八年级英语下册unit7-what‘s-the-highest-mountain-in-the-world全单元课件

Unit7Whatsthehighestmountainintheworld?,SectionA1a-2d,LanguageGoal:Talkaboutgeographyandnature,Qomolangmaabout9,600,000squarekilometersinsizeTheSahara1,025metersdeepTheCaspianSea6,671kilometerslongTheNile8,844.43metershigh,1a.Matchthefactsyouknow.,1.Qomolangmais_thananyothermountainintheworld.2.TheSaharais_desertintheworld.3.TheCaspianSeais_ofallthesaltlakes.4.TheNileis_riverintheworld.,1b.Listenandcompletethesentences.,higher,thebiggest,thedeepest,thelongest,1c.Usetheinformationin1btomakeconversations.,A:Whatisthehighestmountainintheworld?B:Qomolangma.,A:Whatisthebiggestdesertintheworld?B:Sahara.,A:Whatisthedeepestsaltlakeintheworld?B:Caspiansea.,Pairwork,A:Whatisthelongestriverintheworld?B:Nile.,_TheYangtzeRiverisabout_kilometerslongandtheYellowRiveris_kilometerslong._Chinahasthebiggestpopulationintheworld.ItsalotbiggerthanthepopulationoftheUS.,2a.Listenandnumberthefacts1-4intheorderyouhearthem.,6,3005,0005,464300,2,4,_Chinaisover_yearsold.IthasamuchlongerhistorythantheUS.TheUSisnoteven_yearsold._ChinaisalmostasbigastheUS,anditisthebiggestcountryinAsia.,1,3,2b.Listenagainandfillintheblanksin2awiththenumbersinthebox.,_TheYangtzeRiverisabout_kilometerslongandtheYellowRiveris_kilometerslong._Chinahasthebiggestpopulationintheworld.ItsalotbiggerthanthepopulationoftheUS.,6,3005,0005,464300,2,4,6,300,5,464,_Chinaisover_yearsold.IthasamuchlongerhistorythantheUS.TheUSisnoteven_yearsold._ChinaisalmostasbigastheUS,anditisthebiggestcountryinAsia.,1,3,5,000,300,A:DidyouknowthatChinaisoneoftheoldestcountriesintheworld?B:Yes,Idid.Itsmucholderthanmycountry.,2c.Makeconversationsusingtheinformationin2a.,Groupwork,Guide：FeelfreetoaskmeanythingontodaysGreatWalltour.Tourist1：Howlongisthewall?Guide：Ah,themostpopularquestion!IfwereonlytalkingaboutthepartsfromtheMingDynasty,itsabout8,850kilometerslong.Thismakesitthelongestwallintheworld.,2d.Role-playtheconversation.,Tourist2:Wow,thatsamazing!Whydidtheancientemperorsbuildthewall?Guide:Themainreasonwastoprotecttheirpartofthecountry.Asyoucansee，itsquitetallandwide.AsfarasIknow,therearenoman-madeobjectsasbigasthis.Tourist3:IsBadalingpartoftheMingGreatWall?Guide:Yes,itsthemostfamouspart.,3a.Readthearticleandmatcheachparagraphwiththemainideas.,QomolangmatheMostDangerousMountainintheWorld?,Oneoftheworldsmostdangeroussportsismountainclimbing,andoneofthemostpopularplacesforthisistheHimalayas.TheHimalayasrunalongthesouthwesternpartof,China.Ofallthemountains,Qomolangmarisesthehighestandisthemostfamous.Itis8,844.43metershighandsoisverydangeroustoclimb.Thickcloudscoverthetopandsnowcanfallveryhard.Evenmoreseriousdifficultiesincludefreezingweatherconditionsandheavystorms.Itisalsoveryhardtotakeinairasyougetnearthetop.,ThefirstpeopletoreachthetopwereTenzingNorgayandEdmundHillaryonMay29,1953.ThefirstChineseteamdidsoinI960,whilethefirstwomantosucceedwasJunkoTabeifromJapanin1975.Whydosomanyclimbersrisktheirlives?Oneofthemainreasonsisbecausepeoplewanttochallengethemselvesinthefaceofdifficulties.,Thespiritoftheseclimbersshowsusthatweshouldnevergiveuptryingtoachieveourdreams.Italsoshowsthathumanscansometimesbestrongerthantheforcesofnature.,Paragraph1SpiritofclimbersParagraph2AchievementsofclimbersParagraph3Factsanddangers,Paragraph1Listfourdangersforclimbers:,thickcloudsSnowslide;Freezingweatherconditions;Heavystorm;,3b.Readthearticleagainandcompletethechart.,Paragraph2Listthreeachievements:,1953-TenzingNorgayandEdmundHillarywerethefirsttoreachthetop;1960-ThefirstChineseteamdidso;1975theJapaneseJunkoTabeisucceededdoingso.,Paragraphs1mostpopularplaces;thehighestmountain;themostfamousmountain,WherearetheHimalayas?2.HowhighisQomolangma?,3c.Answerthequestionsusinginformationfromthearticle.,TheHimalayasrunalongthesouthwesternpartofChina.,Itis8,844.43metershigh.,3.Whydosomanypeopletrytoclimbthismountaineventhoughitisdangerous?4.Whatdoesthespiritoftheclimberstellus?,Oneofthemainreasonsisbecausepeoplewanttochallengethemselvesinthefaceofdifficulties.,Thespiritoftheseclimbersshowsusthatweshouldnevergiveuptryingtoachieveourdreams.Italsoshowsthathumanscansometimesbestrongerthantheforcesofnature.,1.FeelfreetoaskmeanythingontodaysGreatWalltour.在今天的长城游中，大家尽管问我任何问题，不要拘束。feelfree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。e.g.A:CanIuseyourbathroom?我可以用一下你的卫生间吗？B:Yes,feelfree.可以，请随意。,Languagepoints,2.AsfarasIknow,therearenoman-madeobjectsasbigasthis.据我所知，再没有像它这样大的人造物体了。asfarasIknow是一个固定的表达方式，还可以说sofarasIknow，意思是“据我所知”。例如：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。,3.theMingGreatWall明长城“明长城”是指明朝时期为了防御北方游牧民族的骚扰，历时一百多年在北部地区修筑的军事防御工程。这段长城东起辽宁虎山，西至甘肃嘉峪关，从东向西横贯多个省、直辖市、自治区，全长约8850千米，是现存历代长城遗迹中最完整、最坚固的。,4.Evenmoreseriousdifficultiesincludefreezingweatherconditionsandheavystorms.更加严峻的困难包括极冷的天气状况和巨大的风暴。1）difficulty既可作可数名词也可作不可数名词，在此用作可数名词。作可数名词时,difficulty通常用作复数，表示具体概念，即：各种各样的“困难；难题；难事”。,例如：Peoplelearninganewlanguagemayfacesomedifficulties.人们学习一门新的语言时可能会遇到一些困难。Ifyouhaveanydifficulties,youcancallmeforhelp.如果你遇到任何困难，给我打电话求助好了。,作不可数名词时，difficulty可译作“困难；艰难；辛苦；费劲”，例如：Hehadgreatdifficultyinfindinganewjob.他找新的工作费了很大劲。.Wefoundthehousewithoutdifficulty.我们轻而易举地找到广那座房子。,2）include表示“包括；包含”，是一个及物动词。例如：Doesyourpriceofthebikeincludethislight?你们的车价包含这盏车灯吗？,5.Thespiritoftheseclimbersshowsusthatweshouldnevergiveuptryingtoachieveourdreams.这些登山者的精神向我们表明：我们绝不应该放弃实现自己梦想的尝试。1）giveupdoingsomething的意思是“放弃做某事；半途而废”Hegaveuplearningathirdlanguageafterhegotthejob.他找到工作之后就放弃了对第三门语言的学习。,2)achieveourdreams相当于makeourdreamscometrue其中动词achieve表示“（通过努力）实现；取得；获取；达到（梦想、成绩、成功、目的)”等。例如：Heachievedgreatsuccessinashorttime.他用很短的时间取得了极大的成功。LinTaoachievedverygoodexamresults.林涛考试取得了很好的成绩。,一写出下列单词的比较级和最高级,fortable3.big4.happy5.cheap6.many7.difficult8.little,fortable3.big4.happy5.cheap6.many7.difficult8.little,betterbest,moremost,biggerbiggest,happierhappiest,cheapercheapest,moremost,moremost,lessleast,1.Lilygetsup_(early)thanLucy.2.Whichgoes_(slowly),TomorJim?3.Thisbookis_(interesting)thanthatone.,earlier,moreslowly,moreinteresting,二根据所给词的适当形式填空,4.Sheworks_(careful)inherschool.5.Whogoestobed_(late)Jim,TomorJack?6.Ithinkturkeyis_(delicious)ofall.,themostcarefully,latest,themostdelicious,Homework,Canyouthinkofmoreexamplestoshowisthemostintheworld?Competewithyourclassmates.,Unit7Whatsthehighestmountainintheworld?,SectionAGrammarFocus,GrammarFocus,4a.Fillintheblankswiththecorrectformsofthewordsinthebox.,1.TheAmazonRiverisoneofthe_riversintheworld.Itsalittle_thantheYangtzeRiver.2.Qomolangmais8,844.43meters_.,bigmuchpopularlongoldhigh,longest,longer,high,Itsoneofthemost_placesforseriousmountainclimbers.3.Nooceanintheworldisas_asthePacificOcean.4.AlthoughJapanis_thanCanada,itis_smaller.,popular,big,older,much,e.g.Tworivers：_and_,4b.Writetwocomparisonsabouttwotopics.Writetruefacts.,theYangtzeRiver,theAmazonRiver,TheYangtzeRiverisalmostaslongastheAmazonRiver.,TheAmazonislongerthantheYangtze,buttheYangtzeisthelongestriverinChina.,Twocities：_and_1._2._,Twoanimals：_and_1._2._,Pairwork,4c.Writefivequestionsusingcomparisons.Thenaskyourpartneryourquestions.,_,Whatisthehighestbuildinginourcity?,Whoistheoldestpeopleinourcity?,Whatisthemostpopularstreetinourcity?,Whatisthemostdeliciousfoodinourcity?,Whereisthebusiestroadinourcity?,GrammarFocus,(一)数词Numeral,数词是用来表示事物的数目和顺序的词。,数词的分类：1.基数词2.序数词3.分数词今天我们先来学习一下基数词。,1.复习1100以内的所有数字。2.掌握百、千、万、十万、百万的表达法。,1、1-19的基数词,one1two2three3four4five5,six6seven7eight8nine9ten10,eleven11twelve12thirteen13fourteen14,fifteen15sixteen16seventeen17eighteen18nineteen19,2、2090等十位数,twenty20thirty30forty40fifty50sixty60seventy70eighty80ninety90,twenty-one21twenty-two22其它的十位数照此类推，如：thirty-one31forty-two42seventy-five75ninety-six96,3、百、千、万,百hundred100onehundred200twohundred以此类推千thousand1000onethousand2000twothousand英语里没有“万”这一单位，万也用thousand表示。如：10000tenthousand一万20000twentythousand两万,4、十万、百万,十万的说法是：100.000a(one)hundredthousand200.000twohundredthousandmillion百万a(one)million1,000,000twomillion2,000,000以此类推8,000,000eightmillion,练一练345100118,657,421,threehundredandforty-five,onethousand(and)one,eighteenmillion,sixhundredandfifty-seventhousand,fourhundredandtwenty-one,Theprojectlasted5yearsandcost2billiondollars.2.TheChinesehavebeenmakingpaperfortwothousandyears.3.Onethousandpoundsisalotofmoney.,表示确定数量时用基数词+hundred，thousand，million，billion,多位基数词读法,457,890,608,389,threehundredandeighty-nine,fourhundredandfifty-seven,eighthundredandninety,sixhundredandeight,1）101999的三位数由“百位数and+两位数组成”。如：325threehundredandtwenty-five,102onehundredandtwo,635sixhundredandthirty-five,2)三位数以上的数，从个位往前数，每三位数加一个逗号，从后往前数的第一个逗号代表thousand,第二个逗号代表million,第三个逗号是billion，注意这几个词不能用复数形式，后也不能加and。例如：2,648twothousand,sixhundredandforty-eight16,250,064sixteenmillion,twohundredandfiftythousand,sixty-four,确切数目与不确切数目的表达：hundred,thousand,million,billion等前面有基数词，表示确切数目时，用单数，后直接接复数名词；如：threehundredbooksonehundredpeoplefivethousandstudentssevenmillionstarts,表示不确切数目时，这类词后加-s且与of连用。如：hundredsofpeoplethousandsofstudentsmillionsofbirdsbillionsoflions注意：这类短语中，名词前如有定冠词、指示代词或形容词性物主代词时，可加of,但表示的是范围。如：twohundredoftheworkers工人中的二百（人）,GrammarFocus,(二)形容词的比较级和最高级comparativesandsuperlativeswithadj.andadv.,short,-,shorter,small,-,smaller,nice,nicer,safe,safer,-,-,-,-,-,-,big,thin,heavy,heavier,happy,happier,找规律：,big,bigger,thin,thinner,deliciousmoredeliciousinterestingmoreinterestingimportantmoreimportantcarefully-morecarefullyquickly-morequicklyslowly-moreslowlyeasily-moreeasily,找规律：,大多数形容词和副词有三个等级：原级、比较级、最高级。一、形容词比较级的构成1.构成的不规则变化:2.构成的规则变化:,形容词和副词的比较级,1.构成的不规则变化:e.g.good/wellbetterbestbad/badlyworseworstmany/muchmoremostlittlelessleastfarfarther/furtherfarthest/furthest,2.构成的规则变化:1)单音节词和少数双音节词一般在词尾后加-er构成比较级或-est构成最高级.如：原级比较级最高级coldcoldercoldestbrightbrighterbrightestyoungyoungeryoungest,2)以字母e结尾的词只加r或-st构成比较级和最高级。原级比较级最高级nicenicernicestfinefinerfinestlargelargerlargest,3)重读闭音节词末尾只有一个辅音字母时,先双写这个辅音字母,再加-er或-est。如:bigbiggerbiggestthinthinnerthinnest4)以“辅音字母+y”结尾的双音节词，先改y为i,再加-er或-est。如：easyeasiereasiesthappyhappierhappiest,5)多音节词和部分双音节词在词前加more或most。如：deliciousmoredeliciousmostdeliciousinterestingmoreinterestingmostinterestingimportantmoreimportantmostimportant,carefully-morecarefully-mostcarefullyquickly-morequickly-mostquicklyslowly-moreslowly-mostslowlyeasily-moreeasily-mosteasily,形容词最高级的构成,tall,taller,tallest,B:heavyeasytidydrybusyhappyhealthyhungryearly,y-i-est,C:largelatenice,-st,biggest,D:big,hot,hottest,thin“双写”,thinnest,wet,wettest,fat,fattest,Adjective,deliciousdangerousinterestingpopularbeautifulcarefulfriendly,themost-adj.,Adjective,betterbest,far,little,worseworst,moremost,fartherfarthest,lessleast,good,well,bad,badly,many,much,fortable3.big4.happy5.cheap6.many7.difficult8.little,betterbestmorecomfortablemostcomfortablebiggerbiggesthappierhappiestcheapercheapestmoremostmoredifficultmostdifficultlessleast,用法：英语中三者或三者以上相比较，表示“最”这样的最高程度概念时，要用“the+最高级”的结构表示。这种句式一般带有表示比较的介词短语，比如:inourclass,ofthethree等。例如：WangLinisthetallestinourclass.Thistheateristhecheapestofthethree.注意使用最高级时应注意以下几点：,形容词的最高级,(1)表示“最之一”的句式，要用oneofthe+形容词最高级+复数名词。例如:JingjiangHotelisoneofthebiggesthotelsinourcity.Lisaisnotoneofmybestfriends.(2)当最高级前面有物主代词或名词所有格时，不加定冠词the。例如：TomisLucysbestfriend.Tuesdayisherbusiestday.,(3)最高级前可加序数词。例如：TheYellowRiveristhesecondlongestriverinChina.(4)形容最高级修饰作表语或介词宾语的名词，代词时，被修饰的词往往省略。例如：Heisthelaziest(student)inourclass.,2.形容词比较级和最高级的构成规则变化一般情况下，单音节或双音节的形容词比较级直接加-er,最高级直接加-est。如：clevercleverercleverestcheapcheapercheapestfewfewerfewestsmallsmallersmallestyoungyoungeryoungest,b.以-e结尾的形容词，比较级+-r,最高级+-st。如：largelargerlargestnicenicernicestcutecutercutestc.以辅音字母+y结尾的形容词，变y为i+er或+est。busybusierbusiestheavyheavierheaviesteasyeasiereasiesthappyhappierhappiestdirtydirtierdirtiest,d.以重读闭音节结尾，末尾只有一个辅音字母结尾的词，双写最后一个辅音字母，再加+er或+est。如：bigbiggerbiggestthinthinnerthinnestfatfatterfattesthothotterhotteste.多音节和部分双音节形容词，需在原级前+more构成比较级，+most构成最高级。如：importantmoreimportantmostimportantbeautifulmorebeautifulmostbeautifuldifficultmoredifficultmostdifficult,3.不规则变化：,最高级规则变化口诀：,最高级，很容易，一般词尾加est。(cheap-thecheapest)词尾若有哑音e,直接就加st。(close-theclosest)重读闭音节,单辅音字母要双写。(big-thebiggest)辅音字母加y,记得把y变为i。(friendly-thefriendliest)多音节，考考你，themost到底加哪里？(popular-themostpopular),1.WearegoingtotheGreenRestaurantforlunch.(就划线部分提问)_yougoingforlunch?2.Samistheshortestinhisclass.(改为同义句)Samis_than_studentinhisclass.Samis_than_studentsinhisclass.Samis_than_inhisclass.3.HowdoyoulikeScreenCity?(改为同义句)_doyou_ScreenCity?,Whereare,shorter,anyother,What,thinkof,shorter,theother,anyoneelse,shorter,练习：改写句子,TheComparativeSuperlativeDegreesofAdjectivesOntheotherhand,pandasfeedonbamboo,buthumanscutdownthebambooforests.,Teachingchildrentheimportanceofsavingpandas/Plantingmorebambootrees.,1.Thepanda_attheChengduResearchBaseareawakeveryearlyinthemorningto_breakfastforthebabypandas.2.Adultpandasdonothavebabiesvery_,andsomeofthebabiesonlyliveforashorttimebecauseof_.,2d.Completethesentencesusingwordsandphrasesfromthepassage.,keepers,prepare,often,illnesses,3.Anotherreasonforfewerandfewerpandasisbecausepeoplearecuttingdown_sopandashavefewerplacestolive.4.AspecialprograminChengduteaches_aboutwhypandasare_andhowtosavethem.5.The_isalsohelpingtosavethepandas.Itis_moretreestomakemorehomesforthepandas.,forests,children,endangered,Chinesegovernment,planting,2e.Whatotherwaysdoyouthinkchildrencanhelptosavethepandas?,Pairwork,3a.Readthefollowingwordsandphrasesaboutwhales.Puttheminthecorrectplaceinthechart.,Humanscatchwhalesformeat,fatandoilEatsmallfishandothersealifeJumphighoutofthewaterRulesonwhaleprotectionHugeWaterpollution,LiveintheseaSomekindshaveteethLearnmoreaboutwhalesStopputtingrubbishintotheseaSingsongsWhalepartssoldtomakethingslikecandlesandsoap,Huge;Somekindshaveteeth,Liveinthesea,Eatsmallfishandothersealife,Jumphighoutofthewater;Singsongs,Humanscatchwhalesformeat,fatandoil;Waterpollution;Whalepartssoldtomakethingslikecandlesandsoap,Rulesonwhaleprotection;Learnmoreaboutwhales;Stopputtingrubbishintothesea,Whalesare.Theylivein.Theyeat.Theycan.Oneinterestingfactis.Anotherinterestingfactis.Somekindsofwhalesareindangerbecause.Weshouldprotectwhalesfrom.Ithinkpeopleshould/shouldnt.,3b.Writeaparagraphaboutwhalesandwhytheyneedtobeprotected.Usetheinformationin3a.Thenmakeaposter.,1.theyrunoverwithexcitementandsomeofthemevenwalkintotheirfriendsandfallover!它们地跑过去，其中一些甚至撞上自己的伙伴而跌倒！此句中runover；walkinto和fallover均为短语动词。,Languagepoints,runover的意思是“跑上前去；跑过去”，其中over用作副词，表示“从的一边到另一边；穿越”。例如：Sheranovertosayhello,butIdidntrecognizeher.她跑过来打招呼，但我没有认出她来。,walkinto表示“(走路时意外地）撞上”。例如：Ashewasthinkingtoodeeplyandnotpayingattentiontowherehewasgoing；hewalkedstraightintoatree.由于他陷入沉思，没有注意看路，径直撞到了一棵树上。,3)fallover表示“摔倒；跌跤；倒下”。例如：Dontruntoofast,oryoumightfallover.别跑得太快，要不你会摔跤的。Manytreesfelloverafterthestorm.暴风雨后许多树木都倒了。falloversomething则表示“被某物绊倒”，例如：Tommyfelloverthedogandbrokehisfrontteeth.汤米被那只狗绊了一跤，磕断了门牙。,2.Scientistssaytherearenowfewerthan2,000pandaslivingintheremainingforest.科学家们说：如今生活在现存森林里的熊猫不足2000只。此举中livingintheremainingforest是一个现在分词短语，用作定语，修饰名词pandas.又如：thegirlssingingunderthetree树底下唱歌的姑娘们thewomenwashingclothesbytheriver河边洗衣服的妇女们,比较级和最高级填空：,cheaper,cheapest,bigger,biggest,closer,closest,friendlier,friendliest,morepopular,themostpopular,morecomfortable,themorecomfortable,better,best,worse,worst,more,most,farther,farthest,1.Paulisvery_.Heis_thanhisbrother.A.heavy-heavierB.heavy-heavyC.heavier-heavierD.heavy-heavyer2.Ithasthe_clothingstoreinthetown.A.goodestB.gooddestC.bestD.better3.Thisruleris_thanthatone.A.longB.longerC.thelongestD.longest4.Thisbookis_ofall.A.cheapestB.cheapD.cheaperD.thecheapest5.Heismuch_thanhisbrother.A.tallerB.tallC.thetallestD.tallest6.LiLeiis_olderthanLucy.A.quiteB.veryC.muchD.more,一.单选。,7.Thisisoneof_filmsofthisyear.A.moreexcitingB.excitingC.themostexcitingD.mostexciting8.TheweatherinBeijingiscolderthan_.A.inGuangzhouB.GuangzhouC.thatinGuangzhouD.thatfromGuangzhou9.Tomis_ofthetwoboys.A.tallerB.tallestC.thetallerD.thetallest10.Ofmyparents,myfatherlooks_.A.oldB.olderC.theoldestD.theolder11.Thiswatchis_thanthatone.A.muchexpensiveB.expensiverC.moreexpensiverD.moreexpensive,二.用括号中形容词的适当形式填空。1.Iamvery_.ButTomis_thanI.Frankis_.（tired）2.Whichis_（difficult）,physicsorbiology?3.Thisbookis_thantheothertwo.Itis_ofthethree.（easy）4.Insummerits_（hot）inWuHanthaninBeijing.5.TheChinesepeoplehaveamuch_（good）lifenow.,tired,moretired,themosttired,moredifferent,easier,theeasiest,hotter,better,三.填空：,1.Lilygetsup_(early)thanLucy.2.Whichgoes_(slowly),TomorJim?3.Thisbookis_(interesting)thanone.,earlier,moreslowly,moreinteresting,4.Sheworks_(careful)inherschool.5.Whogoestobed_(late)Jim,TomorJack?6.Ithinkturkeyis_(delicious)ofall.,themostcarefully,thelatest,themostdelicious,Discusswithyourpartner,Whichisthebesttown/city?ha