2017年12月英语四级阅读练习（七）思维导图
Here amid the steel and concrete canyons, green grass grows. A hawthorn tree(山楂树) stands in new soil, and freshly dug plants bend in the wind. But Chicago City Hall here seems
树图思维导图提供 2017年12月英语四级阅读练习（七） 在线思维导图免费制作，点击“编辑”按钮，可对 2017年12月英语四级阅读练习（七） 进行在线思维导图编辑，本思维导图属于思维导图模板主题，文件编号是：6e0fb930bc0054e1cb6aa6f1b495d167
思维导图大纲
2017年12月英语四级阅读练习（七）思维导图模板大纲
Hereamidthesteelandconcretecanyons,greengrassgrows.Ahawthorntree(山楂树)standsinnewsoil,andfreshlydugplantsbendinthewind.ButChicagoCityHallhereseemsanunlikelyspotforagardenofanyvariety—especially20,000squarefeetofgardens—onitsroof.Asoneofahandfulofsimilarprojectsaroundthecountry,thegardenispartofa$1.5milliondemonstrationprojectedbythecitytoreduceits"urbanheatislands",saidWilliamAbolt,thecommissioneroftheDepartmentofEnvironment.Heatislands-darksurfacesinthecity,likerooftops-soakupheat.Theretentioncanbakeabuilding,makingitstubborntocooling.TheroofofCityHall,a90-year-oldgraystonelandmarkonLaSalleStreetintheheartofdowntown,hasbeenknowntoreachtemperaturesubstantiallyhotterthantheactualtemperatureonthestreetbelow.Thegardenwillprovidegreeneryandshade."Andthat,"saidthecityofficials,"willsavethecitydollarsonthoseblisteringsummerdays."Theprojectsavingsfromcoolingisabout$4,000ayearonanewroofwhoselifespanisabout50percentlongerthanthatofatraditionalroof.Thesprawlingopen-airrooftopgardenisbeingcarefullybuiltonamulti-tieredbedofspecialsoil,polystyrene,egg-carton-shapedconesand"waterproofmembrane"malltokeeptherooffromleaking,orcavingunderthenormalcombinedweightofsoil,rainandplantlife.Thedesigncallsforsoildepthsof4inchesto18inches.Whenthelastplantsandseedlingsareburiedandthelastbitofcompostislaid,thegardenwillhavecircularbrickstepping-stoneswindinguptohills."TheprimaryfocusofwhatwewanttodowastoestablishthislaboratoryonthetopofCityHalltogetpeopleinvolvedandunderstandingtheirimpactontheenvironmentandhowthelittlethingscanmakeanimpactonthequalityoflife",Mr.Aboltsaid,addingthattheplantsalsohelptocleartheair.Rooftopgardens,inplaceswhereconcretejungleshaveerasedplantsandtrees,arenotnew,noteveninChicago.Armsofgreenerydanglingoverterracesorsproutingfromrooftops,commoninEurope,arebecomingmoresointheUnitedStatesaspeoplebecomeincreasinglyconsciousabouttheenvironment.RichardM.Daley,whourgedtheenvironmentaldepartmenttolookintotheprojectafternoticingrooftopgardensinHamburg,Germanyafewyearsago,haspraisedthegardenasthefirstofitskindonapublicbuildinginthecountry.Itwillholdthousandsofplantsinmorethan150species-wildonionandbutterflyweed,sky-blueasterandbuffalograss-toprovidedataonwhatspeciesadaptbest.Smallplantsrequiringshallowsoildepthswerechieflyselected.
57.Therooftopgardenproject________.
[A]iscommonandpopularinthecountry
[B]isademonstrationprojectandcoststhecitygovernment1.5milliondollars
[C]willmaketheordinarycoolingdownofthecityinsummerunnecessary
[D]aimsatgettingpeopleinvolvedandunderstandingtheirimpactontheenvironment
58.WhatcanwelearnabouttheCityHall?
[A]Itwasbuiltninetyyearsagoandisthemostoutstandingfeatureinthecenterofthecity.
[B]ItisoriginallypropertobuildagardenonthetopoftheCityHall.
[C]Thetemperatureonitstopisalittlebitlowerthanthatonthestreetbelow.
[D]ItisthefirstbuildinginAmericatohaveagardenonit.
59.WhichofthefollowingstatementsisTRUE?
[A]Everyyear,Chicagospendsabout$4,000oncoolingthecity.
[B]ThedesignofthegardenontheCityHallspeciallytakesintoconsiderationtheweighttheroofcanstand.
[C]TheMayorurgedtheenvironmentaldepartmenttolookintorooftopgardensinHamburgandbuildsimilaronesinAmerica.
[D]Heatislandsmainlyrefertothosedark-coloredrooftopswhichreceiveandretainheatandwillnoteasilyreleasetheheat.
60.WhyshouldtherooftopgardenbebuiltonthetopofCityHallotherthanonanyotherbuildings?
[A]BecausetheCityHallislarge.
[B]Becausethemayorhadurgedtheenvironmentaldepartmenttodoso.
[C]Becauseitcanmakepeopleunderstandtheirimpactonenvironmentbetterthroughapublicbuilding.
[D]BecausetheexpertsjustwanttomaketheCityHallaconvenientlaboratory.
61.Theword"substantially"(Line2,Para.5)mostlikelymeans________.
[A]alittlebit[B]infact[C]materially[D]considerably
相关文章
四级阅读：奥巴马看射杀拉登表情冷淡眼神空洞PresidentObamawaswatchingonaTVscreenasacommandogunneddownOsamaBinLaden.Viaavideocamerafixedtothehelmetofa...
TheNewGenderGapWhentheleadersoftheClassof2003assembleinLawrenceHigh'sfluorescent-lit1meetingrooms,mostoftheboysarenowheretobeseen.Theseniorclass...
64-BitTakesOff64-bitdesktopcomputinghastakenasignificantsteptowardbecomingapervasivereality:AMD's(AdvancedMicroDevices)releaseofitsAthlon64chips—a...
HowLongCouldYouGoWithoutComplainingBaseballfansaregearingupfortheWorldSeries,butweallknowwhat'stherealnationalpastime:complaining.Couldyougowithou...
Theriseofmultinationalcorporations(跨国公司),globalmarketing,newcommunicationstechnologies,andshrinkingculturaldifferenceshaveledtoanunparalleledincreaseingl...
Anewanalysisoffederalmoneythatpublicschoolsreceiveforlow-incomestudentsshowsthatarecordnumberofthenation’sschooldistrictswillreceivelessinthecomingac...
FederalExpressisacompanythatspecializesinrapidovernightdeliveryofhigh-prioritypackages.Thefirstcompanyofitstype,FederalExpresswasfoundedbytheyouthfulFre...
By1970,accordingtoaWorldWildlifeFundreport,onlyabout4,500tigerssurvivedthroughouttheworld-halfoftheminIndia.Mr.Foresters,whofollowedandcountedtigerfoot...
AremarkablevarietyofinsectsliveinthisplanetMorespeciesofinsectsexistthanallotheranimalspeciestogether.Insectshavesurvivedonearthformorethan300million...
TheEarthcomprisesthreeprincipallayers:thedense,iron-richcore,themantlemadeofsilicate(硅酸盐)thataresemi-moltenatdepth,andthethin,solid-surfacecrustThere...
相关思维导图模板
树图思维导图提供 农村幼儿园利用绘本阅读开展安全教育的实践研究_副本 在线思维导图免费制作，点击“编辑”按钮，可对 农村幼儿园利用绘本阅读开展安全教育的实践研究_副本 进行在线思维导图编辑，本思维导图属于思维导图模板主题，文件编号是：2000927dcd222b18fa95af52d1709af8
树图思维导图提供 基于多维度测量的地方普通本科高校教师职业幸福感现状及影响因素研究——以H大学为个案 在线思维导图免费制作，点击“编辑”按钮，可对 基于多维度测量的地方普通本科高校教师职业幸福感现状及影响因素研究——以H大学为个案 进行在线思维导图编辑，本思维导图属于思维导图模板主题，文件编号是：86da8b9d0e1ad7a68d53f8f15275c69c
沪公网安备 31011502019485号
上海工商