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1、倍速课时学练Lesson17 Save the tigers倍速课时学练century100yearsNowweareinthe21stcentury.倍速课时学练furThehaventgotmuchfuryet.puppies倍速课时学练doveTheisthesymbolofpeace.倍速课时学练braveIfyourereadytofacedangerorpain,youarebrave.倍速课时学练Thefiremenshowedgreatcourageinfirefighting.Theyarebrave.倍速课时学练chainfood chainThesharkisatthet
2、opoftheseafoodchain.倍速课时学练balanceIfthestonesarenotinbalance,theywillfall.倍速课时学练Youdidntgototheparty.Couldyoutellmethereason?倍速课时学练Therainbowisbeautiful.Nowwecantseeit.Itdisappeared.倍速课时学练Themaniscuttingatree.Becareful.Dontcutyourfingers.Wecancuttheclothwithscissors.倍速课时学练Benthinksheistoofat.Hehopest
3、odecreasehisweightbyeatingrightandexercising.倍速课时学练century fursymbol bravecourage chainbalance reasondisappear cutdecrease100years倍速课时学练Practice with the new wordscentury fur symbol brave courage chain balance reason disappear cut decrease1.Wepaperwithscissors.2.Idliketoknowthewhyyouloveyourpetdogso
4、much.3.Theplaneflewhigherandhighertillitinthesky.4.Thetigeristhesymbolof.5.Themanjumpedintothecoldriverandsavetheboy.6.Thenumberofthetigersinthewildquicklytheseyears.7.AlanTuringmadethefirstcomputerinthelast.8.The_onthebearisdarkbrown.9.Thelittlegirlwearsa_ofrosesonherhair.cutreasondisappearedbraved
5、ecreasescenturycouragefurchain倍速课时学练Listen and tick the correct answers.1.“Savethetigers”is.A.agroupofvolunteersB.acompanyC.azoo2.Tigersaresymbolsof.A.FriendshipandpeaceB.strengthandcourageC.dangerandbalance3.Thenumberoftigersinthewildis.A.notchangingB.increasingC.decreasingABC倍速课时学练Read the passage
6、 and answer the questions.1.Howdidthenumberoftigerschanging?2.Whatisthereasontigersareimportanttotheenvironment?3.Whydopeoplehuntandkilltigers?Atthebeginningofthe20thcentury,thenumberoftigersinthewildwasaround100000.Buttodaythatnumberhasdroppedtoafewthousand.Thetigerisatthetopofthefoodchain.Ithelpsk
7、eepthenumberofotherwildanimalsinbalance.Somepeoplehuntandkilltigersformoney.倍速课时学练 “Savethetigers”isagroupofvolunteers.Thesevolunteershopetosavethetigersoftheworld.Atthebeginningofthe20thcentury,thenumberoftigersinthewildwasaround100000.Buttodaythatnumberhasdroppedtoafewthousand.Tigersliveinthefores
8、tsofAsia.Theyusuallyhaveorangefuranddarkstripes.Tigersaresymbolsofstrengthandcourage.Inmanystories,theyarebrave.Thetigerisatthetopofthefoodchain.Ithelpskeepthenumberofotherwildanimalsinbalance.Forthisreason,tigersareimportanttotheenvironment.Inrecentyears,tigershavebeenindangerofdisappearing.Somepeo
9、plehuntandkilltigersformoney.Peoplehavecutdownalotoftreesaswell.Asforestsdisappear,tigerslosetheirhomes.Thenumberoftigersinthewildisquicklydecreasingandwemustdosomethingaboutit.倍速课时学练Texasredwolf倍速课时学练Practice with the new phrases20thcentury,Texasredwolveslivedinthelandcomfortably.Butlaterinordertod
10、evelopagricultural,alotofAmericanfarmersopenedupwasteland(荒地).Theylargeforest.theenvironmentwasdamagedinaveryshorttime.Thehabitat(栖息地)ofTexasredwolveswassmallerandsmaller.Theecology(生态)wasnot.Meanwhile,thedevelopmentofanimalhusbandry(畜牧业)makesTexasredwolfbecameanenemyoftheAmericanfarmers.Thefarmersh
11、avehuntedthemalot.Untilin1970,thelastTexasredwolfdiedinthebaynearTexas.Intheworld,manyspeciesareofdisappearinglikeTexasredwolves.Atthebeginningofinbalancecutdownindangeraswellaswellcutdownindangerinbalanceatthebeginningof倍速课时学练A.Tigersareindangerofgoingextinct.B.“SavetheTigers”isavolunteergroupthath
12、opestostopthetigersfromdisappearing.C.Tigersareimportanttotheenvironment.Read the lesson and match each paragraph with its main idea.Paragraph1SavetheTigersParagraph2Paragraph3ACB倍速课时学练Read the lesson again and find some sentences to support the main idea of each paragraph.SavetheTigersParagraph1Par
13、agraph2Paragraph3倍速课时学练“SavetheTigers”isavolunteergroupthathopestostopthetigersfromdisappearing.“Savethetigers”isagroupofvolunteers.Thesevolunteershopetosavethetigersoftheworld.Atthebeginningofthe20thcentury,thenumberoftigersinthewildwasaround100000.Buttodaythatnumberhasdroppedtoafewthousand.Paragra
14、ph1倍速课时学练Tigersareimportanttotheenvironment.TigersliveintheforestsofAsia.Theyusuallyhaveorangefuranddarkstripes.Tigersaresymbolsofstrengthandcourage.Inmanystories,theyarebrave.Thetigerisatthetopofthefoodchain.Ithelpskeepthenumberofotherwildanimalsinbalance.Forthisreason,tigersareimportanttotheenviro
15、nment.Paragraph2倍速课时学练Tigersareindangerofgoingextinct.Inrecentyears,tigershavebeenindangerofdisappearing.Somepeoplehuntandkilltigersformoney.Peoplehavecutdownalotoftreesaswell.Asforestsdisappear,tigerslosetheirhomes.Thenumberoftigersinthewildisquicklydecreasingandwemustdosomethingaboutit.Paragraph3倍
16、速课时学练PandasareindangerThepandaisoneoftheanimalsmostindanger.PandasliveintheforestsandmountainsofSouthwestChina.Theymainlyeatbamboo,andeachpandaneedstoeatalotofbambooeveryday.Theareaofbambooisbecomingsmallerformanydifferentreasons,sopandashavefewerandfewerplacestolive.Pandasdonthavemanybabies,andbaby
17、pandasoftendie.Thesituation(情况)isbecomingveryserious.Ourgovernment(政府)isworkinghardtosavepandas.Therearemorethan30naturereserves(保护区)toprotectpandasinChinabutthesearenotenough.Thegovernmentmadeanewplantohelppandas.Thenaturereserveswillbebiggerandthebamboowillgrowbetter.Thenpandaswillhaveenoughbamboo
18、toeatandenoughplacestolive.Pandasborninzoosmaygobacktoliveinthenaturereserves.Mostpeoplelovepandas.Thepandaisoneofthebest-knownanimalsintheworld.ItisthesymbolfortheWorldWideFundforNature(世界自然基金会).TheWWFworkstoprotectallanimalsindanger,sothepandabecamethesymbolofallanimalsindanger.Thereisstillalongwa
19、ytosavethepanda.Thinkofotheranimalsindangersuchastigers,whales(鲸鱼)andelephants.Weneedtosavethepanda,andweneedtosavethem,too.Read the passage and find the main idea of eachparagraph with the sentences that support the main idea.倍速课时学练Thepandaisoneoftheanimalsmostindanger.Pandasliveintheforestsandmoun
20、tainsofSouthwestChina.Theymainlyeatbamboo,andeachpandaneedstoeatalotofbambooeveryday.Theareaofbambooisbecomingsmallerformanydifferentreasons,sopandashavefewerandfewerplacestolive.Pandasdonthavemanybabies,andbabypandasoftendie.Thesituation(情况)isbecomingveryserious.Paragraph1倍速课时学练Ourgovernment(政府)isw
21、orkinghardtosavepandas.Therearemorethan30naturereserves(保护区)toprotectpandasinChinabutthesearenotenough.Thegovernmentmadeanewplantohelppandas.Thenaturereserveswillbebiggerandthebamboowillgrowbetter.Thenpandaswillhaveenoughbambootoeatandenoughplacestolive.Pandasborninzoosmaygobacktoliveinthenaturerese
22、rves.Paragraph2倍速课时学练Mostpeoplelovepandas.Thepandaisoneofthebest-knownanimalsintheworld.ItisthesymbolfortheWorldWideFundforNature(世界自然基金会).TheWWFworkstoprotectallanimalsindanger,sothepandabecamethesymbolofallanimalsindanger.Thereisstillalongwaytosavethepanda.Thinkofotheranimalsindangersuchastigers,w
23、hales(鲸鱼)andelephants.Weneedtosavethepanda,andweneedtosavethem,too.Paragraph3otheranimals,too.倍速课时学练the animals most in danger倍速课时学练Animalsareanimportantpartoftheenvironment.Theyprovideuswithfoodandmanyotherresources.Theycanbeourfriendsandourhelpers.Letstryourbesttoprotectthem!倍速课时学练Brainstorm diffe
24、rent ideas about how we can protect animals.You may consider the following questions:Howcanyouhelp?Wheredoyouhelp?Howcanpeoplejoinyou?倍速课时学练Thinkabouttheoutcomeofthediscussionsandwriteitdown.Youmaywriteabout:Writing timeWhatanimalsdoyouhelp?Howcanyouhelp?Wheredoyouhelp?Howcanpeoplejoinyou?倍速课时学练Show your composition倍速课时学练Createaposteraboutwayswecanprotectanimals.Homework