Lesson+17 冀教版八年级英语下册

Unit3Lesson17AnimalsAreOurFriendsSavetheTigerssavethetiger拯救，救援savemoney省钱，存钱savewater节水ToknowtheurgencyofprotectingtigersTousethefollowingwordsandexpressionscorrectly:century,courage,brave,reason,kill,cut,atthebeginningof…,dropto,foodchain,inbalance,indanger,cutdown,aswellcenturyfursymbolcouragebravechainn.世纪n.（兽类的）毛n.标志，象征n.勇气，胆量adj.勇敢的，无畏的n.链子；链条WordsandExpressionsbalancereasondisappearkillcutdecreasen.平衡，平稳n.原因，动机，理由v.消失，失踪v.杀死v.砍，切，剪，割v.使……变小；减少WordsandExpressionscentury100yearsNowweareinthe21stcentury.furThehaven'tgotmuchfuryet.puppiesdoveTheisthesymbolofpeace.braveIfyou’rereadytofacedangerorpain,youarebrave.Thefiremenshowedgreatcourageinfirefighting.Theyarebrave.chainfoodchainThesharkisatthetopoftheseafoodchain.balanceIfthestonesarenotinbalance,theywillfall.Youdidn’tgototheparty.Couldyoutellmethereason?Therainbowisbeautiful.Nowwecan’tseeit.Itdisappeared.Themaniscuttingatree.Becareful.Don’tcutyourfingers.Wecancuttheclothwithscissors.Benthinksheistoofat.Hehopestodecreasehisweightbyeatingrightandexercising.Task1Readthelessonandmatcheachparagraphwithitsmainidea.BCAthenumberoftigerskeep...inbalancemoney,trees...“SavetheTigers”isavolunteergroupthathopestostopthetigersfromdisappearing.

“Savethetigers”isagroupofvolunteers.Thesevolunteershopetosavethetigersoftheworld.Atthebeginningofthe20thcentury,thenumberoftigersinthewildwasaround100000.Buttodaythatnumberhasdroppedtoafewthousand.Paragraph11.Howmanytigerswerethereatthebeginningofthe20thcentury?

Around100000.2.Howmanytigersarethereinthewildtoday?

Thenumberhasdroppedtoafewthousand.Task2Tigersareimportanttotheenvironment.TigersliveintheforestsofAsia.Theyusuallyhaveorangefuranddarkstripes.Tigersaresymbolsofstrengthandcourage.Inmanystories,theyarebrave.Thetigerisatthetopofthefoodchain.Ithelpskeepthenumberofotherwildanimalsinbalance.Forthisreason,tigersareimportanttotheenvironment.Paragraph23.Wheredotigerslive?

TheyliveintheforestsofAsia.4.Whatdotigerslooklike?Theyusuallyhaveorangefuranddarkstripes.5.Whatdotigerssymbolize?Theyaresymbolsofstrengthandcourage.6.Howaretigersdescribedinmanystories?Theyarebrave.8.Whatisthereasontigersareimportanttotheenvironment?Becausetigershelpkeepthenumberofotherwildanimalsinbalance.

Tigersareindangerofgoingextinct.

Inrecentyears,tigershavebeenindangerofdisappearing.Somepeoplehuntandkilltigersformoney.Peoplehavecutdownalotoftreesaswell.Asforestsdisappear,tigerslosetheirhomes.Thenumberoftigersinthewildisquicklydecreasingandwemustdosomethingaboutit.Paragraph39.Whydopeoplehuntandkilltigers?Theyareformoney.10.Asidefromtheirbeinghuntedandkilled,whatisanotherreasontigersaredisappearing?Peoplehavecutdownalotoftreesaswell.Asforestsdisappear,tigerslosetheirhomes.1.一组，一队2.在……之初3....的数量4.在野外，野生的5.大约1000006.下降到；跌至7.几千8.黑色条纹9.力量和勇气的象征10.在...的顶部11.食物链12.保持平衡13.由于这个原因14.处于……危险中15.把……砍倒16.还，也1.agroupof...2.atthebeginningof…3.thenumberof...4.inthewild5.around1000006.dropto7.afewthousand8.blackstripes9.thesymbolofstrengthandcourage10.atthetopof...11.foodchain12.inbalance13.forthisreason14.indangerof15.cutdown16.aswellattheendofinthebottomof1.Atthebeginningofthe20thcentury,thenumberoftigersinthewildwasaround100000.

thenumberof“……的数量”谓语动词要用单数形式：Thenumberofthestudentsisover2000inourschool.anumberof“许多、大量的”，谓语动词用复数。Anumberofstudentsareplantingtreesonthehill.LanguagepointsLanguagepoints2.Asforestsdisappear,tigerslosetheirhomes.as在句中作连词，引导状语从句，意为“随着，当……的时候”。Asthesunrose,thefogdisappeared.Asshelefttheroom,sherememberedthatbook.Atthebeginningofthe20thcentury,______________tigersinthewildwasaround100000.Buttodaythatnumber____________afewthousand.Tigersareimportant__theenvironment.Theyhelpkeepthenumberofotherwildanimals_________.Butinrecentyears,tigershavebeenindangerof___________.Somepeople____________tigers____money.Wemustdosomethingaboutit.Fillintheblanksandtrytoretellthetext.Task3thenumberofhasdroppedtoinbalancedisappearinghuntandkilltoforFillintheblanks.1._____________studentsisabouttwenty.(……的数量)2.It’s____________yourhealth.(对……是重要的)3.Theriverispollutedand___________goingdry.(处于……危险之中)Thenumberofimportanttoindangerof4.____timewentby,shebecamemoreandmorebeautiful.(随着)5._________________theparty,hegavemeagift.(在……之初)6.Thetemperaturehas__________belowzero.(下降到)7.Itisatthebottomofthe_________.

(食物链)8.Youknow,computersbringtroubles_______.(也)AsAtthebeginningofdroppedtofood

chainaswell1.Wemuststop______treestoprotecttheenvironment.A.cuttingupB.cuttinginC.cuttingdownD.cuttinginto2.It'ssobrave_______thesoldiertosavetheboy'slife.A.toB.ofC.fo