37課studygeographylearnaboutrivers,mountainsandoceansWhatisthepopulationoftheworld?It’s+基數詞…,it’slarge/small.Travelingisagoodwaytolearngeography.be/goabroadHaveyoueverbeenabroad?havebeento（去過某地）havegoneto(已去某地)havebeenin已在某地）inAsiatalkto/withlittle(否定)+不可數名詞speakalittleChinesefew(否定)+復數名詞afewdaysalittle(肯定)+不可數名詞afew(肯定)+復數名詞can’twaittodosthcan’twaitforsth38課Howmanycontinentsandoceansdoestheworldhave?pointoutpointto(遠處)pointat（近處）averyspecialplanetfaceabigproblemintheyear2010theworld’spopulationintotalhaveatotalof900studentsby2025onethirdofourplanetislandThesedryplacesarecalleddeserts.It’snoteasytoliveinthoseplaces.sevencontinents:Asia,Africa,Australia,Antarctica,Europe,NorthAmerica,SouthAmericafouroceans:thePacificOcean(largest),theIndianOcean,theAtlantictheArcticOceanbecoveredwithallyearroundrichlandsOceanscovertwothirdsoftheearth’ssurfacemustbetreatedwell分數+不可數名詞+單三謂語分數+復數名詞+復數謂語39課ringsbup=callsbchatonlinewithsbchat(現在分詞)chattingask(sbnot)todosthasktowriteareportonAasksbsthaskmyChinesefriendsomequestionsgoupmeantodosth打算做某事thewayofdoingsth=thewaytodosthonthephone=byphonequiteafewdifferencesbetween…and…相當多的indifferentwaysusedifferentwordsinsteadofsomedifferencesinpronunciation(n)andingrammarpronounce(v)attheendofinpublicLet’s+V(原)…How/Whatabout+doingsth?Shallwe+V(原)…?Whydon’tyou+V(原)…?表示建議的句子Whynot+V(原)…?You’dbetter(not)+V(原)?Would/Couldyouplease+V(原)…?40課bodylanguagecommunicatewithoutspwakingshakehands(with)sbgreeteachotherkisssbonbothcheeksinIndia(n)Indian(adj)nod/shakeone’sheadnodding(現在分詞)pointtosthwithfingerpointwiththeirlipsIt’srudetopointwithafingerwavegoodbye揮手告別allaround/overtheworldleaveforsp動身去某地41課PreparepresentationsBeknown/famousforBebornin/onManytouristsOnaboattourSurprisesbHavealonghistoryandrichcultureIthadthelargestpopulationintheworld.InrecentyearsBeproudof=takeprideinBebusydoingsth42課aroundtheworldtothesouthofCanadatheGreatLakestheRockeyinareaandpopulationspeakEnglish/Chinese/Spanishthethirdmostcommonlanguageadj/adv(比較級)thananyother+單名詞=theother+復名詞alotofChinesespeakersMexico(n)Mexican(adj)thecapitalcityofMexicothreemajorcountries43課WorldEnvironmentDaydraw/catchone’sattention=catchone’seyeallofthisrubbishinAmericanEnglishpickupthegarbagethreeofusatypeofpollutionaskourclassmatestohelpusgoodpointcleanupabitoftheschoolyardfinishdoingsthfinishcleaninginanhourexplainsthtosbexplaintheplantotheclassagreetodosthagreetohelpweargloveswearsthdresshimselfdresssbapieceofpaperremindsbtodosthremindpeopletoprotecttheenvironment44課seesbdosthseesbdoingsthjoinenvironmentclubstakepartinreducepollution/packagingmakealistoftheiractivitiesandadviceno-garbagelunchesafterlunchencouragesbtodosthinreusablebagsanddishesgetaprizeonano-cardaygotospinacar=bycarpolluteourairbringownshoppingbagssavewater/electricity20-40litresofwaterfillalargeswimmingpoolfixleakytoiletsandsinksturnoffthelights/televisionshutdownthecomputershutup閉嘴makeourenvironmentclean45課what…dowith…?=how…dealwith…?empty…onto…twobagsofgarbagealotofgarbagesort…into…bereusedorrecycledthrowtoomuchgarbageawaythrowtoomanycarsawaywastesth+doingsththeleastamountofglassIt’sawastetousepaperonlyononesideusebothsidesofthepapertakesthtospfindatoycarfixthebrokenwheelfinishdoingsthfinishfixingthecargiveittomylittlecousinIt’snotrighttowastethings.makeintonewthingsbemadeintonewthingsIt’sdangeroustoleavebrokenglassontheground.onapieceofbbrokenglassfindinformationgoforawalkmakeapileof…takeoutthegarbage46課takecareof=lookaftertrytosavewaterinmanywaystakeshortshowersmakesureturnoffthetapworryabout=beworriedaboutpopcansbeerbottleswastepaperagainandagainmakethemostpollutionIridemybikestoschool.=Igotoschoolonmybike/bybike.takebusesinfactmakeasmallchangemakeabigdifferencetosthIt’stoohardtoprotecttheenvironment.Too…to+V原begoodfor/at/toopenthewindowturnontheairconditioningbrushone’steeth47課thenaturalworldbefilledwith=befullofsmall/alllivingthingsstartout/offweakandsmall→strongandbiggetfoodfromthesoilget…from…insomewaysonthesameplanetdependongetsick/ill=besick/illliveoffeatthesickordeadfishdieoffdiefrom(外因，意外或車禍)dieof(內因，饑餓、疾病或勞累)between(兩者間)among(三者或三者以上)respecttheearthatleastinthenext100years48課inaschoolyardclean-upseesbdoingsthseesbdosthlater+時間“……晚些時候”時間+later“……后”findausedtoycarwithonebrokenwheelputon(gloves)divide…into…everythingelsem