初中英语人教版八年级下册unit7 SectionB 2a-2e.ppt

Unit7,Unit7Whatsthehighestmountainintheworld?,SectionB23a-Selfcheck,Summary,Importantphrases:,feelfreeasfarasIknowinthefaceofeventhoughatbirthuptorunoverwalkintofalloverorso,随意就我所知面对（问题、困难）即使；虽然出生时到达跑上前去；跑过去走路时撞着绊倒大约,Importantsentences:,Whatsthehighestmountainsintheworld?Qomolangma.HowlongisQomolangma?Its8,844.43metershigh.Itshigherthananyothermountain.Whichisthedeepestsaltlakeintheworld?TheCaspianSeaisthedeepestofallthesaltlake.DidyouknowthatChinaisoneoftheoldestcountriesintheworld?Yes,Idid.ItsmucholderthantheUS.,1.cmtaller/shorter2.much/even/alittle/less+比较级timesmorethan.Talkabouthowtoprotectpandas.,Importantstructures:,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。,Readthefollowingwordsandphrasesaboutwhales.Puttheminthecorrectplaceinthechart.,1.Humanscatchwhalesformeat,fatandoil2.Eatsmallfishandothersealife3.Jumphighoutofthewater4.Rulesonwhaleprotection5.Huge6.Waterpollution,3a,7.Liveinthesea8.Somekindshaveteeth9.Learnmoreaboutwhales10.Stopputtingrubbishintothesea11.Singsongs12.Whalepartssoldtomakethingslikescandlesandsoap,58,7,2,311,1612,4910,Writeaparagraphaboutwhalesandwhytheyneedtobeprotected.Usetheinformationin3a.Thenmakeaposter.,3b,WhalesareTheyliveinTheyeatTheycanOneinterestingfactisAnotherinterestingfactisSomekindsofwhalesareindangerbecauseWeshouldprotectwhalesfromIthinkpeopleshould/shouldnt,clever-cleverer-cleverestnice-nicer-nicesteasy-easier-easiestfat-fatter-fattestthin-thinner-thinnestbeautiful-morebeautiful-themostbeautifulcareful-morecareful-themostcarefulgood/well-better-bestbad-worse-worstmany/much-more-most,仔细观察，试着总结规律！,火眼精金,Selfcheck,1.Completethechart.,higher,highest,moredangerous,themostdangerous,longer,longest,morepopular,themostpopular,2.Matchverbsandobjects.Thenaddonemoreobjecttoeachlist.,myhealth,theends,thefarmhouse,3.Circlethecorrectwordand/orfillintheblankwiththecorrectformofthewordinbracketsforeachsentence.,1.Anelephantweighs(few/many)timesmorethanadog.2.Anadultpandacaneat(much/alittle)morethanacat.3.Canadaisa(little/lot)less_(crowded)thanChina.4.Atigeris(much/alittle)_(strong)thanaman.,morecrowded,stronger,1.Thebiggest_intheworldistheSahara.2.Theriveristoo_toswimin.3.Chinaisoneof_civilizations(文明)intheworld.4.The_ofthefastestanimalis120kilometersperhour.5.What_doyouneedforyourcoat?Iwantalargeone.,Exercises,desert,dirty,theoldest,一、根据句意，用适当的词填空。,speed,size,二、用括号内单词的适当形式填空。1.Jimisvery_.LiLeiis_thanJim.(hungry)2.Katesmooncakesare_ofall.(nice)3.Yourboxis_thanmine.Buthisis_ofthethree.(heavy)4.Unit2isquite_.Unit3is_thanUnit2.Its_inModule1.(hard)5.ThisTVplayis_thanthatone.(good),hungry,hungrier,nicer,heavier,heaviest,hard,harder,thehardest,better,6.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),busy,busiest,earlier,best,far,important,themostbeautiful,worse,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.morebeautiful,C,C,B,4._childrenthereareinafamily,_theirlifewillbe.A.Theless,thebetterB.Fewer,richerC.Thefewer,thebetter5.Mobilephonesareverypopularnowandtheyare_thanbefore.A.cheapB.cheaperC.thecheapest6.Inourcity,its_inJuly,butitseven_inAugust.A.hotter,hottestB.hot,hotC.hot,hotter,A,B,C,7.Jackshandwritingisas_asMikes.goodB.betterC.best8.Wecandotheworkbetterwith_moneyand_people.A.little,fewB.less,fewerC.fewer,less9.Jimisthetall