人教版六年级英语下册 （Then and now）课件(第4课时)

Unit4Thenandnow第4课时六年级（下册）

WarmingupCouldyoutellusaboutyourchange?知识讲解Ireadabook.Itwasreallyinteresting.Couldyoutellmethestory?知识讲解Cavemenoftenaterawmeat.Theydidn'tcooktheirfood.Nowtherearemanythingstohelpyoucook.In2050,therewillbehouserobots.Theywillcook,cleanandwashthedishes.知识讲解

It'sOK.Theydidn'tdothedisheseither!Oh,cavemennotcooktheirmeat?知识讲解Thereweremanytrees,andthereweremanycleanrivers.Now,therearemoreandmorebuildings.Weshouldhelptheearthnow,sobirdswillhavehomesandtheforestswillbehealthyandgreenagain.知识讲解Don'tworry.Peoplewillhelpthem.Look!Howbeautifultheworldwas!Oh!Whatwillthebirdsdo?知识讲解Beforehumanslivedontheearth,whalesalreadylivedinthesea.Now,therearenotmanywhales.Ifwechangenow,whalesandhumanswillhaveabrightfuture.知识讲解

Makeitabetterplace!Healtheworld!知识讲解

Thereareseveraltypesofpollution.知识讲解1.AirPollutionCars,Buses,TrucksSmokingandFireAreyoupollutingyourself?Factories,GasAirplaneseffecta.BreathingDiseaseb.Globalwarming知识讲解2.WaterPollutiona.Contaminationofwaterb.Stomachachec.FishandplantsdieeffectTrashandfactorywasteOilspills知识讲解3.NoisePollutionHearingproblemsLoudmusic,machines,vehicleseffect知识讲解4.Land/SoilPollutionThrowing(home)trashCuttingdowntreeseffectEffectsontheenvironmentaswellashumanhealth.知识讲解

Let'schangeourselvesandprotectourearth.课堂小结Cavemenoftenaterawmeat.Theydidn'tcooktheirfood.穴居人经常吃生肉。他们不做饭。Weshouldhelptheearthnow,sobirdswillhavehomesandtheforestswillbehealthyandgreenagain.我们现在应该帮助地球，这样鸟类将有家，森林将再次健康和绿色。课堂小结Beforehumanslivedontheearth,whalesalreadylivedinthesea.在人类生活在地球上之前，鲸鱼已经生活在海里了。Ifwechangenow,whalesandhumanswillhaveabrightfuture.如果我们现在改变，鲸鱼和人类将有一个光明的未来。Seeyou~Unit4Thenandnow第5课时六年级（下册）

WarmingupLet'sreadMark'sdream.知识讲解MarkhadaracewithhisfatherandMax.Thereweremanypeoplethere.Hisfatherranveryfast,butMarkcouldnot.Therewasnothinghecoulddo.Hewassoworried.“Icouldrunfastatschool,”hethought,“WhyamIslownow?”

知识讲解ThenRobinsaid,“Drinkthis!”andgaveMarksomewater.Markdrankitandsuddenlyhefeltgood.Hecouldrunfastagain.知识讲解Therewasasecondrace.Thereweremanyanimalsinthatrace.Markranlikeacheetah.Hecouldwintherace!Butsuddenlyhetrippedandfell.Thenhewokeup.Hewasinbed.Itwasalladream!知识讲解Didyouhaveaninterestingdream?Tellusaboutyourdream!知识讲解I'dliketotalkaboutmystrangedream.知识讲解LastnightIstayedupreallylatetowatchaTVprogramaboutAfricananimalsonDiscoveryChannel.Aftertheprogram_________.Iwenttomyroomandfellasleep.Then,I____areallystrangedream.coulddidfinishedflyingforgothadringingstoppedwaswent知识讲解coulddidfinishedflyingforgothadringingstoppedwaswentIdreamedthatIwasstandingbyabusyroadwhenabus_________andthedooropened.WhenIgotonthebus,Isawthatthedriver________amonkeyandallthepassengerswereelephants,zebras,andgiraffes.Isatdownnexttoatall,yellowgiraffe,andhelookeddownatmeandsmiled.

知识讲解coulddidfinishedflyingforgothadringingstoppedwaswentAfterthat,IlookedoutawindowandIsawthatwewere_________highabovetheground,andI________seemyhousefarbelowme.“________youfinishyourhomework?”abig,friendly-lookingelephantaskedme.“Oh,no!”Isaid.“Myhomework!I________tofinishmyhomework!”That'swhenIsawthatthebuswasabig,yellow,schoolbusandwewereflyingtoschool.

知识讲解coulddidfinishedflyingforgothadringingstoppedwaswentFinally,Iheardasound...mycellphonewas_______!Ianswerit.ItwasmyEnglishteacher!“Wakeup,andfinishyourhomework,”myteachersaid.That'swhenIwokeup-myalarmclockwasringing.Itwasonly7a.m.,soIjumpedupandquicklyfinishedmyhomeworkbeforeI_______toschool.课堂小结Markranlikea