专题限时集训(三)细节理解之数字计算A(2019·潍坊市统一考试)Whentravelingonabudget，everydollarcounts.Unfortunately，thecostofticketsalonecanmakeaseriousholeinyoursavings.Don'tletthatstopyoufromtakingyourdreamvacation，though.AccordingtoJeffKlee，CEOofCheapAir.com，thereisa“sweetspot”togetthebiggestbangforyourbuck.“Themostimportantruleisfairlyobvious:don'twaituntilthelastminute，asthatrarelyworksout，”hesaidinastatement.“Butbeyondthat，youalsowanttobecarefulnottobuytooearly.”Still，that'seasiersaidthandone.Findingthemostcostefficienttimetobookistough.Luckily，somebodydidthemath—soyoudon'thaveto.Datacrunchers(处理器)fromtheonlinetravelageneyCheapAir.comsurveyedover917millionfarestodeterminethedaywiththecheapestrates.Here'swhattheyfound：whilepricestendtostaythesamebetween320and106daysbeforeatrip，theystartdroppingatthe105daymark.Thatsaid，youmightbetemptedtobookthemomentpricesdrop.Butholdon!You'llsaveevenmoremoneybybookingprecisely70daysbeforeyourtrip.AccordingtoCheapAir.com，youcansave48percentoftheticket'stotalcostbyusingthistrick.Afterthatdate，airfareswillbegintoincreaseagain.Anddon'teventhinkaboutbookinganylaterthan20daysaheadoftime，aspriceswillbesoaring.So，whatareyouwaitingfor？Startplanningyournextdreamvacation，andbookaccordingly.Yourwalletwillthankyou—guaranteed.【语篇解读】本文介绍了购买便宜飞机票的方法和策略。1．Whencanwebookourplaneticketstosavethemostmoney?A．Thelater，thebetter.B．Asearlyaspossible.C．105daysbeforeourtrip.D．70daysbeforeourtrip.D[考查细节理解。根据第四段的内容尤其是第四句“You'llsaveevenmoremoneybybookingprecisely70daysbeforeyourtrip.”可知，旅行前第70天预订机票节省的钱最多，故选D。]2．Howmuchcanthetrickhelpussaveiftheticketcosts$400totally?A．$48.B．$192.C．$208.D．$352.B[考查细节理解。根据第四段第五句“AccordingtoCheapAir.com,youcansave48percentoftheticket'stotalcostbyusingthistrick.”并结合题干可知，原价是400美元的飞机票总共可以节省：$400*48%＝$192，故选B。]3．What'sthepurposeoftheauthorinwritingthistext?A．Toexplainwhata“sweetspot”is.B．Toattractpeopletotravelingbyplane.C．Toshowthewaysofbookingplanetickets.D．Totellpeoplehowtobuycheapplanetickets.D[考查写作意图。根据第一段第一句“Whentravelingonabudget,everydollarcounts.”和对本文的整体理解可推知，本文的主要目的在于介绍购买便宜飞机票的策略和方法，故选D。]BGreatAmericanSongContestContestRules&Entry：Thisannualeventisdesignedforamateurandsemipro(半职业)songwritersonly.Songwriterswhoearnover$10，000annuallyfromsongpublishingroyalties(版税)donothavequalifications.AmateurandsemiprosongwritersfromallnationsoftheworldareinvitedtoparticipateintheGreatAmericanSongContest.Songlyrics(歌词)maybeinanylanguage.PleaseincludeanEnglishtranslation.Allparticipantswillbesentanentryconfirmationandajudgingschedulewhentheirsongsarereceivedandprocessed.Thisyear'sdeadlineisMarch5,2019.Onlinesubmissionsmustbereceivedbythisdate.Mailedsubmissionsmustbepostmarked(盖邮戳)bythisdate.Anentryfeeof$30isrequiredforeachenteredsong.Afterthefirsttwoentries，theentryfeedropsto$25foreachadditionalsong.Ifthesamesongisenteredinmultiplecategories，eachrequiresaseparateentryfee.Prizes&Benefits：GrandPrizeWinnerreceives$1，000incash；eachFirstPrizeWinnerreceives$500incash.Inaddition，allwinnersreceiveafreemembershiptoTAXIIndependentA&RCompany—$300value!Unlikethosehighlycompetitive“bigcashprize”contests，whichreceive20...
