英语人教版八年级下册unit71a-2d.ppt

英语教学课件 八年级下 Unit7What sthehighestmountainintheworld SectionAPeriodOne squaremeterdeepdesertpopulationAsiafeelfreetour n 平方 正方形n 米 公尺adj 深的 纵深的n 沙漠n 人口 人口数量n 亚洲 可以 随便 做某事 n v 旅行 旅游 WordsReview 单击播放录音 touristwallamazingancientprotectwideasfarasIknowman made n 旅行者 观光者n 墙adj 令人大为惊奇的 令人惊喜的adj 古代的 古老的v 保护 防护adj 宽的 宽阔的就我所知adj 人造的 WordsReview What sthehighestmountainintheworld Howhighisit Doyouknow Qomolangma Qomolangmaisthehighestmountainintheworld Itis8 844 43metershigh Nowlet enjoythebeautifulscenesofQomolangma Whatdoyouknowaboutthefollowingnumbers 1 025metersdeep TheCaspianSea Whatdoyouknowaboutthefollowingnumbers 6 671kilometerslong TheNile Whatdoyouknowaboutthefollowingnumbers 9 600 000squarekilometersinsize TheSahara Objectives 1 Tolearntocomparefacts2 Tolearntoexpresslargenumbers3 Tolearntotalkaboutgeographyandnature4 Tolearnnewwords square meter deep desert population Asia tour tourist wall ancient protect wide Matchthefactsyouknow 1a QomolangmaTheSaharaTheCaspianSeaTheNile about9 600 000squarekilometersinsize1 025metersdeep6 671kilometerslong8 844 43metershigh Listenandcompletethesentences Qomolangmais thananyothermountainintheworld TheSaharais desertintheworld TheCaspianSeais ofallthesaltlakes TheNileis riverintheworld 1b higher thebiggest thedeepest thelongest 听力原文 A Whatisthehighestmountainintheworld B Qomolangma 1c Pairwork Usetheinformationin1btomakeconversations A Whatisthebiggestdesertintheworld B TheSahara Example1 A Whatisthelongestriverintheworld B TheNile Example2 Listenandnumberthefacts 1 4 intheorderyouhearthem TheYangtzeRiverisabout kilometerslongandtheYellowRiveris kilometerslong Chinahasthebiggestpopulationintheworld It salotbiggerthanthepopulationoftheUS Chinaisover yearsold IthasamuchlongerhistorythantheUS TheUSisnoteven yearsold ChinaisalmostasbigastheUS anditisthebiggestcountryinAsia 2a 1 4 3 2 TheYangtzeRiverisabout kilometerslongandtheYellowRiveris kilometerslong Chinahasthebiggestpopulationintheworld It salotbiggerthanthepopulationoftheUS Chinaisover yearsold IthasamuchlongerhistorythantheUS TheUSisnoteven yearsold ChinaisalmostasbigastheUS anditisthebiggestcountryinAsia Listenagainandfillintheblanksin2awiththenumbersinthebox 2b 6 300 5 464 5 000 300 6 3005 0005 464300 1 4 3 2 听力原文 A DidyouknowthatChinaisoneoftheoldestcountriesintheworld B Yes Idid It smucholderthanmycountry 2c Pairwork Makeconversationsusingtheinformationin2a A DidyouknowthatChinahasthebiggestpopulationintheworld B Yes Idid It salotbiggerthanthepopulationoftheUS Example1 A DidyouknowthatChinaisthebiggestcountryinAsia B Yes Idid It salmostasbigastheUS Example2 A DidyouknowthatYangzeRiverismuchlongerthantheYellowRiver B No Ididn t Howlongisit A It s6 300kilometerslong B Wow That sverylong Example3 HowlongistheGreatWall Readthedialoguein2d thenanswerthequestionsbelow FromtheMingDynasty it sabout8850kilometerslong Themainreasonwastoprotecttheirpartofthecountry Yes it sthemostfamouspart 2 Whydidtheancientemperorsbuildthewall 3 IsBadalingpartoftheMingGreatWall Readandtrytorecitetheconversationsin5 10minutes Role play 1 Roleplaytheconversationingroups 2 Roleplaytheconversationinfrontoftheclass Let sseewhichgroupdoesthebest 2d Guide askmeanythingontoday sGreatWalltour Tourist1 isthewall Guide Ah popularquestion Ifweareonly thepartsfromtheMingDynasty it sabout8850kilometerslong Thismakesit wallintheworld Tourist2 Wow that samazing Whydidtheancientemperorsbuildthewall Guide The wastoprotecttheirpartofthecountry it s therearenootherman madeobjects this Tourist3 IsBadalingpartoftheMingGreatWall Guide Yes Feelfreeto Howlong themost talkingabout thelongest mainreason Asyoucansee quitetallandwide AsfarasIknow asbigas it sthemostfamouspart Readthedialoguein2d thenfillintheblanksbelow Guide Feeltoaskfreemetoday sanythingonGreatWalltour Tourist1 Howisthelongwall Guide Ah thepopularquestionmost IfweareonlyaboutthepartstalkingfromtheMingDynasty it saboutkilometers8850long Thismakesitthewallinlongesttheworld Tourist2 Wow amazingthat s Whydidtheemperorsancientwallbuildthe Feelfreetoaskmeanythingon today sGreatWalltour Howlongisthewall Ah themostpopularquestion Ifwe areonlytalkingaboutthepartsfromtheMingDynasty it sabout8850kilometerslong Thismakesitthelongestwallintheworld Wow that samazing Whydid theancientemperorsbuildthewall Readtheconversationin2dandlearnitbyyourheart Thentrytomaketheconversationintherightorder Guide Themainwastoprotectreasontheirpartofthecountry Ascanyousee it stallquiteandwide AsknowfarasI thereotherman madearenobigobjectsasasthis Tourist3 IspartoftheMingBadalingGreatWall Guide Yes it sthefamousmostpart Themainreasonwastoprotecttheir partofthecountry Asyoucansee it squitetallandwide AsfarasIknow therearenootherman madeobjectsasbigasthis IsBadalingpartoftheMing GreatWall Yes it sthemostfamouspart Todaylet stalkabouttheGreatWall ThepartsfromtheMingDynastyisabout8850kilometerslong This Itwasbuiltto theirpartofthecountry AndthemostfamouspartisBadalingpartoftheMingGreatWall makesitthelongestwallintheworld protect Languagepoints部分供教师根据学生学习理解的实际程度穿插选择讲解 1 population population 人口数量 谓语动词要用单数形式 询问人口数量时要用 What sthepopulationof 提问 而不用howmany或howmuch等提问 表示人口 多 要用large或big 表示人口 少 要用small Languagepoints Practise 这个城市的人口是600万 Thepopulationofthiscityissixmillion 中国的人口比美国的人口多很多 ThepopulationofChinaismuchlargerthanthatoftheUSA 2 Qomolangmais8 844 43metershigh Itis metershigh long wide 它 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 这座山高三千多米 Themountainismorethanthreethousandmetershigh 它离我们只有三十八万公里 Itisonly380 000kilometersaway 这座绿色长城长7 000公里 TheGreenGreatWallis7 000kilometerslong Practise 3 Qomolangmaishigherthananyothermountainintheworld anyother 可数名词单数 在同一范围内除了某人或某物以外的其他人或物 彼得跑的比他班里的其他任何同学都要快 Peterrunsfasterthananyotherstudentinhisclass thatChinais 是know的宾语从句 尽管主句的动词是过去时态 但由于宾语从句陈述的是客观事实 所以从句仍用一般现在时 4 DidyouknowthatChinaisoneoftheoldestcountriesintheworld 5 It smucholderthanmycountry much 比较级 得多 在形容比较级前还可以用much even alittle still alot less等修饰词表示程度 Practise 他比我跑得更快 HerunsevenfasterthanI 日本土地面积只比德国大一点儿 JapanisalittlelargerthanGermanyinarea 6 AsfarasIknow therearenootherman madeobjectsasbigasthis asfarasIknow 就我所知 其他常用口语表达有as sofarasIcanremember Icantell Icansee等 Practise 根据我记得的 她过去住在芝加哥 ShelivedinChicago asfarasIcanremember asfaras也可表示 远至 在否定句中也可用sofaras Practise 我们坐火车到北京 然后转乘公共汽车 WewillgobytrainasfarasBeijing andthentakeabus 我们不如其他人走得远 Wedidn tgoas sofarastheothers man made为合成形容词 人造的 类似的与 made复合而成的形容词还有 handmade 手工制作的 homemade 家庭制作的 machine made 机制的 tailor made 量体定制的 特制的 定做的 self made 自学而成的 自我奋斗而成的 天然形成的 Practise 面包和糕点都是自家做的 Thebreadandpastryarehomemade 这个电影角色是专为那位男演员量身设计的 Thismovierolewastailor madeforthatactor 7 Themainreasonwastoprotecttheirpartofthecountry protect vt 保护 防护 protect from against 保护 免受 protection 不可数名词 保护 保卫 我们应该保护环境 Weshouldprotecttheenvironment 他带着太阳镜以保护眼睛免受强烈阳光的伤害 Hewearssunglassestoprotecthiseyesfromthestrongsunlight Quiz 注 另附word文档 点击此处链接 1 Thep inourhometownisverylarge 2 Wet bycareverysummer 3 Wehavetomakeplanstop theendangeredanimals 4 Theycametoa 宽阔的 river 5 Some 古老的 townshavewallsaroundthem opulation our rotect wide 根据提示完成句子 ancient 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 electricityyouuse yourbillwillbe A Thehigher thebetterB Fewer betterC Themore thehigher5 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 ofthema