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1、Unit2TEXTBAnUglyNewFootprintInTheSandInthefirsttextinthisunitweheardthecaseagainsttoomuchenvironmentalprotection.Herewehavethecaseformore.However…Whenthebeachbecomethis,whatwillyouthinkabout?1.Therewerestrangersonourbeachyesterday,forthefirsttimeinamonth.
2、AnewfootprintonoursandisnearlyasrareasinRobinsonCrusoe.WeareattheveryedgeoftheAtlantic;halfamileoutinfrontofusisacoralreefandthennothingbut3,000milesofoceantoWestAfrica.Itisawildandlonelybeach,withthesamesurfbeatingonitaswhenColumbuscameby.Andyetthebeachi
3、spolluted.2.Oiltankersoverthehorizonhavefouleditmorethanlegionsofpicnickerscould.Theoilcomesashoreinfloatingpatchesthatstainthecoralblackandgray.Ithasblightedtherockcrabsandthecrayfishandhascoatedthedelicatewhorlsoftheconchshellswithblackgoo.Andithasconge
4、aleduponitself,litteringthebeachwithglobesoftarthatresemblethecannonballsofadesertedbattlefield.Theislanders,astheygobeachcombingforthetreasurestheseahaswashedupforcenturies,nowwearoldshoestoprotecttheirfeetfromtheoilthatwashesuptoo.3.Youhavetotrytogetawa
5、yfrompollutiontorealizehowbaditreallyis.Wehaveknownforthelastfewyearshowbadourcitiesare.Nowthereisnolongeranescape.IfthereisoilonthisislandfaroutintheAtlantic,thereisoilonnearlyeveryotherisland.4.Itisstillearlyhere.Theairisstillclearovertheisland,butitwon
6、’tbewhentheybuildtheairstriptheyaretalkingabout.Thewateroutoverthereefisstillblueandgreen,butitisdirtierthanitwasafewyearsago.Andifthelandisnotdespoiled,itisonlybecausetherearenotyetenoughpeopleheretodespoilit.Therewillbe.Andsoforthemomentonthisislandwear
7、ewitnessestothebeginning,asitwere,ofthepollutionofourenvironment.5.Whenyouwatchabirdoverthebeachorafishalongthereefyourealizehowill-adaptedmanistothisenvironmentanyway.Physicallythereisnothinghecandothatsomeothercreaturecannotdobetter.Onlyhisneocortex,the
8、"thinkingcap"ontopofhisbrain,hasenabledhimtoinventandconstructartificialaidstoaccomplishwhathecouldnotdobyhimself.Hecannotfly,sohehasdevelopedairplanesthatcangofasterthanbirds.Heisslowerthanthehorse,soheinventedthew
