Whatismeantby"dividedattention"?（）
A. Switchingofattentionfromonesetofstimulitoanother
B. Focusingonnon-essentialinformation
C. Samplingofstimuli,andselectionofoneofthemforfurtherprocessing
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Thewrongdescriptionaboutapilot’ssituationawarenessis（）
A. Therelationshipbetweenapilot’ssituationawarenessandhis/herflightperformancecanbeillustratedwithinvertedU-shapedcurve.
B. Apilot’ssituationawarenessisdynamicduringflight.
C. Apilot’ssituationawarenesshaspositiverelationshipwithhis/herperformance.
InahighlysuccessfulefforttobetteranalyzeSAincidents,MicaEndsleydevelopeda3-leveltaxonomyin1995、Usingthetaxonomy,ASRSreviewed113SAincidentsthatwerereporteditandfound169SAerrors.MostOfthemwereclassifiedas（）
A. Level1—Failuretocorrectlyperceivethesituation
B. Level2—Failuretocomprehendthesituation
C. Level3—Failuretocomprehendthesituationintothefuture
Duringflight,pilotsshouldconcentrateonmaintasks.Itmeansthat（）
A. Theirattentionshouldbeonthecontroloftheairplane.
B. Theirattentionshouldbelimitedononeortwoinstruments
C. Pilotsshouldassigntheirattentiontoothertaskswhilewatchingoutformaintasks.
Theinvestigationtotheaccidentsinwhichfailuresofflightcrewsituationawarenessinvolvedhaveshowedthatthebiggestproblemis（）
A. Flightcrewfailedtomakecorrectprojectionbasedontheirunderstanding
B. Flightcrewfailedtocomprehendirregularconditions,changesordeviationscorrectly
C. Flightcrewfailedtodetectirregularconditions,changesordeviations
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