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1、周周练(五)BOver1ookingtheDavis-Gan1VarsitySoccerFie1d,abedofoverturnedsoi1waitsforfurtherdeve1opment.Inafewyears,thisareawi11becomeanatura1habitatandap1aygroundforanima1sandresidents.Thispeacefu1areadidntappearnatura11y,butthroughp1anningandactiontakenbyCat1inGabe1sTinyForestproject1aunchedbyteacherPatr
2、ickWa1sh.Foreststypica11ytakehundredsofyearstomature,withfourstagesofgrowth.Tinyforestsshortenthetimethroughthep1antingofa11four1ayers,Wa1shexp1ained.Theendresu1tisafast-growing,nativeforestinabout20years.Over600p1antsfrom43specieswi11bep1antedinthetinyforest,thefirstoneinOregon.Wa1shwasinspiredtobu
3、i1datinyforestafterhearingaboutthisidea,whichemergedinJapanandhastakenho1dinNorthAmerica.Hesharedhisvisionwithseniorsinhisc1ass.Theseniorsresearchedtinyforestsandmadeaproposa1resu1tinginC1eanWaterServicesdonating60treesand$5,000fromtheNationa1OceanicandAtmosphericAdministration.Armedwiththeseresourc
4、es,WaIshandthestudentsstartedworking.SomethingIdidntrea11yexpectwastheoutpouringofstudentsenthusiasm.Seeingstudentsfroma11gradesvo1unteeredtocontributetothe,dirtyworkrea11yb1ewmeaway,Wa1shsaid.SeniorMeganCoverhasbeenattheschoo1sincethefirstgrade.11graduateafterworkingonthisproject,whichissure1ysad,b
5、utitsrea11yrewardingandgreattobeapartofthisprojectanddomybit.We,recreatingthiseducationa1spaceformanyyoungkids,Coversaid.Wa1shsummeduphisgoa1oftheproject,whichistobui1dap1acewherestudentscanenjoyand1earnaboutnature.Theforestwi11obvious1ynotso1vec1imatechange,butitwou1ddeservetheeffortsifthekidsthink
6、aboutc1imatechangeandremembertheimportanceofreforestation(重新造林)andtreeswhenthey1ookattheforest.,24. Whatisspecia1abouttinyforests?A.TheyoriginatedinNorthAmerica.B.Theyareusua11yp1antedinschoo1s.C.Theycontainvarioustypesoftrees.D.Theybecomematureinashortertime.25. WhatsurprisedWa1shintheprocessofp1an
7、tingthetinyforest?A.Theabundanceofnativetreespecies.B.Pub1icconcernabouttheenvironment.C.Theactiveparticipationofstudents.D.Supportfrom1oca1organizations.26. HowdoesMeganCoverfee1abouttheproject?A.Proud.B.Hopefu1.C.ExcitedD.Gratefu1.27. WhatdocsWa1shwanttheforesttofunctionasforthestudents?A.Asourceo
8、fenjoyment.B.Areminder.C.Asourceofinspiration.D.AwitnessCWe,rea1readywe11awarethattheAmericanSouthwest,whichisnatura11yhotanddry,isserious1yshortofwater.Thesituationisgettingworseeverydaywithpopu1ationsinCa1ifornia,NevadaandNewMexicocontinuinggrowing.Thefactthatsomanypeop1eoftheregionneedthe1imitedr
9、esourceshas1edexpertstopredictamajorwatershortfa11thatwi11costbi11ionstodea1with.Anewstudythatrevea1sc1imatechangeisgoingtodryouttheregionevenfurtherispaintingaseriouspictureofthefuture.Accordingtothestudy,g1oba1warmingcou1dincreasethe1ong-termwatershortfa11tothe1,815bi11ioncubicmetresbyaddinganothe
10、r439mi11ioncubicmetresofwater.Basedonthepriceofaddingreservoir(水库)capacitiesinCa1ifornia,meetingbasicwatershortagescou1dcost$549bi11ionifc1imatechangeisfactoredin.Higherwaterpriceswou1dmaketheadaptationevenmoreexpensiveifnowatercou1dbefoundata11inthedrierfuture.Butevenbeyondthemerecostofcreatingmore
11、reservoirs,theresnodenyingthefactthatahotter,drierSouthwestwi11demandmoreandmoreenergyforcoo1ing.Theresanotherfactthatc1imatechangewi11makecitiesinstates1ikeNevadaandNewMexicofar1esssustainab1ethantheya1readyare.Theresa1sothefactthatawarmerc1imatewi11havea1ong-1astingimpactontheregionsecosystem.Prev
12、iousstudyhasnotedthatc1imatechangemayconverttheAmericanSouthwestintoapermanentdesert.Itscertain1ypossib1ethatitwi11betooexpensivetobui1dreservoirsforsomesuburbsandcommunitiesandwecou1dseeanexodus(大fit人同时离开)fromtheregion;butthatsa1mostsuitab1etochange,becausecommunitiespayfortheextreme1yinefficientpr
13、ocessesofpumpinginwaterfromoutofthestates.28. Whatisthebesttit1eforthispassage?A. AmericanSouthwestIsShortofWaterB. C1imateChangeWi11MakeWaterShortageWorseC. Ca1iforniaCounci1PaysAttentiontoWaterShortagesD. WaterShortages1eadExpertstoPredictWaterShortfa1129. Whatistheauthorsattitudetowardsthesituati
14、onoftheAmericanSouthwest?A.Worried.B.Critica1.C.Sympathetic.D.Indifferent.30. Whatcanweinferfromthethirdparagraph?B. ThesituationsofNevadaandNewMexicoarenotbadyet.A.Peop1eshou1dcoo1thec1imateimmediate1y.C. Theenergyrequirementsneededforcoo1ingwi11notmakewatershortageworse.D. Theresare1ationshipbetwe
15、enc1imatechangeandecosystem.31. Whichofthefo11owingisNOTtrue?A. Thehighpriceofbui1dingreservoirsismakingthesituationworse.B. Popu1ationgrowthisthemainreasonforwatershortages.C. G1oba1warmingcou1dincreasethe1ong-termwatershortfa11to1,815bi11ioncubicmetres.D. TheAmericanSouthwestmaybecomeadesertoneday
16、.DAutomation(自动化)wasahottopic.Near1yeveryoneagreedthatpeop1ewou1dbeworking1essoncecomputersandotherkindsofautomaticmachinerybecamewidespread.Foroptimists,thiswasapromiseof1iberation:At1asthumanitywou1dbefreedfromconstanttoi1,andwecou1da11devoteourdaystomorerefinedpursuits.Butotherssawathreat:Mi11ionsofpeop1ewou1dbethrownoutofwork,anddesperatemasseswou1droamthestreets.1ookingbackfrom50ye