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1、InordertosolveaburglarythathastakenplaceattheMarshalls'house,DetectiveJohnsonhasbeeninstructedtosearchexactlysevenlocations—thefoyer,thekitchen,thelivingroom,theguestroom,thehallway,themusicroom,andthenursery.Thefoyer,kitchen,andlivingroomarelocateddownstairs,whereastheguestroom
2、,hallway,musicroom,andnurseryarelocatedupstairs.Duringthefirstvisittosearchforevidence,DetectiveJohnsonhastimetosearchexactlythreelocations.Thissearchmustbeconductedaccordingtothefollowingconditions: Thethreelocationssearchedmustbeneitherallupstairsnoralldownstairs. Ifthehallway
3、issearched,thenthefoyermustalsobesearched. Ifthemusicroomisnotsearched,thentheguestroomcannotbesearched. Thekitchenandthelivingroomcannotbothbesearched. Thethreelocationssearchedmustincludethelivingroomorthenursery,orboth.Whichofthefollowingisaselectionoflocationsthatconformstot
4、heconditionsforDetectiveJohnson'sfirstvisit?Foyer,guestroom,hallwayFoyer,hallway,livingroomFoyer,kitchen,livingroomGuestroom,hallway,kitchenGuestroom,musicroom,nursery————————————————————————答案:(B)Duringthefirstvisit,ifthekitchenissearched,whichofthefollowingmustalsobesearched?T
5、hefoyerTheguestroomThehallwayThemusicroomThenursery————————————————————————答案:(E)Duringthefirstvisit,ifthemusicroomissearched,whichofthefollowingisapairoflocationsthatcanbothalsobesearched?ThefoyerandthehallwayTheguestroomandthekitchenThehallwayandthelivingroomThekitchenandtheli
6、vingroomThekitchenandthenursery————————————————————————答案:(E)Duringthefirstvisit,iftheguestroomissearched,whichofthefollowingmustalsobesearched?ThefoyerThehallwayThekitchenThelivingroomThenursery————————————————————————答案:(D)Duringthefirstvisit,ifthekitchenistheonlydownstairsloc
7、ationsearched,whichofthefollowingmustalsobesearched?ThemusicroomandthenurseryThehallwayandthenurseryThehallwayandthemusicroomTheguestroomandthenurseryTheguestroomandthemusicroom————————————————————————答案:(A)Duringthefirstvisit,ifthelivingroomisnotsearched,whichofthefollowingisap
8、airoflocationsthatcanbothbesearched?Thefoyerand