八年级英语下册 Unit 7 Whats the highest moutain in the world课件3 （新版）人教新目标版.ppt

unit7what sthehighestmountainintheworld sectiona1a 2d squaremeterdeepdesertpopulationasiatour 平方 正方形米 公尺深的 纵深的沙漠人口 人口数量亚洲旅行 旅游 wordsreview touristwallamazingancientthenileqomolangma 旅行者墙令人感到惊叹的古代的尼罗河珠穆朗玛峰 wordsreview protectwideasfarasiknowthecaspianseathesahara 保护 防护宽的 宽阔的就我所知里海撒哈拉沙漠 wordsreview sectiona 9 13 17 20 100 125 178 200 784 952 1000 100 hundred百 1 000 thousand千 10 000 tenthousand万 10 ten十 1 000 000 million百万 1 000 000 000 billion十亿 languagegoal talkaboutgeographyandnature qomolangma qomolangma8 844 43metershigh doyouknow thenile 尼罗河 thenile6 671kilometerslong doyouknow thecaspiansea 里海 thecaspiansea1025metersdeep doyouknow thesahara 撒哈拉沙漠 thesaharaabout9 600 000squarekilometersinsize doyouknow qomolangmaabout9 600 000squarekilometersinsizethesahara1 025metersdeepthecaspiansea6 671kilometerslongthenile8 844 43metershigh 1a matchthefactsyouknow 形容词和副词的比较级和最高级大多数形容词有三个级 原级 常用结构as as 像 一样zhanghongisastallastom 张红和汤姆一样高 2 比较级 用于两者之间的比较 常用结构 形容词比较级 than heistallerthani 他比我高 grammar 3 最高级 用于三者或三者以上的比较 常用结构 the 形容词的最高级 of in heisthetallestofthethree 他是这三个人中最高的 heisthefunniestinhisclass 他是他们班最有趣的 形容词 副词比较级和最高规则变化和不规则变化 规则变化1 一般情况下 单音节或双音节的形容词 或副词 比较级 er 最高级 est如 clever cleverer cleverestfew fewer fewestsmall smaller smallest等 2 以e结尾的词 比较级 r 最高级 st即可 如 nice nicer nicestcute cuter cutestlarge larger largest3 以辅音字母 y结尾的变y为i er或est如 easy easier easiesthappy happier happiest再如 early busy heavy dirty lazy也如此 4 双写最后一个辅音字母 er或est的词 同学要用心去记 fat fatter fattest2 thin thinner thinnest3 hot hotter hottest4 red redder reddest5 wet wetter wettest6 big bigger biggest 5 多音节和部分双音节的词需要在形容词原级前 more构成比较级 themost构成最高级 如 beautiful morebeautiful themostbeautiful又如 delicious popular important interesting expensive creative双音节的词如 careful morecareful themostcarefuluseful moreuseful themostuseful 少数单音节词也是这样 如 pleased morepleased themostpleasedtired moretired themosttiredb 不规则变化 good better bestwell better bestbad worse worstmany much more mostfar farther farthest 距离远 far further furthest 程度深 old elder eldest 长幼 old older oldest 年龄 choosethebestanswer 1 mybrotheris moreoutgoingthanme a manyb littlec much2 october12thwasoneof daysin2005 shenzhou viwaslaunched 发射 successfully a excitingb moreexcitingc themostexciting3 whichcityis beijing shanghaiorfuzhou a beautifulb morebeautifulc themostbeautiful 4 childrenthereareinafamily theirlifewillbe a theless thebetterb fewer richerc thefewer thebetter5 mobilephonesareverypopularnowandtheyare thanbefore a cheapb cheaperc thecheapest6 inourcity it s injuly butit seven inaugust a hotter hottestb hot hotc hot hotter 7 ofthetwoskirts thepinkoneis a thenicestb thenicerc nicer8 jack shandwritingisas asmike s a goodb betterc best9 wecandotheworkbetterwith moneyand people a little fewb less fewerc fewer less10 jimisthetalleststudentinourclassandtomisthesecond one a tallb tallerc tallest finishthesentenceswiththerightformsoftheadjs 1 kateisyoung butjoeis 2 myshoesarenew mysister sare thanmine 3 herbagisheavy andhisis thanhers butyoursis ofall younger newer heavier theheaviest 4 tom skiteishigh jim sis thantom s mike sis ofthemall 5 billisseven johnisnineandtomiseleven tomis thanjohnandbill billis thanjohn billis andtomis ofthethree thehighest older younger theyoungest theoldest higher 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 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 a didyouknowthatchinaisoneoftheoldestcountriesintheworld b yes idid it smucholderthanmycountry 2c makeconversationsusingtheinformationin2a groupwork 2dreadtheconversationandanswerthequestions 1 whichisthebiggestman madeobjectsintheworld 2 whydidtheancientemperorsbuildthewall 3 whichisthemostfamouspartoftheminggreatwall thegreatwall badalingpart theybuiltthewalltoprotecttheirpartofthecountry guide 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 guide askme ontoday s tourist1 isthewall guide ah the question ifwe reonly thepartsfrom it sabout8 850 thismakesit intheworld tourist2 wow that s whydidtheancientemperors guide the wasto thepartofthecountry it squitetallandwide thereareno as asthis tourist3 isbadaling theminggreatwall guide yes it s part 预习检测dangern adj successn adj v difficultadj n climbv n achievev n 写出以下形容词的比较级和最高级dangerous popular high famous serious dangerous successful difficulty climber achievement moredangerous themostpopular morepopular highest themostfamous higher morefamous themostserious moreserious themostdangerous succeed whatsportdoyoulike whichofthefollowingsportsdoyouthinkisthemostdangerous whatsportdoyoulike whichofthefollowingsportsdoyouthinkisthemostdangerous whatsportdoyoulike whichofthefollowingsportsdoyouthinkisthemostdangerous whatsportdoyoulike whichofthefollowingsportsdoyouthinkisthemostdangerous whatsportdoyoulike whichofthefollowingsportsdoyouthinkisthemostdangerous whatsportdoyoulike whichofthefollowingsportsdoyouthinkisthemostdangerous whatmightbethedangersofmountainclimbing freezingweatherconditions冰冷的天气条件toomanypeople太多的人behardtakeinair很难吸入空气thickclouds厚重的云彩behardtofindthewayhome很难找到回家的路havetofightwiththedangerousanimals不得不与危险的动物作斗争 3a readthearticleandmatcheachparagraphwiththemainideas qomolangma themostdangerousmountainintheworld oneoftheworld smostdangeroussportsismountainclimbing andoneofthemostpopularplacesforthisisthehimalayas thehimalayasrunalongthesouthwesternpartof china ofallthemountains qomolangmarisesthehighestandisthemostfamous itis8 844 43metershighandsoisverydangeroustoclimb thickcloudscoverthetopandsnowcanfallveryhard evenmoreseriousdifficultiesincludefreezingweatherconditionsandheavystorms itisalsoveryhardtotakeinairasyougetnearthetop paragraph1listfivedangersforclimbers thickcloudssnowslide freezingweatherconditions heavystorm veryhardtotakeintheair 3b readthearticleagainandcompletethechart writedownthefollowingphrases登山蜿蜒中国的西南部在所有的山当中冰冻的天气条件大的暴风雪吸入靠近山顶 mountainclimbing runalong thesouthwesternpartofchina freezingweathercondition heavystorm takein getnearthetop ofallthemountains wherearethehimalayas 2 howhighisqomolangma 3c answerthequestionsusinginformationfromthearticle thehimalayasrunalongthesouthwesternpartofchina itis8 844 43metershigh oneoftheworld s sportsis andoneofthe forthisisthehimalayas thehimalayas the qomolangmarises andis itis8 844 43 andsoisverydangerous thickclouds andsnowcanfall even difficultiesinclude and itisalsoveryhardto airasyou thefirstpeopletoreachthetopweretenzingnorgayandedmundhillaryonmay29 1953 thefirstchineseteamdidsoini960 whilethefirstwomantosucceedwasjunkotabeifromjapanin1975 paragraph2listthreeachievements 1953 tenzingnorgayandedmundhillarywerethefirsttoreachthetop 1960 thefirstchineseteamdidso 1975 thejapanesejunkotabeisucceededdoingso thefirstpeopleto weretenzingnorgayandedmundhillary may29 1953 thefirstchineseteam ini960 thefirstwoman wasjunkotabei in1975 whydosomanyclimbersrisktheirlives oneofthemainreasonsisbecausepeoplewanttochallengethemselvesinthefaceofdifficulties thespiritoftheseclimbersshowsusthatweshouldnevergiveuptryingtoachieveourdreams italsoshowsthathumanscansometimesbestrongerthantheforcesofnature paragraphs1 3listfourcomparisons mostdangeroussport mostpopularplaces thehighestmountain themostfamousmountain writedownthefollowingphrases到达山顶太多冒着某人的生命危险主要原因之一挑战某人自己面对 问题 困难 的精神放弃尽力做某事完成某人的梦想大自然的力量 reachthetop toomany riskone slife oneofthemainreasons challengeoneself inthefaceof thespiritof giveup achieveone sdream trytodosth theforcesofnature 3 whydosomanypeopletrytoclimbthismountaineventhoughitisdangerous 4 whatdoesthespiritoftheclimberstellus oneofthemainreasonsisbecausepeoplewanttochallengethemselvesinthefaceofdifficulties thespiritoftheseclimbersshowsusthatweshouldnevergiveuptryingtoachieveourdreams italsoshowsthathumanscansometimesbestrongerthantheforcesofnature whydo climbers oneof isbecausepeoplewantto inthefaceofdifficulties theseclimbersshowsusthatweshouldnever tryingto italsoshowsthathumanscansometimes thanthe 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 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 jack sgottwinsisters 就我所知 杰克有一对孪生姐妹 they renotcomingtoday 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 more most biggerbiggest happierhappiest cheapercheapest moremost more most 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 review canyoutranslatethefollowingsentences 长江大约长6 300千米 theyangtzeriverisabout6 300kilometerslong review canyoutranslatethefollowingsentences 黄河长5 464千米 theyellowriveris5 464kilometerslong review canyoutranslatethefollowingsentences 明朝的长城大约有8 850千米长 thegreatwallinmingdynastyisabout8 850kilometerslong review canyoutranslatethefollowingsentences 珠穆朗玛峰高8 844 43米 所以攀登起来很危险 qomolangmais8 844 43metershighandsoisverydangeroustoclimb nowlet strytotranslatethesentencesbelow 那个篮球运动员有两米高 那条河只有两米深 宽 这棵树有两米高 那条河长两千米 thebasketballplayeristwometerstall theriverisonlytwometersdeep wide thetreeistwometerstall theriverisabouttwokilometerslong 5 这座山大约有两千米高 6 这个箱子大约有两米高 宽 长 themountainisabouttwothousandmetershigh theboxisabouttwometershigh wide long grammarfocus 大多数形容词有三个级 1 原级 structure as as 像 一样e g timisastallastom 2 比较级 用于两者之间的比较 structure 形容词比较级 than e g thisboxisbiggerthanthatone 形容词和副词的比较级和最高级 比较级考点 比较级修饰问题alittle abit even still much alot far等可修饰比较级 e g tomisalittletallerthanjim thisbookismuchmoreinterestingthanthatone 中考链接 同级比较e g theweatherinbeijingiscolderthanthatinxi an ourschoolisbiggerthanyours the 比较级e g lucyisthefatterofthetwogirls a an 比较级 表示 又一 再一 e g lilyhasadoll butshewantsabiggerone 隐性比较 没有than的情况 e g whorunsfaster lucyorlily you dbettercomeearliernexttime heworkedhardlastterm butheworksevenharderthisterm 越来越 比较级 and 比较级b the 比较级 句子 the 比较级 句子e g it sgettingcolderandcolder themoreyouexercise thebetteryouare 3 最高级 用于三者或三者以上的比较 常用结构 the 形容词的最高级 of in heisthetallestofthethree 他是这三个人中最高的 heisthefunniestinhisclass 他是他们班最有趣的 2 最高级考点说明 形容词的最高级前必须加the 副词的最高级前省略the 范围问题e g tomisthetalleststudentintheclass springisthebestseasonoftheyear 之一 问题e g beijingisoneofthebiggestcitiesintheworld the 序数词 最高级 e g ithinkheisthesecondtallestboyinhisclass 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 总结 anyother 名词单数theother 名词复数 否定 比较级 最高级比较级 极限 最高级 fillintheblankswiththecorrectformsofthewordsinthebox bigmuchpopularlongoldhigh 1 theamazonriverisoneofthe riversintheworld it salittle thantheyangtzeriver 2 qomolangmais8 844 43meters it soneofthemost placesforseriousmountainclimbers longest longer high popular 4a 3 nooceanintheworldisas asthepacificocean 4 althoughjapanis thancanada itis smaller big older much 太平洋 n 大海 海洋 e g tworivers and 4b writetwocomparisonsabouttwotopics writetruefacts theyangtzeriver theamazonriver theyangtzeriverisalmostaslongastheamazonriver theamazonislongerthantheyangtze buttheyangtzeisthelongestriverinchina twocities and 1 2 twoanimals and 1 2 pairwork 4b writetwocomparisonsabouttwotopics writetruefacts twocities and 1 singaporekualalumpur kualalumpurisasmodernassingapore 2 singaporeisbiggerthankualalumpurandhasalargerpopulationthankualalumpur twoanimals and 1 2 monkeydog adogisbiggerthanamonkey amonkeyissmallerthanadog butitclimbsatreefasterthanadog 4c writefivequestionsusingcomparisons thenaskyourpartneryourquestions whatisthehighestbuildinginourcity whoistheoldestpeopleinourcity whatisthemostpopularstreetinourcity whatisthemostdeliciousfoodinourcity whereisthebusiestroadinourcity whichisthebestplaceforourschooltrip s1 thezooisthebestplacetogo itistheclosesttoourschool s2 thezooisbiggerthanthemuseumandthepark thereisababypandainthezoo wecanlearnmoreaboutpandas s3 itisthemostinterestingplace manyanimalsarelivingthere ihearthereisadolphinshowatthreeo clockeveryafternoon s4 itismoreinterestingthantheparkandthemuseum wecanseenotonlythepandasbutalsomanyotheranimals 汇报框架wethink isthebestplaceforustogoonaschooltrip ofalltheplaces itisthe andwecanalso soweallthinkitisagoodideatovisit grammarfocus 一 数词numeral 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 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 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 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 unit7what sthehighestmountainintheworld sectionb 1a comparefactsaboutthesetwoanimals usethelanguageintheboxtohelpyoumakesentences thiselephantis350cmtall itweighs5 000kilos iteats150kilosoffoodaday thispandais150cmtallwhenitisstandingontwolegs itweighs100kilos iteats10kilosoffoodaday examplesentence thiselephantweighsmanytimesmorethanthispanda 200cmtaller shorter weighmuchmore less eatmuchmore lesseatmanytimesmore thiselephantis200cmtallerthanthispanda thiselephantweighs50timesmorethanthispanda 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 pink 0 2 15 0 1 teeth 20 30 1d taketurnstellingyourclassmatesaboutpandas a ababypandacannotsee b anadultpandaweighsmanytimesmorethanababypanda bigbamboozoop