文档介绍：2020年浙江省高考英语试卷
2020年浙江省高考英语试卷
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2020年浙江省高考英语试卷
2020年浙江省高考英语试卷
题号IIIIIIIVV总分
得分
一、阅读理解（本大题共10小题layreview．
2020年浙江省高考英语试卷
2020年浙江省高考英语试卷
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2020年浙江省高考英语试卷
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2020年浙江省高考英语试卷
2020年浙江省高考英语试卷
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2020年浙江省高考英语试卷
B
ThetrafficsignalsalongFactoriaBoulevardinBellevue，Washington，generallydon?tflashthesamelengthofgreentwiceinarow，especiallyatrushhour．At9：30am，thefullred/yellow/greensignalcyclemightbe140seconds．By9：33am，aburstofadditionaltrafficmightpushitto145seconds．Lesstrafficat9：37amcouldpushitdownto135．Justlikethetrafficitself，thetimingofthesignalschanges．
Thatisbydesign．Bellevue，afast-growingcityjusteastofSeattle，usesasystemthatisgainingpopularityaroundtheUS：intersection（十字路口）signalsthatcanadjustinrealtimetotrafficconditions．Theselights，knownasadaptivesignals，haveledtosignificantdeclinesinboththetroubleandcostoftravelsbetweenworkandhome．
"Adaptivesignalscanmakesurethatthetrafficdemandthatisthereisbeingaddressed，"
saysAlexStevanovic，aresearcheratFloridaAtlanticUniversity．
ForallofBellevue?ssuccess，adaptivesignalsarenotacure﹣allforjammed
roadways．KevinBalke，aresearchengineerattheTexasA&MUniversityTransportationInstitute，saysthatwhilesmartlightscanbeparticularlybeneficialforsomecities，othersaresojammedthatonlyasharpreductioninthenumberofcarsontheroadwillmakeameaningfuldifference．"It?snotgoingtofixeverything，butadaptivesignalshavesomebenefitsforsmallercities，"hesays．
InBellevue，theswitchtoadaptivesignalshasbeenalessoninthevalueofwelcomingnewapproaches．Inthepast，therewasoftenanautomaticreactiontoincreasedtraffic：justwidentheroads，saysMarkPoch，theBellevueTransportationDepartment?strafficengineeringmanager．Nowhehopesthatothercitieswillconsidermakingtheirstreetsrunsmarterinsteadofjustmakingthembigger．
Whatdoestheunderlinedword"that"inparagraph2referto？
Increasedlengthofgreenlights．
Shortenedtrafficsignalcycle．
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