广东省惠州市2020┄2021届高三上学期第三次调研考试英语试题

发布时间：2022-11-23 16:16:34

第I卷第二部分阅读理解（共两节，满分40分）第一节（共15小题；每小题2分，满分30分）阅读下列短文，从每题所给的四个选项（A、B、C和D）中，选出最佳选项，并在答题卡上将该项涂黑。ATipsforwaitinginlineWhenliningupatthesupermarketcheckoutcounter,thelinesnexttousalwaysseemtobemovingfasterthantheonethatwearestandingin.NowtheNewYorkTimeshasputtogethertheresearchofscientiststogiveyousomeinsightsintothemathandpsychologyofqueuing.Italsoofferedtipsonpickingthefastestlinenomatterifyou’reliningupinasupermarket,abankoranywhereelse.PickingsomeonewithafullchartUSmathematicianDanMeyerbelievesthatachart（购物车）fullofitemsdoesn’ttellthewholestory.“Everypersonrequiresafixedamountoftimetosayhello,pay,saygoodbyeandclearoutofthelane,”hesaid.Andthatamountoftimeisanaverageof41secondsperperson.Ontheotherhand,thetimethateachitemtakestoberungupisonlythreeseconds.Thatmeansiftherearefivepeopleaheadofyou,eachwithtenitemsintheircharts,thewaitingtimewillbe355seconds.Butifthereisonlyonepersonaheadofyou,with50itemsinthechart,thewaitingtimeis191seconds.Youdothemath.Studythecustomer
Howmanypeopleareaheadofyouisonething,andwhotheyareisanother.Forexample,iftheyareoldpeople–andthisisnotageist（年龄歧视的）–theytendtomovesloweranddelaythecheckoutprocess.Theitemsintheirchartarealsoimportant.Forexample,fourbottlesofthesamemilkwilldefinitelygofasterthanfourcompletelydifferentitems.Choosea“serpentineline”Insomeplaces,theremaybejustonelineleadingtoseveralcheckoutcounters.Thepersonattheheadofthelinegoestothenextavailablecounter.Thisisknownasa“serpentine（蛇形的）line”.Youshouldalwayschooseaserpentinelinebecauseevenifoneofthecashiersorcustomersisslow,itwon’tholdupanentireline.GoleftAccordingtoRobertSamuel,aUSsciencewriter,around90percentofpeopleareright-handed,whichmeanstheytendtogototheright.Soheadingtotheoppositedirection–left–willgiveyouabetterchanceoffindingafasterline.21.Ifthereare6peoplebeforeyou,andtheybuy72itemsaltogether,thenyouhavetowaitabout________seconds.A.462B.318C.246D.21622.Whatweneedn’tconsiderbeforedecidingwhichlinetostandin？A.Thenumberofpeoplebeforeyou.B.Thequantityofthegoodstocheckoutbeforeyou.C.Whatkindofpeoplebeforeyou.D.Howmanyleft-handedpeoplebeforeyou.

广东省惠州市2020┄2021届高三上学期第三次调研考试英语试题

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