八下unit7 sectionA 1a-2d 课件.ppt

Unit7What sthehighestmountainintheworld SectionA1a 2d Let stalk Whatdowelearninageographyclass geography Let senjoythebeautyofnature mountain desert river lake ocean freshlake saltlake Whatisthelongestriverintheworld TheNile TheNileIt s6 671kilometerslong Howlongisit Whatisthebiggestdesertintheworld TheSahara TheSaharais9 600 000squarekilometersinsize HowbigistheSahara Whatisthehighestmountainintheworld Qomolanga Qomolangma It s8 844 43metershigh Howhighisit Whatisthedeepestsaltlakeintheworld TheCaspianSea TheCaspianSeais1 025metersdeep Howdeepisit Qomolangmaabout9 600 000squarekilometersinsizeTheSahara1 025metersdeepTheCaspianSea6 671kilometerslongTheNile8 844 43metershigh 1a Matchthefactsyouknow Itis metershigh long wide deep 它有 米高 长 宽 深 注意 在英语中表示某物体 有多长 宽 高 深 时 将数词和数量单位放在表示长 宽 高 深的形容词前 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 025metersdeep 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 TheSahara A Whatisthedeepestsaltlakeintheworld B TheCaspiansea Pairwork A Whatisthelongestriverintheworld B TheNile TheYangtzeRiveristhelongestriverinChina thefirstlongestriverinAsia thethirdlongestriverintheworld It s6300kilometerslong TheYangtzeRiver It sthelongestriverinAsia TheYangtzeRiver DoyouknowthattheYangtzeRiveristhelongestriverinAsia Yes itis6 300kilometerslong 2aListenandnumberthefacts 1 4 intheorderyouhearthem 6 3005 0005 464300 TheYangtzeRiverisabout kilometerslongandtheYellowRiveris kilometerslong Chinahasthebiggestpopulationintheworld It salotbiggerthanthepopulationoftheUS Chinaisover yearsold IthasamuchlongerhistorythantheUS TheUSisnoteven yearsold ChinaisalmostasbigastheUS butitisthebiggestcountryinAsia 4 2 1 3 2bListenagainandfillintheblanksin2awiththenumbersinthebox 6 3005 0005 464300 TheYangtzeRiverisabout kilometerslongandtheYellowRiveris kilometerslong Chinahasthebiggestpopulationintheworld It salotbiggerthanthepopulationoftheUS 6 300 5 464 Chinaisover yearsold IthasamuchlongerhistorythantheUS TheUSisnoteven yearsold ChinaisalmostasbigastheUS butitisthebiggestcountryinAsia 5 000 300 2cMakeconversationsusingtheinformationin2a A DidyouknowthatChinaisoneoftheoldestcountriesintheworld B Yes Idid it smucholderthanmycountry Practice A DidyouknowthatYangtzeRiveristhelongestriverinChina B Yes Idid It s6 300meterslong B Wow That slong 中国的长城共有近一万公里 东起河北秦皇岛的山海关 西到嘉峪关 这是明代修筑长城的两个最大关口 北京境内的长城有600余公里 比较著名的有八达岭长城 金山岭长城 司马台长城 慕田峪长城 居庸关长城和箭扣长城等 TheGreatWall 2dReadtheconversationandanswerthequestions 1 Whichisthebiggestman madeobjectsintheworld 2 WhichisthemostfamouspartoftheMingGreatWall TheGreatWall Badalingpartofthewall Guide Feelfreetoaskmeanythingontoday sGreatWalltour Tourist1 Howlongisthewall Guide Ah themostpopularquestion Ifwe reonlytalkingaboutthepartsfromtheMingDynasty it sabout8 850kilometerslong Thismakesitthelongestwallintheworld 2d Role playtheconversation feelfreetodosomething随便做 随意做 make 名词 代词 名词 使 成为 make 名词 代词 形容词 使 怎样makesbdosth 使某人做某事 Tourist2 Wow that samazing Whydidtheancientemperorsbuildthewall Guide Themainreasonwastoprotecttheirpartofthecountry Asyoucansee it squitetallandwide AsfarasIknow therearenoman madeobjectsasbigasthis Tourist3 IsBadalingpartoftheMingGreatWall Guide Yes it sthemostfamouspart 如你所见 正如你所看到的 据我所知 人工制造的 明长城 Geographicfacts地理常识 thelongestriver have thebiggestpopulation thehighestmountain thebiggestcountry thebiggestdesert thebiggestsaltlake thebiggestocean thebiggestcontinent 1 TheNile2 TheAmazon3 YangtzeRiver RussiaCanadaChina TheSahara TheCaspianSea Asia ThePacificOcean ChinaIndiaAmerica 6 300kilometerslong 9 6million 百万 squarekilometers km 8 844metershigh 1 3billion 十亿 Qomolangma Geographicfacts地理常识 thelongestriver have thebiggestpopulation thehighestmountain thebiggestcountry thebiggestdesert thebiggestsaltlake theb