsB.middle cloudsC.low cloudsD.vertical development clouds
Early indications of the approach of a hurricane may be all of the following EXCEPT_____A.short confused swellsB.gradually incresing white clouds (mare’s tails)C.pumping barometerD.continuous fine mist-like rain
Many of the lights on this coast are placed so high as to be frequently obscured by______．A.powerB.towerC.coverD.low clouds
单选题Cirrus clouds are composed primarily of（）.Aice crystalsBwater dropletsCsnow crystalsDnitrogen
单选题A vessel being pushed ahead is required to carry which of the following lights?（）.ASidelights and a stern lightBSidelights onlyCSidelights and a small white light at each endDA small white light at each end
单选题Navigational marks used for informational or regulatory purposes are（）.Asolid yellowBwhite with orange geometric shapesCred and white vertically-stripedDgreen and red horizontally-banded
单选题Clouds with the prefix “nimbo” in their name（）.Aare sheet or layer cloudsBhave undergone great vertical developmentCare middle or high altitude cloudsDare rain clouds
单选题In many areas atoll clouds (clouds of vertical development) are produced over small islands. These are the result of（）.Arising air currents produced by the warm islandsBwarm air from the sea rising over higher land areasCcool land air mixing with warm sea airDdescending air over the islands
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High clouds，composed of small white flakes or scaly globular masses，and often banded together to form a mackerel sky，would be classified as（）.AcirrusBcirrocumulusCaltostratusDcumulonimbus
单选题Which general weather conditions should you expect to find in a low pressure system（）.AFair weatherBPrecipitation and cloudinessCScattered clouds at high elevationsDGradual clearing and cooler temperatures
单选题（）is a high layer of cloud in the front of small flakes or cauhflower,white in colour with no dark shadows in between.ACirrostratusBCirrusCCirrocumulusDAltostratus
单选题When anchoring a small sailing vessel in rough weather，the best anchor line would be composed of（）.Achain-wireBchain-manilaCchain-nylonDall chain
单选题Early indications of the approach of a hurricane may be all of the following EXCEPT（）.Ashort confused swellsBgradually increasing white clouds (mare's tails)Cpumping barometerDcontinuous fine mist-like rain
单选题Clouds that form as small white flakes or scaly globular masses covering either small or large portions of the sky are（）.AcirrusBcirrostratusCaltostratusDcirrocumulus
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