人教版八年级下册英语Unit7单元教学课件

Unit7What’sthehighestmountainintheworld?QomolangmatheSaharatheCaspianSeatheNileCanyoureadthenumbers?2710121520345789100112200ninepointsixmilliononethousandandtwenty-fivesixthousandsixhundredandseventy-oneeightthousandeighthundredandforty-fourpointfourthree9,600,0001,0256,6718,844.43Qomolangma about9,600,000squarekilometersinsize TheSahara 1,025metersdeep TheCaspianSea 6,671kilometerslong TheNile 8,844.43metershigh

1a.Matchthefactsyouknow.1.Qomolangmais ________thananyothermountainintheworld.2.TheSaharais__________desertintheworld.3.TheCaspianSeais__________ofallthesaltlakes.4.TheNileis___________riverintheworld.1b.Listenandcompletethesentences.higherthebiggestthedeepestthelongest1c.Usetheinformationin1btomakeconversations.A:Whatisthehighestmountainintheworld?B:Qomolangma.A:Whatisthebiggestdesertintheworld?B:The

Sahara.A:Whatisthedeepestsaltlakeintheworld?B:The

Caspiansea.PairworkA:Whatisthelongestriverintheworld?B:TheNile.Canyoureadthenumbers?threehundredfivethousandfivethousandfourhundredandsixty-foursixthousandthreehundred

3005,0005,4646,300______The

YangtzeRiverisabout________ kilometerslongandtheYellowRiveris __________kilometerslong.____Chinahasthebiggest

populationintheworld.It’salotbiggerthanthepopulationoftheUS.2a.Listenandnumberthefacts[1-4]intheorderyouhearthem.6,300 5,000 5,464 30024____Chinaisover________yearsold.IthasamuchlongerhistorythantheUS.TheUSisnoteven_______yearsold.____ChinaisalmostasbigastheUS,anditisthebiggestcountryinAsia.132b.Listenagainandfillintheblanksin2awiththenumbersinthebox.______TheYangtzeRiverisabout________ kilometerslongandtheYellowRiveris __________kilometerslong.____Chinahasthebiggestpopulationintheworld.It’salotbiggerthanthepopulationoftheUS.6,300 5,000 5,464 300246,3005,464____Chinaisover________yearsold.IthasamuchlongerhistorythantheUS.TheUSisnoteven_______yearsold.____ChinaisalmostasbigastheUS,anditisthebiggestcountryinAsia.135,000300A:DidyouknowthatChinaisoneoftheoldestcountriesintheworld?B:Yes,Idid.It’smucholderthanmycountry.2c.Makeconversationsusingtheinformationin2a.GroupworkGuide：Feelfreetoaskmeanythingontoday’sGreatWalltour.Tourist1：Howlongisthewall?Guide：Ah,themostpopularquestion!Ifwe’reonlytalkingaboutthepartsfromtheMingDynasty,it’sabout8,850kilometerslong.Thismakesitthelongestwallintheworld.2d.Role-playtheconversation.Tourist2:Wow,that’samazing!Whydidtheancientemperorsbuildthewall?Guide:Themainreasonwastoprotecttheirpartofthecountry.Asyoucansee，

it’squitetallandwide.AsfarasIknow,therearenoman-madeobjectsasbigasthis.Tourist3:IsBadalingpartoftheMingGreatWall?Guide:Yes,it’sthemostfamouspart.1.Feelfreetoaskmeanythingontoday’sGreatWalltour.

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。Languagepoints2.Howlongisthewall?长城有多长？Howlong/Howhigh/Howdeep/Howfar…?多长/多高/多深/多远……?It’sabout…meters/kilometerslong.3.ancientemperors古代的皇帝4.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”。e.g.AsfarasIknow,Jack’sgottwinsisters.

就我所知，杰克有一对孪生姐妹。5.man-made人造的6.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。WarmingupWhatsportsdoyoulike?Whichofthefollowingsportsdoyouthinkisthemostdangerous:swimming,tennis,mountainclimbingorbasketball?NewWordsachievement成就，成绩southwestern西南方向的thick厚的，浓的include包括，包含freezing极冷的，冰冻的condition条件，状况takein吸入，吞入succeed成功challenge挑战，考验inthefaceof面对achieve达成，实现force力，力量nature大自然eventhough即使，虽然3a.Readthearticleandmatcheachparagraphwiththemainideas.Qomolangma—theMostDangerousMountainintheWorld?1.Oneoftheworld’smostdangeroussportsismountainclimbing,andoneofthemostpopularplacesforthisistheHimalayas.TheHimalayasrunalongthesouthwesternpartofChina.Ofallthemountains,Qomolangmarisesthehighestandisthemostfamous.Itis8,844.43metershighandsoisverydangeroustoclimb.Thickcloudscoverthetopandsnowcanfallveryhard.Evenmoreseriousdifficultiesincludefreezingweatherconditionsandheavystorms.Itisalsoveryhardtotakeinairasyougetnearthetop.2.ThefirstpeopletoreachthetopwereTenzingNorgayandEdmundHillaryonMay29,1953.ThefirstChineseteamdidsoinI960,whilethefirstwomantosucceedwasJunkoTabeifromJapanin1975.3.Whydosomanyclimbersrisktheirlives?Oneofthemainreasonsisbecausepeoplewanttochallengethemselvesinthefaceofdifficulties.Thespiritoftheseclimbersshowsusthatweshouldnevergiveuptryingtoachieveourdreams.Italsoshowsthathumanscansometimesbestrongerthantheforcesofnature.Paragraph1SpiritofclimbersParagraph2AchievementsofclimbersParagraph3FactsanddangersParagraph1Listfourdangersforclimbers:thickcloudsSnow;Freezingweatherconditions;Heavystorm;3b.Readthearticleagainandcompletethechart.Paragraph2Listthreeachievements:1953-TenzingNorgayandEdmundHillarywerethefirsttoreachthetop;1960-ThefirstChineseteamdidso;1975–theJapaneseJunkoTabeisucceededdoingso. Paragraphs1&3Listfourcomparisons: mostdangeroussport;mostpopularplaces;thehighestmountain;themostfamousmountainWherearetheHimalayas?2.HowhighisQomolangma?3c.Answerthequestionsusinginformationfromthearticle.TheHimalayasrunalongthesouthwesternpartofChina.Itis8,844.43metershigh.3.Whydosomanypeopletrytoclimbthismountaineventhoughitisdangerous?4.Whatdoesthespiritoftheclimberstellus?Oneofthemainreasonsisbecausepeoplewanttochallengethemselvesinthefaceofdifficulties.Thespiritoftheseclimbersshowsusthatweshouldnevergiveuptryingtoachieveourdreams.Italsoshowsthathumanscansometimesbestrongerthantheforcesofnature.Unit7What’sthehighestmountainintheworld?SectionAGrammarFocusTheComparativeSuperlativeDegreesofAdjectives&Adverbs复习形容词和副词比较级和最高级大多数形容词和副词有三个等级：原级、比较级、最高级。

形容词比较级和最高级的构成

1.构成的规则变化:2.构成的不规则变化:写出下列单词的比较级和最高级1.good2.comfortable3.big4.happy5.cheap6.many7.difficult8.little

1.good

2.comfortable3.big4.happy5.cheap6.many7.difficult8.littlebetter

bestmore～

most～bigger

biggesthappier

happiestcheaper

cheapestmore

mostmore～

most～less

leastGrammarFocusWhat'sthehighestmountainintheworld?Qomolangma.HowhighisQomolangma?It's8,844.43metershigh.It'shigherthananyothermountain.Whichisthedeepestsaltlakeintheworld?TheCaspianSeaisthedeepestofallthesaltlakes.DidyouknowthatChinaisoneoftheoldestcountriesintheworld?Yes,Idid.It'smucholderthantheUS.4a.Fillintheblankswiththecorrectformsofthewordsinthebox.1.TheAmazonRiverisoneofthe_________riversintheworld.It’salittle________thantheYangtzeRiver.2.Qomolangmais8,844.43meters_______.bigmuchpopularlongoldhighlongestlongerhighIt’soneofthemost __________placesforseriousmountainclimbers.3.Nooceanintheworldisas________asthePacificOcean.4.AlthoughJapanis__________thanCanada,itis _________smaller.popularbigoldermuche.g.Tworivers：_________________and________________________________________________________________________________________________________________________________________________4b.Writetwocomparisonsabouttwotopics.Writetruefacts.

theYangtzeRivertheAmazonRiverTheYangtzeRiverisalmostaslongastheAmazonRiver.TheAmazonislongerthantheYangtze,buttheYangtzeisthelongestriverinChina. Twocities：__________and__________1.______________________________________2.___________________________________________________________________________Twoanimals：__________and__________1.______________________________________2.___________________________________________________________________________Pairwork4c.Writefivequestionsusingcomparisons.Thenaskyourpartneryourquestions.____________________________________________________________________________________________________________________________________________________________________________________Whatisthehighestbuildinginourcity?Whoistheoldestpeopleinourcity?Whatisthemostpopularstreetinourcity?Whatisthemostdeliciousfoodinourcity?Whereisthebusiestroadinourcity?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?WhereareshorteranyotherWhatthinkofshortertheotheranyoneelseshorter一.练习：改写句子二、同义句转换

1.FlatAismoreexpensivethanFlatBFlatBis_______________thanFlatA.FlatBis_______________FlatA.FlatBisnot_________________FlatA.2.IprefermathstoEnglish.

Ilikemaths__________________English.betterthan3.Heisthetalleststudentintheclass.

Heis______________________________intheclass.tallerthananyotherstudentanyother+名词单数lessexpensivecheaperthanasexpensiveas

1.HainanisaverylargeIsland.Itisthesecond_________islandinchina.(large)2.Ourteacherisas______asbefore.(busy).3.Heis______________amongus.(careful)4.LiLeijumpedfar______thanJim.(far)5.Thebusierheis,the________hefeels.(happy)6.IthinkYaoMingisoneof____________basketballplayersinNBA.(hot)busythemostcarefulfartherhappierlargestthehottest三、完成句子Unit7What’sthehighestmountainintheworld?SectionBLead-inDoyoulikeanimals?Whatanimalsdoyoulike?Canyoudescribetheseanimalstous?1a.Comparefactsaboutthesetwoanimals.Usethelanguageintheboxtohelpyoumakesentences.Examplesentence:Thiselephantweighsmanytimesmorethanthispanda.(200cmtaller/shorter,weighmuchmore/less,eatmuchmore/lesseatmanytimesmore)Thiselephantis200cmtallerthanthispanda.Thiselephantweighsmuchmorethanthispanda.Thiselephanteatsmuchmorethanthispanda.1b.Listenandcheck(✓)thenumbersyouhear._____100_____16_____20_____50_____120_____0.1_____0.2______150✓✓✓✓✓1.Atbirth,ababypandaisabout______ to_______kilos.2.Atbirth,ababypandaisabout_____cmlong.3.Ababypandaisnotblack.Itis________andithasno________.4.Apandacanliveupto____ to____years.1c.Listenagainandcompletethesentences.pink0.2150.1teeth20301d.Taketurnstellingyourclassmatesaboutpandas.A:Ababypandacannotsee.B:Anadultpandaweighsmanytimesmorethanababypanda.bigbamboozoo popularcuteblackandwhiteSichuanfamousendangeredbeautifulforestprotect2a.Talkaboutpandasinyourclass.Usethesewordstohelpyou.Pairwork2b.Scanthearticletofindoutwhatthesenumbersmean:10,12,200,2,000.ScanningThismeansmovingyoureyesquicklydownthepagetofindspecificinformation.1.Itis8:30a.m.attheChengduResearchBase.LinWeiandtheotherpandakeepersarepreparingthemilkforthebabypandas’breakfast.At9:00a.m.,theyfindthatmostofthebabiesarealreadyawakeandhungry.Whenthebabiesseethekeepers,theyrunoverwithexcitementandsomeofthemevenwalkintotheirfriendsandfallover!2.“They’resocuteandlovely.Itakecareofthemlikethey’remyownbabies.Iwash,feedandplaywiththemeveryday.They’reveryspecialtome.”3.LinWeilovesherjob,butitisadifficultone.4.Pandasdonothavemanybabies,maybeonlyoneeverytwoyears.Thebabiesoftendiefromillnessesanddonotliveverylong.Adultpandasspendmorethan

12hoursadayeatingabout10kilosofbamboo.Manyyearsago,therewerealotmorebambooforestsandpandasinChina,butthenhumansstartedtocutdowntheforests.Scientistssaytherearenowfewerthan2,000pandaslivingintheremainingforests.Another200

orsoliveinzoosorresearchcentersinChinaandothercountries.5.AneducationprograminChengduteacheschildrenincitiesaboutpandasandotherendangeredanimals.Theysendpeopletoschoolstotellchildrenabouttheimportanceofsavingtheseanimals.Thechildrensingsongsormakeartworkaboutpandasandotherwildanimals.Teachingchildrenisonewaytohelpsavepandas.TheChinesegovernmentisalsoplantingmorebambootreessotherewillbemoreforestsforpandastolivein.Weallhopethatinthefuturetherewillbealotmorepandasthannow.WhatisLinWei’sjob? (para.1)

2.Whatdothebabypandaseatforbreakfast?(para.1)

2c.Scanthearticleagainandwriteshortanswerstothequestions.LinWeiisapandakeeper.Theydrinkmilkforbreakfast.3.Whatdoadultpandaseat?(para.4)

4.Whyarepandasendangered?(para.4)

5.Whatisonewayofsavingpandas?(para.5)Theyeatbamboo.Ononehand,thebabypandasdon’tlivelongbecauseofillnesses;Ontheotherhand,pandasfeedonbamboo,buthumanscutdownthebambooforests.Teachingchildrentheimportanceofsavingpandas/Plantingmorebambootrees.2e.Whatotherwaysdoyouthinkchildrencanhelptosavethepandas?Pairwork1.Thepanda__________ attheChengduResearchBaseareawakeveryearlyinthemorningto_________breakfastforthebabypandas.2.Adultpandasdonothavebabiesvery__________,andsomeofthebabiesonlyliveforashorttimebecauseof___________.2d.Completethesentencesusingwordsandphrasesfromthepassage.keepersprepareoftenillnesses3.Anotherreasonforfewerandfewerpandasisbecausepeoplearecuttingdown____________sopandashavefewerplacestolive.4.AspecialprograminChengduteaches___________aboutwhypandasare_______andhowtosavethem.5.The____________________isalsohelpingtosavethepandas.Itis_____________moretreestomakemorehomesforthepandas.forestschildrenendangeredChinesegovernmentplantingCanyouguess?Theyarehugeanimals.Theyliveinthesea.Theycansingsongs.Theycanjumphighoutofwater.Theyarecleverandalsoveryfriendly.Whatarethey?whale3a.Readthefollowingwordsandphrasesaboutwhales.Puttheminthecorrectplaceinthechart.Humanscatchwhalesformeat,fatandoilEatsmallfishandothersealifeJumphighoutofthewaterRulesonwhaleprotectionHugeWaterpollutionLiveintheseaSomekindshaveteethLearnmoreaboutwhalesStopputtingrubbishintotheseaSingsongsWhalepartssoldtomakethingslikecandlesandsoapWhatdotheylooklike?Wheredotheylive?Whatdotheyeat?Whatcantheydo?Whydosomeofthemhavetobeprotected?Howcanweprotectthem?Huge;SomekindshaveteethLiveintheseaEatsmallfishandothersealifeJumphighoutofthewater;SingsongsHumanscatchwhalesformeat,fatandoil;Waterpollution;WhalepartssoldtomakethingslikecandlesandsoapRulesonwhaleprotection;Learnmoreaboutwhales;StopputtingrubbishintotheseaWhalesare...Theylivein...Theyeat...Theycan...Oneinterestingfactis...Anotherinterestingfactis...Somekindsofwhalesareindangerbecause...Weshouldprotectwhalesfrom...Ithinkpeopleshould/shouldn’t...3b.Writeaparagraphaboutwhalesandwhytheyneedtobeprotected.Usetheinformationin3a.Thenmakeaposter.Unit7What’sthehighestmountainintheworld?SelfCheck1.Completethechart.AdjectivesComparativesSuperlatives

highdangerouslongpopularhigherhighestmoredangerousmostdangerouslongerlongestmorepopularmostpopular2.Matchverbsandobjects.Thenaddonemoreobjecttoeachlist.Verbs

Objects

1.reacha.mylife,mymoney,... 2.achieve b.thetopofamountain,thelibrary,...3.riskc.mydream,success,…ReachthetopofamountainReachthelibraryReachthebusstopReachtheagreement（达成协议）AchievemydreamsAchievesuccessAchievethefirstplaceAchieveourgoalRiskmylifeRiskmymoneyRiskmanagement(风险管理)Riskdefeat(冒着失败的风险)1.Anelephantweighs(few/many)timesmorethanadog.2.Anadultpandacaneat(much/alittle)morethanacat.3.Canadaisa(little/lot)less__________(crowded)thanChina.4.Atigeris(much/alittle)_________(strong)thanaman.3Circlethecorrectwordand/orfillintheblankwiththecorrectformofthewordinbracketsforeachsentence.crowdedstronger1.Paulisvery_______.Heis________thanhisbrother.A.heavyheavier B.heavyheavy C.heavierheavierD.heavyheavyer2.Ithasthe________clothingstoreinthetown.A.goodestB.gooddest C.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.Insummerit’s_______（hot）inWuHanthaninBeijing.5.TheChinesepeoplehaveamuch_______

（good）lifenow.tiredmoretiredthemosttiredmoredifferenteasiertheeasiesthotterbetter三.填空：1.Lilygetsup__________(early)thanLucy.2.Whichgoes______________(slowly),TomorJim?3.Thisbookis_____________________(interesting)thanone.earliermoreslowlymoreinteresting4.Sheworks____________________(careful)inherschool.5.Whogoestobed____________(late)Jim,TomorJack?6.Ithinkturkeyis______________________(delicious)ofall.themostcarefullythelatestthemostdeliciousDiscusswithyourpartnerWhichisthebesttown/city?…hasthebest…isthebestbecause……betterthan…,but…isthemost…IthinkQingdaoisthebestcityinChina,becauseitisthemostbeautiful.ButIthinkBeijingisthemostpopularcityforvisitors.Beijingisnotverycoldinwinter.It’sabout-10°c.Itdoesn’toftenrainorsnow.Hotelsusuallycuttheirpricesinwinter.About200yuananightisenough.SanyaisinHainanProvinceinsouthernChina.It’sstillwarminwinter.It’sabout15°cintheafternoon.Sanyahasbeautifulbeaches.Thepriceofahotelroomisabout320yuananight.SanyaHarbininthenorthofChina(innorthernChina)HarbinisinthenorthofChina.It’scoldinwinter,sometimes-30°c.Touristsneedtowearwarmclothes.ThereisanIceandSnowFestivalinwinter.Ahotelroomisabout230yuananight.Homework1.Howmuchdoyouknowaboutpandas?sharewithyourpartners.Anddiscusshowtoprotectthem.2.Searchmoreinformationaboutwhalesontheinternet.一、用英语写出下列数字：ninety-eightthousandsevenhundredandfifty-fourNinehundredandeighty-threeExercisefivehundred(and)sixty-sixsevenhundredandnine566__________________________________709__________________________________983__________________________________98754_______________________________________________________________3872Threethousandeighthundredandseventy-two46290Forty-sixthousandtwohundredandninety58230Fifty-eightthousandtwohundredandthirty59684,3219,648,215fivehundredandninety-sixeighty-fourthousandthreehundredandtwenty-oneNinemillion,sixhundredandforty-eightthousand,twohundredandfifteen()

1.Thebikecostme________yuan.Afivehundredandforty

Bfivehundredsforty

Cfivehundredforty

DfivehundredfortyA()2.____peopleintheworldaresendingandreceivinge-mailseveryday.

A.Millionof

B.Manymillionsof

C.Severalmillionof

D.SeveralmillionsB二、单项选择。()3._______treeswereplantedonthemo