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1、10 月托福閱讀全真試題 28. Theword"there"inline18refersto(A)treetops(B)roots(C)watercolumns(D)tubes9. Whatcausesthetensionthatdrawswaterupaplant ?(A)Humidity(B)Plantgrowth(C)Rootpressure(D)Evaporation10. Theword"extend"inline24isclosestinmeaningto(A)stretch(B)branch(C)increase(D)rotate11.

2、Accordingtothepassage whydoeswatertravelthroughplantsinunbrokencolumns ?(A)Rootpressuremovesthewaterveryrapidly.(B)Theattractionbetweenwatermoleculesinstrong.(C)Thelivingcellsofplantspushthewatermoleculestogether.(D)Atmosphericpressuresupportsthecolumns.12. Whydoestheauthormentionsteelwireinline30 ?

3、(A)Toillustrateanothermeansofpullingwater(B)Todemonstratewhywoodisagoodbuildingmaterial(C)Toindicatethesizeofacolumnofwater(D)Toemphasizethestrengthofcohesiveforcesinwater13. Whereinthepassagedoestheauthorgiveanexampleofaplantwithlowroot pressure ?A)Lines3-4B)Lines5-7C)Lines10-11D)Lines12-13Question

4、14-22MasstransportationrevisedthesocialandeconomicfabricoftheAmericanc ityinthreefundamentalways.Itcatalyzedphysicalexpansion,itsortedoutpeopleandlanduses,anditacceleratedtheinherentinstabilityofurbanlife.Byopeningvastareaso funoccupiedlandforresidentialexpansion, theomnibuses , horserailways ,commu

5、tertrains , andelectrictrolleyspulledsettledregionsoutwardtwotofourtimesmoredista ntfromcitycentersthantheywereinthepre-modernera.In1850 , forexample , thebordersofBostonlayscarcelytwomilesfromtheoldbusinessdistrict ; bytheturnofthecenturytheradiusextendedtenmiles.Nowthosewhocouldafford itcouldlivef

6、arremovedfromtheoldcitycenterandstillcommutethereforwork shopping , andentertainment.Thenewaccessibilityoflandaroundtheperipheryofalmoste verymajorcitysparkedanexplosionofrealestatedevelopmentandfueledwhatwe nowknowasurbansprawl.Between1890and1920 , forexample , some250 , 000newresidentiallotswerere

7、cordedwithinthebordersofChicago , mostofthemlocatedinoutlyingareas.Overthesameperiod , another550 , 000wereplottedoutsidethecitylimitsbutwithinthemetropolitanarea.Anxiou stotakeadvantageofthepossibilitiesofcommuting,realestatedevelopersadded800,000potentialbuildingsitestotheChicagoregioninjustthirty

8、years-lotsthat couldhavehousedfivetosixmillionpeople.Ofcourse , manywereneveroccupied ; therewasalwaysahugesurplusofsubdivided , butvacant , landaroundChicagoandothercities.Theseexcessesunderscoreafeatureofresi dentialexpansionrelatedtothegrowthofmasstransportation :urbansprawlwasessentiallyunplanne

9、d.Itwascarriedoutbythousandsofsm allinvestorswhopaidlittleheedtocoordinatedlanduseortofuturelandusers. Thosewhopurchasedandpreparedlandforresidentialpurposes,particularlylandnearoroutsidecityborderswheretransitlinesandmiddle-cl assinhabitantswereanticipated,didsotocreatedemandasmuchastorespondtoit.Chicagoisaprimeexampleofthis process.Realestatesubdivisionthereproceededmuchfasterthanpopulationgrowth.14. Withwhichofthefollowingsubjectsisthepassagemainlyconc

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