Cumulonimbus clouds can produce ______.A.dense fog and high humidityB.gusty winds, thunder, rain or hail, and lightingC.clear skies with the approach of a cold frontD.a rapid drop in barometric pressure followed by darkness
Cumulonimbus clouds can produce ______.
A.dense fog and high humidity
B.gusty winds, thunder, rain or hail, and lighting
C.clear skies with the approach of a cold front
D.a rapid drop in barometric pressure followed by darkness
相关考题：
Passage TwoThe National Weather Service at Ryan Airport brought out the following forecast (预报). Saturday night for Satonp Rouge and vicinity(附近地区).It will be partly cloudy through Monday with a chance of afternoon showers. High Sunday and Monday will be in the mid 80s,with a low Sunday night in the upper 60s. Winds will be southeasterly 10 to 15 miles per hour diminishing at night.Probability of rain will be 20 percent Sunday.On the coast, winds will be southeasterly 10 to 15 knots(节、海里/小时). Seas will run 2-4 feet and will be 3 feet higher near a few thunder-showers. High tide will be at 1 p.m. ,Iow tide at 12:24 a. m..Record high for May 22 was 93 posted in 1956 and record low was 51 recorded in 1954. Normally, temperatures should be from 86 to 65 degrees.There will be afternoon thunder-showers Tuesday and over the west part of the state Thursday. Tuesday through Thursday, lows will be in the mid to upper 70s,with highs in the mid to upper 80s.High Saturday was 86, with a low 65.40. This weather forecast probably appeared in a______.A. Saturday morning paperB. Sunday evening paperC. Sunday morning paperD. Monday morning paper
The appearance of nimbostratus clouds in the immediate vicinity of a ship at sea would be accompanied by which of the following conditions?______.A.Rain and poor visibilityB.Dropping barometric pressure and backing wind in the Northern HemisphereC.High winds and rising seaD.Severe thunderstorms
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
A high cube container would most likely be used to stow ______.A.dense bulk cargoesB.household appliancesC.fragile cargoesD.heavy industrial machinery
The dense black cumulonimbus clouds surrounding the eye of a hurricane are called ______．A.Spiral rainbandsB.Cloud wallsC.Funnel cloudsD.Cyclonic spirals
Cumulus clouds that have undergone vertical development and have become cumulonimbus in form，indicate ______．A.clearing weatherB.that a warm front has passedC.probable thunderstorm activityD.an approaching hurricane or typhoon
Altocumulus clouds are defined as______．A.high cloudsB.middle cloudsC.low cloudsD.vertical development clouds
Brief, violent showers frequently accompanied by thunder and lightning are usually associated with ______.A.passage of a warm frontB.winds shifting counterclockwise in the Northern HemisphereC.stationary high pressure systemsD.passage of a cold front
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
If the sky was clear, with the exception of a few cumulus clouds, it would indicate ______.A.rainB.hurricane weatherC.fair weatherD.fog setting in
If you are in the dangerous semicircle of a hurricane you can expect all of the following except ______.A.backing windsB.high seasC.high windsD.veering winds
In the Northern Hemisphere, when the center of a high pressure system is due east of your position, you can expect winds from the ______.A.south to eastB.north to westC.north to eastD.south to west
单选题A cold front moving in from the northwest can produce（）.Athunderstorms，hail，and then rapid clearingBincreasing cloud cover lasting for several daysClengthy wet weatherDlow ceilings with thick cirrus clouds
单选题All of the following are associated with cumulonimbus clouds EXCEPT（）.Asteady rainfallBhail stormsCthunderstormsDtornadoes or waterspouts
单选题The dense black cumulonimbus clouds surrounding the eye of a hurricane are called（）.ASpiral rainbandsBCloud wallsCFunnel cloudsDCyclonic spirals
单选题Cumulonimbus clouds are formed by（）.Avertical air movementsBheavy rainstormsChorizontal air movementsDany movement of moist air
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A high-velocity fog stream can be used in fire fighting situations to drive heat and smoke ahead of the fire fighters in a passageway. This technique should only be used when（）.Ausing a 2-1/2 inch hoseBthere is an outlet for the smoke and heatCthe fire is totally contained by the ship's structureDat least two fog streams can be used
单选题Cumulus clouds that have undergone vertical development and have become cumulonimbus in form，indicate（）.Aclearing weatherBthat a warm front has passedCprobable thunderstorm activityDan approaching hurricane or typhoon
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High-speed rotation in a centrifugal purifier can produce a force （） the force of gravity.Amany thousand times larger thanBthe same asCmany thousand times smallerDnone of the above
单选题We can conclude from the last paragraph that______.Atrade winds are harmful to the low clouds.Bdeep clouds are helpful to cool the earth.Cglobal warming can result in more low clouds.Dglobal warming can destroy the form of atmosphere.
单选题At 0815，visibility is excellent and you can see Montauk Point. Montauk Point Light is（）.Ashown from a brown towerBequipped with a fog diaphoneClighted 24 hoursDis 79 feet (24 meters) high
单选题The inner cloud bands of a hurricane，when viewed from a distance，form a mass of dense，black cumulonimbus clouds called the（）.Abar of the stormBeye of the stormCfunnelDfront
单选题What kind of conditions would you observe as the eye of a storm passes over your ship’s position（）.AHuge waves approaching from all directions，clearing skies，light winds，and an extremely low barometerBFlat calm seas，heavy rain，light winds，and an extremely low barometerCFlat calm seas，heavy rain，light winds，and high pressureDHuge waves approaching from all directions，clearing skies，light winds，and high pressure
单选题High-speed rotating in a centrifugal purifier can produce a force （） larger than the force of gravity.Amany thousand timesBbetween timesCone timeDat times