atpl网上题库气象

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1、3气象(1)Theapproximatepercentageofoxygenatgroundlevelis·A．20%·B．15%·C．41%正确答案：A(2)Whereisacommonlocationforaninversion?·A．Tropopause·B．Stratosphere·C．Baseofcumulusclouds正确答案：B(3)Thesectionoftheatmospheresurroundingtheearthandclosesttosurfaceiscalled·A．troposphere·B．Stratosp

2、here·C．tropopause正确答案：A(4)Whatfeatureisassociatedwithatemperatureinversion?·A．astablelayerofair·B．anunstablelayerofair·C．airmassthunderstorms正确答案：A(5)Whatcharacterizesaground-basedinversion?·A．convectioncurrentsatthesurface·B．coldtemperatures·C．poorvisibility正确答案：C(6)What

3、conditionproducesthemostfrequenttypeofground-orsurface-basedtemperatureinversion?·A．themovementofcolderairunderwarmairorthemovementofwarmairovercoldair·B．widespreadsinkingofairwithinathicklayeraloftresultinginheatingbycompression·C．terrestrialradiationonaclear,relativelyc

4、almnight正确答案：C(7)Whatisacharacteristicofthetroposphere?·A．itcontainsallthemoistureoftheatmosphere·B．thereisanoveralldecreaseoftemperaturewithanincreaseofaltitude·C．theaveragealtitudeofthetopofthetroposphereisabout6miles正确答案：B(8)Theheatofthestratosphereairischieflyfrom·A．t

5、heabsorptionofsunradiationbythewatervapor·B．theabsorptionofsunultravioletrayradiationbytheozone·C．theabsorptionofgroundradiationbytheair.正确答案：B(9)Thetimeofthedaywhentheearth’ssurfacegivesoffthegreatestamountofterrestrialradiationis·A．afewhoursbeforemidnight·B．atsunset·C．m

6、idafternoon正确答案：C(10)Whendoesmintemperaturenormallyoccurduringa24hoursperiod?·about1hourbeforesunrise·atmidnight·aftersunrise正确答案：c由于太阳辐射强度的日变化，气温在一日之中也呈现周期性变化，有一个最低值和最高值，最低值一般出现在早晨日出后，最高值出现在当地正午后2小时左右。(11)Theheatofthetroposphereairischieflyfrom·A．theabsorptionofsunradiat

7、ionbythewatervapor·B．theabsorptionofsunultravioletrayradiationbytheozone·C．theabsorptionofgroundradiationbytheair正确答案：C(12)Whichofthefollowingisnotcorrect?·A．solarradiationpenetratestheatmospheremorereadilythanterrestrialradiation6·B．theamountofsolarradiationabsorbedatthe

8、earthsurfaceisindependentofthetypeofsurface·C．watervapourandcarbondioxideareimportantabsorbersof