Lesson17_精品课件

初中英语冀教版八年级下Unit3AnimalsAreOurFriendsLesson17:SavetheTigersPresentation2LanguagePoints3Exercise4PresentationLearnsomenewwordsfurTheyhaven'tgotmuchfuryet.doveTheisthesymbolofpeace.Ifyou’rereadytofacedangerorpain,youarebrave.Thefiremenshowedgreatcourageinfirefighting.Theyarebrave.Thesharkisatthetopoftheseafoodchain.Ifthestonesarenotinbalance,theywillfall.Themaniscuttingatree.Becareful.Don’tcutyourfingers.Wecancuttheclothwithscissors.centuryfursymbolbravecouragechainbalancereasondisappearcutdecrease100yearsThinkAboutItWherecanyouusuallyseeatiger?Doyouthinktigersneedourhelp?Whyorwhynot?Practicewiththenewwordscenturyfursymbolbravecouragechainbalancereasondisappearcutdecrease1.Wepaperwithscissors.2.I’dliketoknowthewhyyouloveyourpetdogsomuch.3.Theplaneflewhigherandhighertillitinthesky.4.Thetigeristhesymbolof.5.Themanjumpedintothecoldriverandsavetheboy.6.Thenumberofthetigersinthewildquicklytheseyears.7.AlanTuringmadethefirstcomputerinthelast.8.The___onthebearisdarkbrown.9.Thelittlegirlwearsa_____ofrosesonherhair.cutreasondisappearedbravedecreasescenturycouragefurchainListenandtickthecorrectanswers.1.“Savethetigers”is.A.agroupofvolunteersB.acompanyC.azoo2.Tigersaresymbolsof.A.FriendshipandpeaceB.strengthandcourageC.dangerandbalance3.Thenumberoftigersinthewildis.A.notchangingB.increasingC.decreasingABCReadthepassageandanswerthequestions.1.Howdidthenumberoftigerschanging?2.Whatisthereasontigersareimportanttotheenvironment?3.Whydopeoplehuntandkilltigers?Atthebeginningofthe20thcentury,thenumberoftigersinthewildwasaround100000.Buttodaythatnumberhasdroppedtoafewthousand.Thetigerisatthetopofthefoodchain.Ithelpskeepthenumberofotherwildanimalsinbalance.Somepeoplehuntandkilltigersformoney.Practicewiththenewphrases20thcentury,Texasredwolveslivedinthelandcomfortably.Butlaterinordertodevelopagricultural,alotofAmericanfarmersopenedupwasteland(荒地).Theylargeforest.theenvironmentwasdamagedinaveryshorttime.Thehabitat(栖息地)ofTexasredwolveswassmallerandsmaller.Theecology(生态)wasnot.Meanwhile,thedevelopmentofanimalhusbandry(畜牧业)makesTexasredwolfbecameanenemyoftheAmericanfarmers.Thefarmershavehuntedthemalot.Untilin1970,thelastTexasredwolfdiedinthebaynearTexas.Intheworld,manyspeciesareofdisappearinglikeTexasredwolves.AtthebeginningofinbalancecutdownindangeraswellaswellcutdownindangerinbalanceatthebeginningofA.Tigersareindangerofgoingextinct.B.“SavetheTigers”isavolunteergroupthathopestostopthetigersfromdisappearing.C.Tigersareimportanttotheenvironment.Readthelessonandmatcheachparagraphwithitsmainidea.Paragraph1SavetheTigersParagraph2Paragraph3ACBReadthelessonagainandfindsomesentencestosupportthemainideaofeachparagraph.SavetheTigersParagraph1Paragraph2Paragraph3“SavetheTigers”isavolunteergroupthathopestostopthetigersfromdisappearing.“Savethetigers”isagroupofvolunteers.Thesevolunteershopetosavethetigersoftheworld.Atthebeginningofthe20thcentury,thenumberoftigersinthewildwasaround100000.Buttodaythatnumberhasdroppedtoafewthousand.Paragraph1Tigersareimportanttotheenvironment.TigersliveintheforestsofAsia.Theyusuallyhaveorangefuranddarkstripes.Tigersaresymbolsofstrengthandcourage.Inmanystories,theyarebrave.Thetigerisatthetopofthefoodchain.Ithelpskeepthenumberofotherwildanimalsinbalance.Forthisreason,tigersareimportanttotheenvironment.Paragraph2Tigersareindangerofgoingextinct.Inrecentyears,tigershavebeenindangerofdisappearing.Somepeoplehuntandkilltigersformoney.Peoplehavecutdownalotoftreesaswell.Asforestsdisappear,tigerslosetheirhomes.Thenumberoftigersinthewildisquicklydecreasingandwemustdosomethingaboutit.Paragraph3Readthepassageandfindthemainideaofeachparagraphwiththesentencesthatsupportthemainidea.Thepandaisoneoftheanimalsmostindanger.PandasliveintheforestsandmountainsofSouthwestChina.Theymainlyeatbamboo,andeachpandaneedstoeatalotofbambooeveryday.Theareaofbambooisbecomingsmallerformanydifferentreasons,sopandashavefewerandfewerplacestolive.Pandasdon’thavemanybabies,andbabypandasoftendie.Thesituation(情况)isbecomingveryserious.Paragraph1Ourgovernment(政府)isworkinghardtosavepandas.Therearemorethan30naturereserves(保护区)toprotectpandasinChinabutthesearenotenough.Thegovernmentmadeanewplantohelppandas.Thenaturereserveswillbebiggerandthebamboowillgrowbetter.Thenpandaswillhaveenoughbambootoeatandenoughplacestolive.Pandasborninzoosmaygobacktoliveinthenaturereserves.Paragraph2Mostpeoplelovepandas.Thepandaisoneofthebest-knownanimalsintheworld.ItisthesymbolfortheWorldWideFundforNature(世界自然基金会).TheWWFworkstoprotectallanimalsindanger,sothepandabecamethesymbolofallanimalsindanger.Thereisstillalongwaytosavethepanda.Thinkofotheranimalsindangersuchastigers,whales(鲸鱼)andelephants.Weneedtosavethepanda,andweneedtosavethem,too.Paragraph3otheranimals,too.Thinkabouttheoutcomeofthediscussionsandwriteitdown.Youmaywriteabout:Whatanimalsdoyouhelp?Howcanyouhelp?Wheredoyouhelp?Howcanpeoplejoinyou?Showyourcomposition1.Atthebeginningofthe20thcentury,thenumberoftigersinthewildwasaround100000.在二十世纪初期，野生老虎的数量大约是十万。thenumberof是固定短语，意为“……的数量”，后接可数名词复数，谓语动词要用单数。如：Thenumberofstudentsinours