2014八年级下册英语unit7全单元

Unit7Whatsthehighestmountainintheworld?,SectionA11a2d,Presentation,squaren.平方,metern.米,deepadj.深的,desertn.沙漠,populationn.人口,Asian.亚洲,tourv.n.旅行,touristn.旅行者,walln.墙,amazingadj.令人大为惊奇的,ancientadj.古代的,wideadj.宽的；宽阔和,Doyouknowtheseinterestplaces?,Qomolangma,QomolangmarunsalongtheborderbetweenChinaandNepal.Itiscoveredwithsnowalltheyearround.Its8844.43high,thehighestintheworld.Its26kilometerslong.,TheNileisthelongestriverintheworld.Itsmorethan6600kilometerslong.Itrunsthrough9countries,itsoneofthelargestriverflowsthroughtheinternationalstatesintheworldandrunsintotheMediterraneanSea(地中海)intheend.,TheNile,TheCaspianSea,TheCaspianSeaisthebiggestlakeintheworld.ItliesintheborderbetweenAsiaandEurope.,TheSaharaisthebiggestdesertintheworld.ItislocatedinthenorthernAfrica,climateconditionsareverybad,isoneoftheearthsmostnotsuitableforbiologicalsurvival.,TheSahara,TheYangtzeRiveristhethirdlongestriverintheworld,thefirstAsianrivers.Its6211.31kilometerslong.TheYangtzeRiverBasin,east-westwidthof3219kilometers,about966kilometerswidenorth-south,passingthrough11provinces.ItrunsintotheEastSeainShanghaifinally.,TheYangtzeRiver,Whichisthehighestmountainintheworld?WhichisthelongestriverinAsia?.,Talkaboutthesepicturesinpairs.,1aMatchthefactsyouknow.,Practiceinpairslikethis:A:Whichistheinthe?B:,Practice,8,844metershigh.8,844米高metershigh(long,wide)米高（长，宽)。英语表示“有多长（宽，高）”时，一般将数词和数量单位放在表示长宽高的形容词前作状语。e.g.Thewallis1.7metreswide.,Explaination,A:HowhighisQomolangma?B:Its8,844metershigh.,Practice,Thebiggestdesertintheworldisabout8,000,000squarekilometersinsize.,HowbigistheSahara?Itsabout8,000,000squarekilometersinsize.,1bListenandcompletethesentences.,1.Qomolangmais_thananyothermountainintheworld.2.TheSaharais_desertintheworld.3.TheCaspianSeais_ofallthesaltlakes.4.TheNileis_riverintheworld.,higher,thebiggest,thedeepest,thelongest,2aListenandnumberthefacts(1-4)intheorderyouhearthem.,6,3005,0005,464300,_TheYangtzeRiverisabout_kilometerslongandtheYellowRiveris_kilometerslong._Chinahasthebiggestpopulationintheworld.ItsalotbiggerthanthepopulationoftheUS._Chinaisover_yearsold.IthasamuchlongerhistorythantheUS.TheUSisnoteven_yearsold._ChinaisalmostasbigastheUS,butitisthebiggestcountryinAsia.,4,2,1,3,2bListenagainandfillintheblanksin2awiththenumbersinthebox.,6,3005,0005,464300,_TheYangtzeRiverisabout_kilometerslongandtheYellowRiveris_kilometerslong._Chinahasthebiggestpopulationintheworld.ItsalotbiggerthanthepopulationoftheUS.,6,300,5,464,_Chinaisover_yearsold.IthasamuchlongerhistorythantheUS.TheUSisnoteven_yearsold._ChinaisalmostasbigastheUS,butitisthebiggestcountryinAsia.,5,000,300,2cMakeconversationsusingtheinformationin2a.,A:DidyouknowthatChinaisoneoftheoldestcountriesintheworld?B:Yes,Idid.itsmucholderthanmycountry.,Practice,A:DidyouknowthatYangtzeRiveristhelongestriverinChina?B:Yes,Idid.Its6,300meterslong.B:Wow!Thatslong!,中国的长城共有近一万公里，东起河北秦皇岛的山海关，西到嘉峪关，这是明代修筑长城的两个最大关口，北京境内的长城有600余公里，比较著名的有八达岭长城、金山岭长城、司马台长城、慕田峪长城、居庸关长城和箭扣长城等。,TheGreatWall,2dReadtheconversationandanswerthequestions:,1.Whichisthebiggestman-madeobjectsintheworld？2.WhichisthemostfamouspartoftheMingGreatWall?,TheGreatWall.,Badalingpartofthewall.,1.FellfreetoaskmeanythingontodaysGreatWalltour.在今天的长城游中，大家尽管问我任何问题，不要拘束。,fellfree是英语口语中一个常用表达。若有人让你feelfreetodosomething，就是让你无需拘束，只管按照自己的意愿去做某事。,Languagepoints,e.g.A:CanIuseyourbathroom?我可以用一下你的卫生间吗？B:Yes,feelfree.可以，请随意。,asfarasIknow是一个固定的表达方式，还可以说sofarasIknow，意思是“据我所知”。,2.AsfarasIknow,therearenoman-madeobjectsasbigasthis.据我所知，再没有像它这样大的人造物体了。,e.g.AsfarasIknow,Jacksgottwinsisters.就我所知，杰克有一对孪生姐妹。Theyrenotcomingtoday,sofarasIknow.他们今天不来了就我所知是这样的。,feelfreethemostpopularquestiontalkabouttheMingDynastytheancientemperorsthemainreasonasfarasIknowtheMingGreatWall,Importantphrasesandsentences.,Howlongisthewall?Itsabout8,850kilometerslong.Thismakesitthelongestwallintheworld.Itsthemostfamouspart.,Homework,A:Tomemorizetheimportantphrasesandsentences.B:Tomakesomedialoguesaboutaskingthesizeofobjects.,SectionA23a-3c,Whichisthehighestmountainintheworld?WhichisthelongestriverinAsia?,Revision,freezingadj.极冷的；冰冻的,naturen.大自然,thickadj.厚的；浓的,Newwords,1.achievementn.成就；成绩e.g.Wefeltagreatsenseofachievementwhenwereachedthetopofthemountain.当我们到达山顶的时候，我们有一种巨大的成就感。2.achievev.达到；完成；成功e.g.Hewillneverachieveanythingifhedoesntworkharder.如果他不加紧努力工作，他会一事无成。,Learnmorenewwords.,3.southwesternadj.西南的；西南方向的e.g.IsthisSouthwesternAirline?这是西南航空公司吗？4.includev.包含；包括e.g.Herhobbiesincludeswimmingandgardening.她爱好游泳和园艺。5.conditionn.条件；状况e.g.Thepianowasingoodcondition.这台钢琴状况良好。,6.takein吸入；容纳e.g.Fishtakeinoxygenthroughtheirgills.鱼用鳃吸氧气。7.succeedv.实现目标；成功e.g.Ifyoutryhardyoullsucceed.你如果努力就会成功。常用短语：succeedindoingsth.e.g.Policehavefinallysucceededinsolvingthemystery.警察最终成功破解了这个疑案。,8.challengev.&n.挑战；考验e.g.Thejobdoesntreallychallengehim.这项工作不能真正的考验他。Thenewgovernmentsfirstchallengeistheeconomy.新政府面临的第一个挑战是经济问题。9.inthefaceof面对（困难、问题等）e.g.Inthefaceofdifficulties,hescompletelyunafraid.他在困难面前毫不胆怯。,10.forcen.力；力量e.g.Thethieftookthemoneyfromtheoldmanbyforce.窃贼用暴力抢了老人的钱。,WhatdoyouknowaboutQomolangma?TalkaboutQomolangmainpairs.,Pre-reading,自读文章，在书中划出重点、疑点后，翻译下列短语。先独立完成，后小组商议。,1.最危险的山峰2.世界上最危险的运动之一3.登山（名词短语）/（动词短语）,themostdangerousmountain,oneoftheworldsmostdangeroussports,mountainclimbing/climbmountains,Reading,4.来自世界各地的登山者5.横亘于中国的西南边界6.在所有的山峰中7.厚厚的云层,theclimbersfromallovertheworld,runalongthesouthwesternpartofChina,ofallthemountains,thickclouds,8.更为严重的困难9.寒冷的天气状况和强劲的暴风雪10.首次到达珠穆朗玛峰顶的人,moreseriousdifficulties,freezingweatherconditionsandheavystorms,thefirstpeopletoreachthetopofQomolangma,Readthearticleandmatcheachparagraphwiththemainideas.,Paragraph1spiritofclimbersParagraph2achievementsofclimbersParagraph3factsanddangers,3a,Oneofthemost_sportsintheworldismountain_,andoneofthemost_placestogoforthisistheHimalayas.Theseextremelyhigh_attract_fromallovertheworld.Manypeoplesaythisisoneofthemost_partsoftheworld.,Accordingtothepassage,fillintheblanks.,dangerous,climbing,popular,risk,climbers,famous,TheHimalayas_alongthe_borderofchina.Ofallthepeaks(tops),Qomolangmaisthe_andmost_.Its_toclimbQomolangmabecausethickclouds_thetopofthemountain.Evenmoreserious_includethefreezing_conditionsandthe_storms.,runs,southwestern,highest,famous,thehardest,cover,difficulties,weather,heavy,Thefirst_toreachthetopofQomolangmaTenzingNorgayandEdmundHillarydiditin1953.ThefirstChineseclimber_thetopin1960,andin1975,thefirst_didittoo.,people,reached,woman,Readthearticleagain,andanswerthefollowingquestions.,1.WhatamountainisHimalayas?2.WhyisitdangeroustoclimbQomolangma?3.WhendidthefirstChinesereachthetopofQomolangma?,Itsoneofthemostpopularplacesformountainclimbing.,Becausethickcloudscoverthetopandsnowcanfallveryhard.,In1960.,Readthearticleagainandcompletethechart.,3b,Answerthequestionsusinginformationfromthearticle.,1.WherearetheHimalayas?2.HowhighisQomolangma?,InthesouthwesternpartofChina.,8,844.43metershigh.,3c,3.Whydosomanypeopletrytoclimbthismountaineventhoughitisdangerous?4.Whatdoesthespiritoftheclimberstellus?,Becausepeoplewanttochallengethemselvesinthefaceofdifficulties.,Weshouldnevergiveuptryingtoachieveourdreams.,Oneoftheworldsmostdangeroussportsismountainclimbing,“oneof+the+形容词的最高级+复数名词”，意为“最之一”。如：MissWangisoneofthemostpopularteachersinourschool.王老师是我们学校最受欢迎的老师之一。,Languagepoints,2.Itisalsoveryhardtotakeinairasyougetnearthetop.Itis+adj.+todosth.，it作形式主语放在句首，而把真正的主语放在句尾。常用于此句型的形容词有important，difficult，dangerous，necessary，useful，possible等，用来对todosth.进行说明。此句型可以转换成Todosth.is+adj.。,3.Evenmoreseriousdifficultiesincludefreezingweatherconditionsandheavystorms.difficulty既可作可数名词也可作不可数名词。,e.g.ItisimportanttostudyEnglishwell.学好英语很困难。ItsverydifficulttoclimbQomolangma.攀登珠穆朗玛峰很难。,作可数名词时通常用复数，表示具体概念，即：各式各样的“困难，难题，难事”，如：Heshavingfinancialdifficulties.他正手头拮据。作不可数名词时，译作“困难，艰难，幸苦”，如：Shehadgreatdifficultyinunderstandinghim.她很难理解他说的话。,4.Thespiritoftheseclimbersshowsusthatweshouldnevergiveuptryingtoachieveourdreams.giveup意为“放弃”，后面可以接名词、代词或v-ing形式作宾语。注意：如果其宾语是名词，那么名词可以放在give和up之间，也可以放在up之后；如果其宾语是代词，那么代词只能放在give和up之间。如：,Myunclewantstogiveupdrinkingwine.我叔叔想戒酒。AlthoughEnglishisnteasytolearn,Iwontgiveitup.虽然英语不易学，但我不会放弃。,5.Whydosomanypeopletrytoclimbthismountaineventhoughitisdangerous?eventhough用作从属连词，意为“即使；尽管”，相当于evenif，引导让步状语从句，一般不与并列连词but连用。如：Mr.Wangwillcomeontimeeventhoughitrains.尽管下雨，但王老师会按时来。,TheYellowRiverislong.TheYangtzeRiverisalot_thantheYellowRiver.TheNileis_ofall.,longer,thelongest,Makesentencesusingtheinformationintheforms.,Exercise,TheYangtzeRiverisnot_long_theNile.=TheYangtzeRiverisnot_thantheNile.,asas,longer,MountTaiishigh.MountHuangisalittle_thanMountTai.Qomolangmais_ofall.,MountTaiisnot_high_Qomolangma.=MountTaiisnot_thanQomolangma.,higher,thehighest,asas,higher,1.ThepopulationofSingaporeislarge.2.ThepopulationofMalaysiaismuch_thanthatofSingapore.3.ThepopulationofChinais_ofall.,larger,thelargest,4.ThepopulationofSingaporeisnot_large_thatofChina.5.ThepopulationofSingaporeisnot_thanthatofChina.,as,larger,as,Retellthearticle,thenpreviewtheGrammarfocus.,Homework,SectionB11a-2e,Newwords,weighv.称重,adultn.成人adj.成年的,bamboon.竹子,endangeredadj.濒危的,researchn.&v.调查；研究,keepern.饲养员,awakeadj.醒着,excitementn.激动,illnessn.疾病,artworkn.插图,wildadj.野生的,governmentn.政府,Comparefactsaboutthesetwoanimals.Usethelanguageintheboxtohelpyoumakesentences.,1a,Elephantis350cmtallweighs5,000kiloseats150kilosoffoodaday,Discussion,Pandais150cmtall(standingontwolegs)weighs100kiloseats10kilosoffoodaday,Examplesentences:Thiselephantweighsmanytimesmorethanthispanda.(200cmtaller/shorter,weighmuchmore/less,eatmuchmore/less,eatmanytimesmore),大熊猫最奇特的一点是新生儿在出生时相当的不成熟，体重仅是它母亲体重的0.1%，平均为145克左右，约为成年的千分之一。照顾孩子是一项非常艰巨的任务，通常历时18个月，有时长达两年，直到她的下一个孩子出生。,大象是现存世界最大的陆栖动物，主要外部特征为柔韧而肌肉发达的长鼻和扇大的耳朵，具缠卷的功能，是象自卫和取食的有力工具。象肩高约2米，体重37吨。非洲象耳大，体型较大，体重较重。亚洲象耳小，身体较小，体重较轻。,Listenandcheck()thenumbersyouhear.,Listening,1001620501200.10.2150,1b,Listenagainandcompletethesentences.,1.Atbirth,ababypandaisabout_to_kilos.2.Atbirth,ababypandaisabout_cmlong.3.Ababypandaisnotblack.Itis_andithasno_.4.Apandacanliveupto_to_years.,0.1,0.2,15,pink,teeth,20,30,1c,Taketurnstellingyourclassmatesaboutpandas.,Practice,A:Ababypandacannotsee.B:Anadultpandaweighsmanytimesmorethanababypanda.,1d,Herearesomefactsaboutkoala,usetheinformationabovetomakesentences.,Discussion,Koalais75cmtallweighs10kiloseatsleavessleeps20hoursaday,Talkaboutpandasinyourclass.Usethesewordstohelpyou.,Reading,2a,big,bamboo,zoo,popular,cute,blackandwhite,Sichuan,famous,endangered,beautiful,forest,protect,阅读策略：Scanning,Thismeansmovingyoureyesquicklydownthepagetofindspecificinformation.,略读时，只需读每一段第一句话（较长的段落，读前两句）。第一句话常是整段讨论的主题。在结论段，重点可能在最后一句。阅读时，把文本标出来，是帮助回答问题好方法。可将关键词画线或在段落旁写下本段主题，一两个字就够了，关键在于涵盖全文的速度。略读时遇到不懂单词，试观察前后字来猜出意思。比如，在不懂的单字前面是形容词，那么这个字可能会是名词；在不懂的单字之前是副词，那么这个字可能会是动词。只要了解段落大意就好了。,Scanthearticletofindoutwhatthesenumbersmean.,10,12,200,2000,2b,Scanthearticleagainandwriteshortanswerstothequestions.,WhatisLinWeisjob?,2.Whatdothebabypandaseatforbreakfast?,3.Whatdoadultpandaseat?,Apandakeeper.,Milk.,Bamboos.,2c,4.Whyarepandasendangered?,5.Whatisonewayofsavingpandas?,Lessforestforpandastolive.,Teachingchildren.,Completethesentencesusingwordsandphrasesfromthepassage.,Thepanda_attheChengduResearchBaseareawakeveryearlyinthemorningto_breakfastforthebabypandas.,keepers,prepare,2.Adultpandasdonothavebabiesvery_,andsomeofthebabiesonlyliveforashorttimebecauseof_.,often,illnesses,2d,4.AspecialprograminChengduteaches_aboutwhypandasare_andhowtosavethem.,endangered,5.The_isalsohelpingtosavethepandas.Its_moretreestomakemorehomesforthepandas.,Chinesegovernment,necessarytoplant,3.Anotherreasonforfewerandfewerpandasisbecausepeoplearecuttingdown_sopandashavefewerplacestolive.,trees,children,Discussion,Discusswhatotherwaysyouthinkchildrencanhelptosavethepandas.,2e,Importantphrases,prepareforbeawakerunoverfallovertakecareofplaywithonesownbespecialtosb.,everytwoyearsdiefromillnessspendtimedoingsth.cutdownaneducationprogramendangeredanimalsthewaytointhefuture,1.Atbirth,ababypandaisaboutbirthv.出生atbirth出生时e.g.Mansnatureatbirthisgood.人之初，性本善。givebirthto生（孩子）；产生e.g.Myauntgavebirthtoabeautifulbabygirlyesterday.昨天我婶婶生下一个漂亮的小女孩。,Languagepoints,2.Apandacanliveupto20to30years.upto到达（数量，程度等）；不多于e.g.InsomeareaofAfrica,childrengeteducatedupto12yearsold.在非洲的一些地区，孩子最多受教育到12岁。,3.theyrunoverwithexcitementandsomeofthemevenwalkintotheirfriendsandfallover!runover跑上前去overadv.穿越；从的一边到另一边e.g.Sheranovertosayhello,butIdidntrecognizeher.她跑过来打招呼，但我没有认出她来。,walkinto（走路时意外）撞上e.g.Ashewasthinkingtoodeeplyandnotplayingattentiontowherehewasgoing,hewalkedstraightintoatree.由于他陷入深思，没有注意看路，径直撞到了一棵树上。,fallover摔倒；倒下e.g.Dontruntoofast,oryoumightfallover.别跑的太快，要不你会摔跤的。falloversomething被某物绊倒e.g.Tommyfelloverthedogandbrokehisfrontteeth.Tommy被那只狗绊了一跤，磕断了门牙。,4.Scientistssaytherearenowfewerthan2,000pandaslivingintheremainingforests.livingintheremainingforests是一个现在分词短语，用做定语，修饰pandas。e.g.thegirlssingingunderthetree树下唱歌的女孩们thewomenwashingclothesbytheriver河边洗衣服的女人们,Summary,1.cmtaller/shorter2.much/even/alittle/less+比较级timesmorethan.Talkabouthowtoprotectpandas.,Makealistabouthowtosavepandas.,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_tosw