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2024年全国硕士研究生入学统一考试英语(一)试题
SectionIUseofEnglish
Directions:
Readthefollowingtext.Choosethebestword(s)foreachnumberedblankandmarkA,B,CorDontheANSWERSHEET.(10points)
Theresnothingmorewelcomingthanadooropeningforyou.theneedtobetouchedtoopenorclose,automaticdoorsareessentialin2disabledaccesstobuildingsandhelpingprovidegeneral3tocommercialbuildings.
Self-slidingdoorsbegantoemergeasacommercialproductin1960afterbeinginventedsixyears4byAmericansDeeHortonandLewHewitl.They5asanoveltyfeature,butastheirusehasgrown,their6haveextendedwithinourtechnologicallyadvancedworld.Particularly7inbusylocationsorduringtimesofemergency,thedoors8crowdmanagementbyreducingtheobstaclesputinpeoplesway.
9makingaccessbothinandoutofbuildingseasierforpeople,thedifferenceinthewaymanyofthesedoorsopenhelpsreducethetotalarea10bythem.Automaticdoorsoftenopentotheside,withthepanelsslidingacrossoneanother.Replacingswingdoors,these1smallerbuildingstomaximisetheusablespaceinsidewithouthavingto_12thewayforalarge,sticking-outdoor.Therearemanydifferenttypesofautomaticdoor,witheach13specificsignalstotellthemwhentoopen.14thesemethodsdiffer,themain15remainthesame.
Eachautomaticdoorsystem16thelight,soundweightormovementintheirvicinityasasignaltoopen.Sensortypesarechosento17thedifferentenvironmentstheyareneededin.18abusystreetmightnot19amotion-sensoreddoor,asitwouldconstantlybeopeningforpassers-by.Apressuresensitivematwouldbe
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