第19练 世界与环境基础巩固.单句语法填空1Theamountofwaterwhichissuitable_(drink) islessandlessnow.2Nowmoreandmorepeoplepaymoreattentiontohow_(save) water.3Withthedevelopmentofscienceandtechnology，itbecomesmoreimportant_(protect) ourenvironment.4InChinaalotofriversandlakesare_(serious) pollutedbysomefactories.5Somewastewaterhasbeenpouredintoriversandlakes，_(kill) alargenumberoffish.6Ifeveryonemakesacontributiontoprotectingtheenvironment，theworld_(become) muchmorebeautiful.7Howtoprotectourenvironmenthasbeenoneofthemostdifficult_(problem) intheworld.8Weshouldplantmoreandmoretreesinordertolivebetterand_(healthy) inthefuture.9Itishightimethatthegovernment_(take) somemeasurestoreducepollution.10_thewholethewarmingoftheearthisaphenomenonthatcausesgreatconcern.单句改错(每小题仅有1处错误)11Thegovernmentshouldtakeactiontostopthesefactoriesproduceharmfulgases.12Asweallknow，environmentalproblemsdirectlyaffectaboutthequalityofpeopleslives.13Ifwedontsavewater，lastdropofwaterwillbeateardropofus.14Thevillagersurgedthegovernmenttotakeseveralmeasuretoreducetheheavypollution.15Withouttheshadefromthetrees，theearthwouldgettoohottolive.16Eachofusshouldtryourbesttoprotecttheearthsoitisourhome.17Thegrowingspeedofaplantisinfluencedbyanumberoffactors，mostofthemarebeyondourcontrol.18Youdbeexposedtoalotlittlepollutionifyoumovedtoatownwithpurewaterandair.19Nowadaysmanyfactoriesproducelargeamountsofchemicalsarepoisonoustohumanbeings.20Nobodyknowsexactwhyandhowdinosaursdisappearedfromtheearthinsuchashorttime.话题词汇1pollution n污染2atmosphere n大气，气氛3consequence n结果，后果4attach great importance to.十分重视5be aware of.意识到6damage v毁坏7make a difference有影响8environment n环境9suffer v受苦，遭受10cause v导致能力提升.阅读理解A(2018安徽皖北协作区联考)Todaytropicalrainforestsaredisappearingfromthefaceoftheglobe.Despitegrowinginternationalconcern，rainforestscontinuetobedestroyedatapaceover80,000acresperday.Worldrainforestcovernowstandsataround2.5millionsquaremiles.Humanactivitieshavehadaneffectonmuchofthisremainingarea.Deforestation(森林滥伐) oftropicalrainforestshasaglobaleffectthroughspeciesextinction，thelossofimportantecosystemservicesandrenewableresources，andthereductionofcarbonsinks.However，thisdestructioncanbeslowed，stopped，andinsomecasesevenreversed(逆转)Mostpeopleagreethattheproblemmustbesolved，butthemeansarenotassimpleasbuildingfencesaroundtheremainingrainforestsorbanningthewoodtrade.Economic，political，andsocialpressureswillnotallowrainforeststocontinuetoexistiftheyarecompletelyclosedofffromuseanddevelopment.So，whatshouldbedone？Thesolutionmustbebasedonwhatispractical，notcompletelyidealisticanddependsondevelopingaconservationapproachbuiltontheprincipleofsustainable(可持续的) useanddevelopmentofrainforests.Beyondtheresponsibledevelopmentofrainforests，effortstorestoredamagedforestlandsalongwiththeestablishmentofprotectedareasarekeytosecuringrainforestsforthelongtermbenefitstheycanprovideformankind.Historicapproachestorainforestconservationhavefailed，asshownbytheincreasedrateofdeforestation.Inmanyregions，closingoffforestsasuntouchableparksandreserveshasneitherimprovedthequalityoflivingoreconomicopportunitiesfortheruralpoor，norstoppedforestclearingbyillegalwoodcuttersanddevelopers.Theproblemwiththistraditionalapproachtopreservingwildlandsindevelopingcountriesisthatitfailstodeveloppropereconomicmotivesforpreservingtheforest.Localpeopleandthegovernmentitselfmustseefinancialreturnstoprovethecostsofmaintainingparksfromeconomicactivities.21Whathascausedsomespeciesextinctioninthetropicalrainforests?AHumansdestroyingthetrees.BCarbonsinksbeingreduced.CLackingrenewableresources.DFencesnotbeingbuiltaroundtherainforests.22Whatcanbeinferredfromthepassage?ATropicalrainforestscanbeeasilypreserved.BRainforestsmustbeclosedofftobebetterprotected.CHumanactivitieshavehadaneffectontropicalrainforests.DEconomicreturnscanmakeadifferenceinprotectingtropicalrainforests.23Whatistheauthorsattitudetotropicalrainforestprotection?AIndifferent.BConcerned.CDoubtful.DPuzzled.24Whatisthepurposeofthepassage?AToshowthebadeffectsofdeforestation.BTostresstheimportanceoftherainforests.CToappealforrightwaystosavetherainforests.DTointroducethefactofforestsdisappearing.BForcenturies，elephantshaveplayedabigroleintheworldseconomies，culturesandreligions.TheAfricanelephantsusedtobefoundalloverAfricaandtheAsianelephantsmovedfromSyriatoChinatoIndonesia.Nowadays，elephantsarefoundinsmallgroupsinthesouthoftheSaharaDesertandscarcelyinSoutheastAsia，SriLankaandIndia.Intheearlytwentiethcentury，therewereclosetotenmillionelephants，andnowtheelephantnumberisaslowas252,000andexpectedtodropdownto160,000by2025.Between2007and2014，theelephantpopulationfellbyatleast30%，or144,000elephants.AsresearchershavetraveledovertheAfricanplains，theyonlyspottedoneherdof36elep