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1、Listenthisway听力教程第三册-1Unit1TheEarthatRiskPartⅠGettingreadyTheenvironmentisthenaturalworldofland,sea,air,plants,andanimalsthatexistsaroundtownsandcities.Sincethereisonlyoneglobewherewe'reliving,moreandmorepeoplehavecometorealizetheimportanceofprotectingthetotalglobalenvironmen
2、t.AThefollowingwordsandphraseswillappearinthisunit.Listencarefullyandstudythedefinitions.1. viciouscircle：asetofeventsinwhichcauseandeffect'followeachotherinacircularpattern2. monsoonseason：theseasonofheavyrainsthatfallinIndiaandneighboringcountries3. hygiene：thestudyandpract
3、iceofhowtokeepgoodhealth,esp.bypayingattentiontocleanliness4. accelerate：(causeto)moveorgofaster5. fossilfuel：anynaturallyoccurringcarbonorhydrocarbonfuel,suchascoal,petroleum,peat,andnaturalgas,formedbythedecompositionofprehistoricorganisms6. latitude：ameasureofrelativeposit
4、ionnorthorsouthontheEarth'ssurface,measuredindegreesfromtheequator,whichhasalatitudeof0°,withthepoleshavingalatitudeof90°northandsouth.7. contamination：theactofpollutingorthestateofbeingpolluted8. hierarchy：asysteminwhichpeopleorthingsarearrangedaccordingtotheirimportance9. p
5、riority：somethinggivenspecialorpriorattention10. watershed：aridgeofhighgroundformingadividebetweentwodifferentdrainagebasinsorriversystemsortheregionenclosedbysuchadivideanddrainingintoariver,riversystem,orotherbodyofwater.BYouaregoingtohearashortspeech.Listencarefullyandwrit
6、edowntheenvironmentalissuesmentionedinthespeech.Audioscript:TheAmazonforestsaredisappearingbecauseofincreasedburningandtreeremoval.InSeptember,satellitepicturesshowedmorethan20000firesburningintheAmazon.Expertssaymostofthesefiresweresetbyfarmers.Thefarmerswereattemptingtoclea
7、rlandtogrowcrops.TheWorldWildlifeFundsaysanotherseriousproblemisthattoomanytreesintheAmazonrainforestarebeingcutdown.WorldWildlifeFundsaysthefiresshowtheneedforurgentinternationalactiontoprotecttheworld'srainforests.Thegroupwarnsthatwithoutsuchactionsomeforestscouldbelostfore
8、ver.Nowadaysenergyistooexpensivetowaste.Itcoststhecountry,andyou,too
