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1、Unit1I.TFTFTII.BCABAIII.1.IV.1.Caringforthesecreatureshasbecomeanenormouslyentertaininingandeducationalhobby.2.Tarantulasarenotaggressiveunlessthreatenedbyanabruptmotion.3.Duringtheprocess,thespider’ssoftinnerbodyistemporarilyexposedanditcaneasilybeinjuredorkilled.4.Itisessentialnot
2、todisturebthespiderduringthisprocess.5.Ascreencoverisfineaslongasitcanbesecured.Unit2I.DFBECAII.Expressive,displaced,priority,transmitters,coincidenceIII.1.Intheearly1900s,ademandforcoatsmadefromthefurofkoalasthreatenedtodestroytheentirespecies.2.Inthe1930stheAustraliangovernmentpas
3、sedlegislationtoprotectkoalas.3.Theinformationshowedwhichkoalaswerepermentresidentsandwhichwerevisitors.4.Sincekoalashavefavoritepathsbetweenfoodtrees,allfenceswereraisedtoallowthemtopasseasilyunderneath.5.Thisbonushasincreasedhomeowners’excitementoverthisoutstandingwildlife-feiendl
4、ycommunitymorethanexpected.Unit3I.BCDAII.Benefits,galleries,abandoned,attract,atmosphere,releatate,restore,baseIII.1.Iadvocatearadicalproposaltoturnthingsaround.2.Let’sdeclarethefourblockareatothenorthofMainStreetapedestrian-onlyzone.3.Insteadofgoingtoanthercityforentertainment,peop
5、lemaystartmakingdowntownAlbiontheirfree-timedestination.4.Newpulbictransportationoptionscouldencouragepeopletoleavetheircarsathomeandprovidethecitywithadditionalincome.5.Whentheybroughtintheirpedestrian-onlyzonein2003,thechangesweredramatic.Unit4I.BDACII.TFFTFUnit5I.A-3B-2C-1II.FTTT
6、FFFIII.1.Therearesevealdifferingtheoriesaboutwhathappenedtothedinosaurs.2.Itcausedenormouscloudsofdirtanddusttocoverthesky,blockingoutthesunandcausingthetemperatureonEarthtofallgreatly.3.Otherscientistshavesomewhatdifferentinterpretations.4.Hetheorizesthatthseschangescontributestoth
7、eglobalextinctinofplantandanimalspecies.5.Otherscientistsholdverydifferenttheoriesanditwillprobablybemanyyearsbeforethedebateisresolvedcompletely.Unit6I.BACDII.FTFFTIII.1.Hebecameparticularlyinterestedinwildanimals,suchassnakesandreptiles.2.Sincethen,Martinhascontinuedtodoimportantr
8、esearchinthefieldof
