英语人教版八年级下册Unit7 SA1a-2d.ppt

英语教学课件系列 Go for it 八年级 下 孙锦才 Unit7What sthehighestmountainintheworld SectionA1a 2d LanguageGoal Talkaboutgeographyandnature mountain river saltlake dessert LanguageGoal Talkaboutgeographyandnature mountain river saltlake dessert thehighest thelongest thedeepest thebiggest Qomolangmaabout9 600 000squarekilometersinsizeTheSahara1 025metersdeepTheCaspianSea6 671kilometerslongTheNile8 844 43metershigh 1a Matchthefactsyouknow 1 Qomolangmais thananyothermountainintheworld 2 TheSaharais desertintheworld 3 TheCaspianSeais ofallthesaltlakes 4 TheNileis riverintheworld 1b Listenandcompletethesentences higher thebiggest thedeepest thelongest theothermountains 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 Chinaisover yearsold IthasamuchlongerhistorythantheUS TheUSisnoteven yearsold ChinaisalmostasbigastheUS anditisthebiggestcountryinAsia 2b Listenagainandfillintheblanksin2awiththenumbersinthebox TheYangtzeRiverisabout kilometerslongandtheYellowRiveris kilometerslong Chinahasthebiggestpopulationintheworld It salotbiggerthanthepopulationoftheUS 6 3005 0005 464300 6 300 5 464 Chinaisover yearsold IthasamuchlongerhistorythantheUS TheUSisnoteven yearsold ChinaisalmostasbigastheUS anditisthebiggestcountryinAsia 5 000 300 A DidyouknowthatChinaisoneoftheoldestcountriesintheworld B Yes Idid It smucholderthanmycountry 用big说面积和人口 用long或old说历史 2c Makeconversationsusingtheinformationin2a 比较China TheUS Groupwork 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 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 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 Tomor