Unit7+Section+B+3a-self+check++课件【知识点睛+备课精研】 人教版八年级英语下册

What'sthehighestmountainintheworld?Period6SectionB(3a-self-check)Theyarehugeanimals.Theyliveinthesea.Theycansingsongs.Theycanjumphighoutofwater.Theyareverycleverandalsoveryfriendly.Whatarethey?Leadin

鲸的体型是世界上存在的动物中最大的，鲸是终生生活在水中的哺乳动物，对水的依赖程度很大，以致它们一旦离开了水便无法生活，鲸形状像鱼，鼻孔在头的上部，用肺呼吸。体长可达三十米，是现在世界上最大的动物。对于鲸鱼你知道多少？

鲸为适应水中生活，减少阻力，它们的后肢消失，前肢变成划水的浆板。身体成为流线型，酷似鱼。因而它们的潜水能力很强，小型齿鲸可潜至100-300米的水深处，停留4-5分钟，长须鲸可在水下300-500米处待上1小时，最大的齿鲸--抹香鲸能潜至千米以下，并在水中持续2小时之久。Togivestudentspracticeinusingthetargetlanguageinwriting.Toreviewthekeyvocabularyandfunctionspresentedinthisunit.ObjectivesSelf-learning1.Readthesentencesin3aonPage55andfinshtheexercise.2.Haveacheck.Readthefollowingwordsandphrasesaboutwhales.Puttheminthecorrectplaceinthechart.1.Humanscatchwhalesformeat,fatandoil2.Eatsmallfishandothersealife3.Jumphighoutofthewater4.Rulesonwhaleprotection5.Huge6.Waterpollution3a7.Liveinthesea8.Somekindshaveteeth9.Learnmoreaboutwhales10.Stopputtingrubbishintothesea11.Singsongs12.WhalepartssoldtomakethingslikescandlesandsoapWhatdotheylooklike？Wheredotheylive?Whatdotheyeat?Whatcantheydo?Whydosomeofthemhavetobeprotected?Howcanweprotectedthem?587231116124910

What(eat)EatsmallfishandothersealifeJumphighoutofthewaterWhat(do)SingsongsWhere(live)LiveintheseaExplorationWhat(looklike)Why(protect)HugeSomekindshaveteethPleaselookatthepicturesbelow:What(looklike)Why(protect)HugeSomekindshaveteethWaterpollutionEndangeredHumanscatchwhalesformeat,fatandoilWhalepartssoldtomakethingslikecandlesandsoapThewhalesareindangernow.Whatshouldwedotoprotectthem?Let’shelptheanimals!Discussingroupsoffourandtrytofindoutwaystoprotectanimals!1.Don’tmakethewaterdirty.2.Makesomeposterstoprotectanimals.

…Whalesare...Theylivein...Theyeat...Theycan...Oneinterestingfactis...Anotherinterestingfactis...Somekindsofwhalesareindangerbecause...Weshouldprotectwhalesfrom...Ithinkpeopleshould/shouldn’t...3bWriteaparagraphaboutwhalesandwhytheyneedtobeprotected.Usetheinformationin3a.Thenmakeaposter.Whalesarehugeanimals.Theyliveintheseaandeatsmallfishandothersealife.Oneinterestingfactisthatwhalescanjumphighoutofthewater.Somekindsofwhalesareindangerbecausehumanscatchthemformeat,fat,andoil,andusewhalepartstomakecandlesandsoap.Whalesarealsoindangerfromwaterpollution.Weshouldprotectwhalesbymakingrulesonwhaleprotectionandbynotputtingrubbishintothesea.Ithinkpeopleshouldlearnmoreaboutwhales.1Completethechart.AdjectivesComparativesSuperlativeshighdangerouslongpopularhigherhighestmoredangerousmostdangerouslongerlongestmorepopularmostpopularSelfCheck2Matchverbsandobjects.Thenaddonemoreobjecttoeachlist.VerbsObjects1.reacha.mylife,mymoney,…2.achieveb.thetopofamountain,thelibrary,…3.riskc.mydream,success,…ReachthetopofamountainReachthelibraryReachtheagreement（达成协议）AchievemydreamAchievesuccessAchieveourgoalsRiskmylifeRiskmanagement(风险管理)Riskdefeat(冒着失败的风险)3Circlethecorrectwordand/orfillintheblankwiththecorrectformofthewordinbracketsforeachsentence.1.Anelephantweighs(few/many)timesmorethanadog.2.Anadultpandacaneat(much/alittle)morethanacat.3.Canadaisa(little/lot)less__________(crowded)thanChina.4.Atigeris(much/alittle)_________(strong)thanaman.crowdedstronger1.Thebiggest______intheworldistheSahara.2.Theriveristoo______toswimin.3.Chinaisoneof__________civilizations(文明)intheworld.4.The______ofthefastestanimalis120kilometersperhour.5.－What______doyouneedforyourcoat?

－Iwantalargeone.desertdirtytheoldest一、根据句意，用适当的词填空。speedsizeExercise二、用括号内单词的适当形式填空。1.Jimisvery______.LiLeiis_________thanJim.(hungry)2.Kate’smooncakesare_________ofall.(nice)3.Yourboxis______thanmine.Buthisis___________ofthethree.(heavy)4.Unit2isquite_____.Unit3is______thanUnit2.It’s__________inModule1.(hard)5.ThisTVplayis_____thanthatone.(good)hungryhungrierthenicestheaviertheheaviesthardharderthehardestbetter6.Mymotherisvery______.Sheis_________inmyfamily.(busy)7.Linglinggetstoschool______thantheothers.(early)8.ShespeaksEnglish_____inourclass.(well)9.Lucyjumpedquite_____.(far)10.IthinkEnglishisas_________asChinese.(important)11.Thispictureis_______________ofthefour.(beautiful)12.Lucydid_____thanLily.(bad)busythebusiestearlierbestfarimportantthemostbeautifulworse三、单项选择。1.Mybrotheris_____moreoutgoingthanme.A.manyB.littleC.much2.October12thwasoneof______daysin2005.Shenzhou-VIwaslaunched（发射）successfully.A.exciting B.moreexcitingC.themostexciting3.Whichcityis_____,Beijing,ShanghaiorFuzhou?A.beautiful B.themostbeautifulC.morebeautifulCCB4._____childrenthereareinafamily,_____theirlifewillbe.A.Theless,thebetterB.Fewer,richerC.Thefewer,thebetter5.Mobilephonesareverypopularnowand