The daily recurring pattern of pressure changes most noticeable in low latitudes is the ______.A.daily lapse readingB.diurnal variation of pressureC.pressure tendencyD.synoptic pressure
The daily recurring pattern of pressure changes most noticeable in low latitudes is the ______.
A.daily lapse reading
B.diurnal variation of pressure
C.pressure tendency
D.synoptic pressure
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A recurring communication pattern within the project organization or company is called a:A free-form. matrixB structured matrixC networkD rigid channelE None of the above.
80 A recurring communication pattern within the project organization or company is called a:A. free-form. matrixB. structured matrixC. networkD. rigid channelE. None of the above
Ⅲ. Cloze (20 points)Directions: For each blank in the following passage, there are four choices marked A, B, C and D. Choose the one that is most suitable and mark your answer by blackening the corresponding letter on the answer sheet.We are interested in the weather because it (21) us so directly—what we wear, (22) we do, and even how we feel. Geographers, however, are (23) interested in climate than in weather. Climate is the pattern of all the weather conditions over a long period of time. Generally (24) , climate (25) to these normal weather conditions, not (26) daily or yearly changes.Climate, like weather, changes (27) time. It is true (28) these changes (29) a long time, but not as long as we might expect. Records show that over the centuries large portions of the earth have experienced great changes (30) climate.21. A. effectsB. defectsC. infectsD. affects
The refrigeration system low pressure cutout switch is actuated by______.A.an electric system managerB.a sensing bulb at the tail coil of the evaporatorC.pressure changes in the suction lineD.failure of the king solenoid valve
Fog is most commonly associated with a(n) ______.A.warm front at nightB.low pressure areaC.anticycloneD.lack of frontal activity
The diurnal variation of pressure is most noticeable ______.A.above the polar circlesB.in a low pressure areaC.during periods of low temperaturesD.in the doldrums
The diurnal pressure variation is most noticeable in the ______.A.polar regionsB.horse latitudesC.roaring fortiesD.doldrums
In very high latitudes，the most practical chart projection is the ______．A.MercatorB.GnomonicC.AzimuthalD.Lambert conformal
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
A barometer showing falling pressure indicates the approach of a ______.A.high pressure systemB.low pressure systemC.high dew pointD.low dew point
单选题A tropical cyclone has recurved and entered temperate latitudes. In the Northern Hemisphere when a large high pressure system lies north of the storm，what situation may occur?（）AThe low may suddenly deepen，and the cyclone intensify and pick up speedBThe left semicircle may become the dangerous semicircleCThe low and the high may merge and cancel out the weather characteristics of eachDThe high may force the cyclone to reverse its track
单选题The refrigeration system low pressure cutout switch is actuated by （）.Aan electric system managerBa sensing bulb at the tail coil of the evaporatorCpressure changes in the suction lineDfailure of the king solenoid valve
单选题In low latitudes，a first quarter Moon will always rise at about（）.AsunriseB1200 LMTCsunsetD2400 LMT
单选题Two well-developed high pressure areas may be separated by a（）.AHill of low pressureBTrough of low pressureCValley of low pressureDRidge of low pressure
单选题Cast irons weakness in tension and under shock loading limits its use to low pressure steam, air, oil and low speed water fittingsThe above sentence, most probably means （）.Acast iron has weaknessBcast iron can stand up shock loadingCcast iron fittings are only suitable in low pressure situationDeast iron fittings are not suitable in low pressure situation
单选题High-velocity fog（）.Ais a finer，more diffuse water spray than low-velocity fogBrequires that the water pressure be no greater than 60 psiCproduces an effective fog pattern no more than 6 feet beyond the nozzleDextinguishes a fire by absorbing heat and reducing the supply of oxygen
单选题In very high latitudes，the most practical chart projection is the（）.AMercatorBGnomonicCAzimuthalDLambert conformal
单选题A great circle track provides the maximum saving in distance on（）.Aeasterly courses in high latitudesBsoutherly courses in high latitudesCwesterly courses in low latitudesDeasterly courses in low latitudes that cross the equator
单选题The direction of the surface wind is（）.Adirectly from high pressure toward low pressureBdirectly from low pressure toward high pressureCfrom high pressure toward low pressure deflected by the earth's rotationDfrom low pressure toward high pressure deflected by the earth's rotation
单选题The most important information to be obtained from a barometer is the（）.Adifference between the reading of the two pointers，which shows wind directionBlast two figures of the reading of the pointer，such as 87，76，or 92Cpresent reading of the pressure，combined with the changes in pressure observed in the recent pastDweather indications printed on the dial (such as cold，wet，etc.) under the pointer
单选题Low pressure air is usually taken through （） or pressure regulators to a low pressure reservoir supplying a ring main through driers.Aglobe valvesBbutterfly valvesCgate valvesDreducing valves
单选题The diurnal variation of pressure is most noticeable（）.Aabove the polar circlesBin a low pressure areaCduring periods of low temperaturesDin the doldrums
单选题The diurnal pressure variation is most noticeable in the（）.Apolar regionsBhorse latitudesCroaring fortiesDdoldrums
单选题An indication of a diesel engine air intake being partially clogged, is （）.Alow firing pressure and low exhaust temperaturesBlow firing pressure and normal exhaust temperaturesChigh firing pressure and low exhaust temperaturesDhigh firing pressure and high exhaust temperatures
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Considering the general circulation of the atmosphere，the wind system between latitudes 30°N and 60°N is commonly called the（）.Aprevailing westerliesBhorse latitudesCtrade windsDsubpolar low pressure belts
单选题The daily recurring pattern of pressure changes most noticeable in low latitudes is the （）.Adaily lapse readingBdiurnal variation of pressureCpressure tendencyDsynoptic pressure