八年级英语下册unit7PPT课件

Unit7What sthehighestmountainintheworld SectionA latelater latest earlyearlier earliest bigbigger biggest fluently difficultmore most 重读闭音节 末尾只有一个辅音字母双写加 er或 est 单音节词在词尾比较级加 er或最高级加 est 以e结尾的词 只需加 r或 st 以辅音字母加y结尾双音节词变y为i加 er或 est 部分双音节和多音节词在原级前加more或most 少数以er ow结尾的双音节词加 er est talltaller tallest clevercleverer cleverest cheap cold small warm young high fine nice safe happy busy dirty easy lazy pretty fat hot red thin wet sad narrow yellow quickly slowly useful careful popular modern 形容词和副词比较级和最高级构成 规则变化 不规则变化 形容词与副词的原级 1 无比较对象时用 Iamtall Heishungry 2 原级前的修饰词 veryquitesotoopretty 3 肯定as 原级 as Artisasinterestingasmusic Playaswellasyoucan 4 否定not as so 原级 asEnglishisnotso asdifficultasscience Shedoesnotstudyso aswellasIdo 形容词和副词比较级的用法 1 Whorunsfaster heorshe 2 Herunsfasterthanshe 3 Herunsmuchfasterthanshe 4 Hebecomeshealthierandhealthier 5 Themoreyouexercise thehealthieryouwillbe 6 Sheislesshealthythanhe 1 表示两者之间的选择 可用 Which Who 比较 or 2 表示两者之间的比较 通常用连词than引导 表示 更 一些 3 much far alot even still alittle abit 修饰比较级 表示程度 Whorunsfaster heorshe Herunsfasterthanshe Herunsmuchfasterthanshe 4 比较级 and 比较级 表示 越来越 5 the 比较级 the 比较级 表示 越 越 6 表示不及另一方时 用 less 原级 than 双音节和多音节词 Hebecomeshealthierandhealthier Themoreyouexercise thehealthieryouwillbe Sheislesshealthythanhe Heishealthierthanshe Shanghaiisbecomingmoreandmoremodern 1 比较级 and 比较级越来越 2 the 比较级 the 比较级越 越 3 youare mistakesyouwillmake 你越仔细 做错的题目就越少 4 youeat you llbe 你吃得越多 就越胖 5 Alicewriteswell Marywrites thanshe 甚至更好 Themorecareful thefewer Themore thefatter 1 Thegirlbecomes 越来越漂亮 moreandmorebeautiful 2 Theweatherisgetting 越来越槽糕 worseandworse even stillbetter 1 表示三者或三者以上比较 可用 Which Who 最高级 or 表示 2 最高级 of among 同类比较 in 范围比较 4 oneof 形容词最高级 名词复数表示 最 之一 3 序数词修饰最高级 形容词和副词的最高级的用法 Whoisthetallest Tom Mike orJack Tomisthetallestofthethree Mikeisthesecondtalleststudentinourclass Jackisoneofthetalleststudentsinourclass Tomruns the fastestinourclass 3 LinTaois intheclassbecausehenevergetstoschoolontime 最懒的学生之一 4 Edisonwas intheworld 最伟大的发明家之一 oneofthelazieststudents oneofthegreatestinventors TheYangtzeRiveris riverintheworld 第三长河 thethirdlongest 2 TheAtlanticis oceanintheworld 第二大洋 thesecondbiggest Exercise 一 翻译句子 二 同义句转换 1 FlatAismoreexpensivethanFlatBFlatBis thanFlatA FlatBis FlatA FlatBisnot FlatA 2 IprefermathstoEnglish Ilikemaths English betterthan 3 Heisthetalleststudentintheclass Heis intheclass tallerthananyotherstudent anyother 名词单数 less expensive cheaper than as expensive as 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 busy themostcareful farther happier largest thehottest 三 完成句子 1 Completethechart higher highest moredangerous mostdangerous longer longest morepopular mostpopular Theworld shighestmountainintheworld Doyouknowhowhighitis Itis8 844metershigh Qomolangma DoyouknowSaharaisthebiggestdesertintheworld Yes itisabout9 600 000squarekilometersinsize Sahara Theworld sdeepestsaltlake TheCaspianSea Doyouknowthathowdeeptheworld sdeepestSaltlake Yes itis1 025metersdeep theNile thelongestriverintheworld It s6 671kilometerslong Thesecondlongestriverintheworld Doyouknowitsname ItisAmazon Doyouknowhowlongitis It sabout6 500kilometerslong ThelongestriverinAsia TheYangtzeRiver DoyouknowthattheYangtzeRiveristhelongestriverinAsia Yes itis6 300kilometerslong It s8 844metershigh 它有8 844米高 Itis metershigh long wide 它 米高 长 宽 有多长 宽 高 时 将数词和数量单位放在表示长宽高的形容词前 翻译句子1 这张桌子两米长 一米宽 2 这座山有1500米高 3 这栋楼120米高 4 这本字典有五厘米厚 5 这个湖有多深 1025米深 Thetableistwometerslongandonemeterwide Themountainis1 500metershigh Thebuildingis120meterstall Thedictionaryisfivecentimetersthick Howdeepisthelake It s1 o25metersdeep 你能写出它的同义句吗 Themountainis1 500metershigh Themountainis1 500metersinheight Theheightofthemountainis1 500meters 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 4a Fillintheblankswiththecorrectformsofthewordsinthebox 1 TheAmazonRiverisoneofthe riversintheworld It salittle thantheYangtzeRiver 2 Qomolangmais8 844 43meters bigmuchpopularlongoldhigh longest longer high It soneofthemost 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 4c Writefivequestionsusingcomparisons Thenaskyourpartneryourquestions Whatisthehighestbuildinginourcity Whoistheoldestpeopleinourcity Whatisthemostpopularstreetinourcity Whatisthemostdeliciousfoodinourcity Whereisthebusiestroadinourcity TheYangtzeRiverisabout kilometerslongandtheYellowRiveris kilometerslong Chinahasthebiggestpopulationintheworld It salotbiggerthanthepopulationoftheUS 2a Listenandnumberthefacts 1 4 intheorderyouhearthem 6 3005 0005 464300 2 4 Chinaisover yearsold IthasamuchlongerhistorythantheUS TheUSisnoteven yearsold ChinaisalmostasbigastheUS anditisthebiggestcountryinAsia 1 3 2b Listenagainandfillintheblanksin2awiththenumbersinthebox TheYangtzeRiverisabout kilometerslongandtheYellowRiveris kilometerslong Chinahasthebiggestpopulationintheworld It salotbiggerthanthepopulationoftheUS 6 3005 0005 464300 2 4 6 300 5 464 Chinaisover yearsold IthasamuchlongerhistorythantheUS TheUSisnoteven yearsold ChinaisalmostasbigastheUS anditisthebiggestcountryinAsia 1 3 5 000 300 population的用法 1 WhatisthepopulationinChina HowlargeisthepopulationofChina It s1300000000 2 ThepopulationofBeijingis500000 Beijinghasapopulationof500000 Beijing spopulationis500000 Beijingisacitywithapopulationof500000 3 ThepopulationofChinaisbigger largerthanthatoftheUSA ThepopulationoftheUSAissmallerthanthatofChina A DidyouknowthatChinaisoneoftheoldestcountriesintheworld B Yes Idid It smucholderthanmycountry 2c Makeconversationsusingtheinformationin2a Groupwork Guide Feelfreetoaskmeanythingontoday sGreatWalltour Tourist1 Howlongisthewall Guide Ah themostpopularquestion Ifwe reonlytalkingaboutthepartsfromtheMingDynasty it sabout8 850kilometerslong Thismakesitthelongestwallintheworld 2d Role playtheconversation 1Feelfreetoaskmeanythingontoday sGreatWalltour 在今天的长城游中 大家尽管随意问我任何问题 feelfreetodosth随意做某事CanIuseyourbathroom Yes feelfree 2ancientadj 古代的古老的Mygrandmotheroftentellsmeoldancientstories 3protectv 保护Sunglassesareusedforprotectingoureyesinthesun 4AsfarasIknow therearenoman madeobjectsasbigasthis 据我所知 再没有像它这样大的人造物体了 asfarasIknow据我所知AsfarasIknow Tomhasatwinsister 5achievementn 成就成绩achievev ThisisawonderfulachievementinChinesehistory 6southwesternadj 西南的southwestn Ourhometownisinthesouthwesternpartofthiscity 7thickadj 厚的浓的Thereisthickfoginthemorninginthismountainarea 8Evenmoreseriousdifficultiesincludefreezingweatherconditionsandheavystorms 更加严峻的困难包括极冷的天气状况和巨大的风暴 1 difficulty困难Ifyouhaveanydifficulties youcancallmeforhelp Wefoundthehousewithoutdifficulty 2 includev 包括OursubjectsincludeChinese Englishmathandsoon 9freezingadj 冰冻的Itisfreezingoutside andputonyourwintercoat 10conditionn 条件状况Thepianowasingoodcondition 11takeinLargefishtakesinsmallfishinthesea 12succeedv 成功successn successfuladj successfullyadv Ihopeshewillsucceedsoonbyworkinghard 13challengev 挑战Itisabigchallengeforthegirltodohouseworkbyherself Theboychallengedhisfriendtoafightafterschool 14inthefaceof面对Theyshowedtheircourageinthefaceofdifficulty 15Thespiritoftheseclimbersshowsusthatweshouldnevergiveuptryingtoachieveourdreams 这些登山者的精神向我们表明 我们决不应该放弃实现自己的梦想的尝试 1 giveupdoingsth放弃做某事Hegaveupsmokingafterhegotoutofthehospital 2 achieveourdream实现 makeourdreamcometrueHeachievedgreatsuccessinashorttime 16forcen 力量Thearmywasthemostimportantforceinthecountry 17naturen 大自然Thebeautyofnaturemakespeopleforgettrouble Paragraph1Listfourdangersforclimbers thickcloudshardtotakeinair Freezingweatherconditions Heavystorms 3b Readthearticleagainandcompletethechart Paragraph2Listthreeachievements 1953 TenzingNorgayandEdmundHillarywerethefirsttoreachthetop 1960 ThefirstChineseteamdidso 1975 theJapaneseJunkoTabeisucceededdoingso Paragraphs1 3Listfourcomparisons mostdangeroussport mostpopularplaces thehighestmountain themostfamousmountainbestrongerthantheforcesofnature WherearetheHimalayas 2 HowhighisQomolangma 3c Answerthequestionsusinginformationfromthearticle TheHimalayasrunalongthesouthwesternpartofChina Itis8 844 43metershigh 3 Whydosomanypeopletrytoclimbthismountaineventhoughitisdangerous 4 Whatdoesthespiritoftheclimberstellus Oneofthemainreasonsisbecausepeoplewanttochallengethemselvesinthefaceofdifficulties Thespiritoftheseclimbersshowsusthatweshouldnevergiveuptryingtoachieveourdreams Italsoshowsthathumanscansometimesbestrongerthantheforcesofnature 2 Matchverbsandobjects Thenaddonemoreobjecttoeachlist ReachthetopofamountainReachthelibraryReachthebusstopReachtheagreement 达成协议 AchievemydreamsAchievesuccessAchievethefirstplaceAchieveourgoal Unit7What sthehighestmountainintheworld SectionB 1a Comparefactsaboutthesetwoanimals Usethelanguageintheboxtohelpyoumakesentences Examplesentence Thiselephantweighsmanytimesmorethanthispanda 200cmtaller shorter weighmuchmore less eatmuchmore lesseatmanytimesmore Thiselephantis200cmtallerthanthispanda Thiselephanteatsmanytimesmorethanthispanda Thiselephanteatmuchmorethanthispanda 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 pink 0 2 15 0 1 teeth 20 30 1d Taketurnstellingyourclassmatesaboutpandas A Ababypandacannotsee B Anadultpandaweighsmanytimesmorethanababypanda 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 crowded stronger bigbamboozoopopularcuteblackandwhiteSichuanfamousendangeredbeautifulforestprotect 2a Talkaboutpandasinyourclass Usethesewordstohelpyou Pairwork 2b Scanthearticletofindoutwhatthesenumbersmean 10 12 200 2 000 ScanningThismeansmovingyoureyesquicklydownthepagetofindspecificinformation Itis8 30a m attheChengduResearchBase LinWeiandtheotherpandakeepersarepreparingthemilkforthebabypandas breakfast At9 00a m theyfindthatmostofthebabiesarealreadyawakeandhungry Whenthebabiesseethekeepers theyrunoverwithexcitementandsomeofthemevenwalkintotheirfriendsandfallover They resocuteandlovely Itakecareofthemlikethey remyownbabies Iwash feedandplaywiththemeveryday They reveryspecialtome LinWeilovesherjob butitisadifficultone Pandasdonothavemanybabies maybeonlyoneeverytwoyears Thebabiesoftendiefromillnessesanddonotliveverylong Adultpandasspendmorethan12hoursadayeatingabout10kilosofbamboo Manyyearsago therewerealotmorebambooforestsandpandasinChina butthenhumansstartedtocutdowntheforests Scientistssaytherearenowfewerthan2 000pandaslivingintheremainingforests Another200orsoliveinzoosorresearchcentersinChinaandothercountries AneducationprograminChengduteacheschildrenincitiesaboutpandasandotherendangeredanimals Theysendpeopletoschoolstotellchildrenabouttheimportanceofsavingtheseanimals Thechildrensingsongsormakeartworkaboutpandasandotherwildanimals Teachingchildrenisonewaytohelpsavepandas TheChinese governmentisalsoplantingmorebambootreessotherewillbemoreforestsforpandastolivein Weallhopethatinthefuturetherewillbealotmorepandasthannow WhatisLinWei sjob 2 Whatdothebabypandaseatforbreakfast 2c Scanthearticleagainandwriteshortanswerstothequestions Apandakeeper Themilk 3 Whatdoadultpandaseat 4 Whyarepandasendangered 5 Whatisonewayofsavingpandas Bamboo 1 Thenumberofpandasisgettingthinner 2 Thepandasdon thavemanybabies 3 Thebabiesoftendiefromillness 4 Humanscutdownthebambooforests Teachingchildrentheimportanceofsavingpandas Plantingmorebambootrees 1 Thepanda attheChengduResearchBaseareawakeveryearlyinthemorningto breakfastforthebabypandas 2 Adultpandasdonothavebabiesvery andsomeofthebabiesonlyliveforashorttimebecauseof 2d Completethesentencesusingwordsandphrasesfromthepassage keepers prepare often illnesses 3 Anotherreasonforfewerandfewerpandasisbecausepeoplearecuttingdown sopanda