冀教初中英语八下《Lesson 17 Save the Tigers》PPT课件 (2).pptVIP免费

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.Meanwhi...