ATPL网上题库12人的因素.doc

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1、12人的因素(1)Whatpercentageofaircraftaccidentshavebeendeemedtohavebeendirectlyattributedtohumanfactors-ratedrelatedcauses?·A．80-90%·B．about75%·C．40-50%正确答案：B(2)Nightvisionisenhancedby·A．lookingslightlytoonesideoftheobjectyouwishtoview·B．fixingyourgazedirectorontheobjectyouwishtov

2、iew·C．ensuringthatthecockpitremainsbrightlyilluminated正确答案：A(3)Whoisexposedtoahighglareenvironmentwhileontheground(beachsandorsnow),whichwouldhelptoenhancenightvision?·A．Don'treadsmallprintwithinonehourofflying.·B．Weargoodqualitysunglassesduringtheday.·C．Avoidusingcontactlens

3、es.正确答案：B(4)Whicharcticflyinghazardiscausedwhenacloudlayerofuniformthicknessoverliesasnoworicecoveredsurface?·A．Whiteout·B．Blowingsnow·C．Icefog正确答案：A(5)Thetwodifferenttypesoflightsensitiveelementsontheretinaareclassifiedas·A．rodswhicharesensitivetocolorandconeswhichworkbestin

4、dimlight·B．coneswhicharesensitivetocolorandrodswhichworkbestindimlight·C．rodsandconesbothofwhichareresponsibleforcolorvision正确答案：B(6)Whatisthemosteffectivewaytousetheeyesduringnightflight?·A．Lookonlyatfaraway,dimlights.·B．Scanslowlytopermitoff-centerviewing.·C．Concentratedire

5、ctlyoneachobjectforafewseconds.正确答案：B(7)Inthedark,astationarylightwillappeartomovewhenstaredatforaperiodoftime.Thisillusionisknownas·A．somatogravicillusion·B．groundlightingillusion·C．autokinesis正确答案：C(8)Themosteffectivewaytoscantheskyforotheraircraftduringlevelflightisto·A．mo

6、vetheheadinacontinuousarcfromsidetoside·B．donotlookanywherebutstraightaheadunlessyoudetectmovement·C．movetheheadabout200or300atatime,pausingaftereachmovementtoallowtheperipheralvisiontodetectanymovement正确答案：C(9)Theeyemovesinwhataretermed“saccades”jerksandrests.Invisualsearchi

7、ngasaccade/restcycleusuallyoccupiesroughly?·A．0.3s·B．1.0s·C．3s正确答案：C(10)Thefunctionoftheciliarymusclesintheeyesisto·A．movetheeyesfromlefttorightinthesocket·B．changethesizeofthepupiltovarytheamountoflightenteringtheeye·C．altertheshapeofthelenstoallowtheeyetofocusonobjectsatvar

8、iousdistances正确答案：C(11)Whenlightpassesthroughthelensitisbroughttofoc