八年级英语下册第七单元第五课时电子备课

-1-编写时间执行时间主备人执教者总序第40个教案课题Unit7What’sthehighestmountainintheworld?SectionB2(3a—Selfcheck)共5课时第5课时课型新授教学目标1语言目标：掌握本单元重点词汇及能用比较级和最高级谈论各之最。2技能目标：能听懂和谈论有关地理和自然的话题。3情感目标：培养学生热爱大自然，保护环境的意识。重点难点DidyouknowthatChinaisoneoftheoldestcountriesintheworld?Yes,Idid.It’smucholderthantheUS.教学策略教学活动课前、课中反思Step1SummaryImportantphrases:feelfree,asfarasIknow,inthefaceof,eventhough,atbirth,upto,runover,walkinto,fallover,orsoKeysentences:What’sthehighestmountainintheworld?Qomolangma.HowlongisQomolangma?It’s8,844.43metershigh.It’shigherthananyothermountain.Whichisthedeepestsaltlakeintheworld?TheCaspianSeaisthedeepestofallthesaltlake.DidyouknowthatChinaisoneoftheoldestcountriesintheworld?-2-Yes,Idid.It’smucholderthantheUS.Importantstructures:1.…cmtaller/shorter2.much/even/alittle/less+比较级3.…timesmorethan….4.Talkabouthowtoprotectpandas.Step2Leadin对于鲸鱼你知道多少？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。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。Step3Writing3aReadthefollowingwordsandphrasesaboutwhales.Puttheminthecorrectplaceinthechart.1.Humanscatchwhalesformeat,fatandoil2.Eatsmallfishandothersealife3.Jumphighoutofthewater4.Rulesonwhaleprotection5.Huge6.Waterpollution7.Liveinthesea8.Somekindshaveteeth-3-9.Learnmoreaboutwhales10.Stopputtingrubbishintothesea11.Singsongs12.WhalepartssoldtomakethingslikescandlesandsoapWhatdotheylooklike？58Wheredotheylive?7Whatdotheyeat?2Whatcantheydo?311Whydosomeofthemhavetobeprotected?1612Howcanweprotectthem?49103bWriteaparagraphaboutwhalesandwhytheyneedtobeprotected.Usetheinformationin3a.Thenmakeaposter.Whalesare…Theylivein…Theyeat…Theycan…Oneinterestingfactis…Anotherinterestingfactis…Somekindsofwhalesareindangerbecause…Weshouldprotectwhalesfrom…Ithinkpeopleshould/shouldn’t…Step4Self-checkReadthesewordsthenfindtherules.clever--cleverer--cleverestnice--nicer--nicesteasy--easier--easiestfat--fatter--fattest-4-thin--thinner--thinnestbeautiful--morebeautiful--themostbeautifulcareful--morecareful--themostcarefulgood/well--better--bestbad--worse--worstmany/much--more--most1.Completethechart.AdjectivesComparativesSuperlativeshighhigherhighestdangerousmoredangerousthemostdangerouslonglongerlongestpopularmorepopularthemostpopular2.Matchverbsandobjects.Thenaddonemoreobjecttoeachlist.VerbsObjects1.reacha.mylife,mymoney,…myhealth2.achieveb.thetopofamountain,thelibrary,…thefarmhouse3.riskc.mydream,success,…theendsAnswers:1-b,2-c,3-a3.Circlethecorrectwordand/orfillintheblankwiththecorrectformofthewordinbracketsforeachsentence.1.Anelephantweighs(few/many)timesmorethanadog.-5-2.Anadultpandacaneat(much/alittle)morethanacat.3.Canadaisa(little/lot)less______________(crowded)thanChina.4.Atigeris(much/alittle)_________(strong)thanaman.Answers:1.many2.much3.lotmorecrowed4.muchstrongerStep5Dosomeexercise.一、根据句意，用适当的词填空。1.Thebiggest______intheworldistheSahara.2.Theriveristoo______toswimin.3.Chinaisoneof__________civilizations(文明)intheworld.4.The______ofthefastestanimalis120kilometersperhour.5.－What______doyouneedforyourcoat?－Iwantalargeone.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__________inModule(hard)5.ThisTVplayis_____thanthatone.(good)6.Mymotherisvery______.Sheis_______inmyfamily.(busy)7.Linglinggetstoschool______thantheothers.(early)8.ShespeaksEnglish_____inourclass.(well)9.Lucyjumpedquite_____.(far)10.IthinkEnglishisas_________asChinese.(important)11.Thispictureis_______________ofthefour.(beautiful)-6-12.Lucydid_____thanLily.(bad)三、单项选择。1.Mybrotheris_____moreoutgoingthanme.A.manyB.littleC.much2.October12thwasoneof______daysin2005.Shenzhou-VIwaslaunched（发射）successfully.A.excitingB.moreexcitingC.themostexciting3.Whichcityis_____,Beijing,ShanghaiorFuzhou?A.beautifulB.themostbeautifulC.morebeautiful4._____childrenthereareinafamily,_____theirlifewillbe.A.Theless,thebetterB.Fewer,richerC.Thefewer,thebetter5.Mobilephonesareverypopularnowandtheyare______thanbefore.A.cheapB.cheaperC.thecheapest6.Inourcity,it’s_____inJuly,butit’seven___inAugust.A.hotter,hottestB.hot,hotC.hot,hotter7.Jack’shandwritingisas____asMike’s.A.goodB.betterC.best8.Wecandotheworkbetterwith____moneyand______people.A.little,fewB.less,fewerC.fewer,less9.JimisthetalleststudentinourclassandTomisthesecond______one.A.tallB.tallerC.tallestAnswers:CCBABCABCStep6Homework1.Writeaparagraphabouthowtoprotectendangeredanimals,usetheuseful-7-sentencesin3b.2.Rememberthewords,phrasesandsentencesinthisunit.课后反思