人教新版英语八年级下册Unit7SectionA1a2d课件

Unit7Whatsthehighestmountainintheworld?,SectionA1a2d,1,学习交流PPT,Whoistallerthanothers?,thetallest,taller,2,学习交流PPT,YaoismuchtallerthanPan.abit,alittle,much,alot,lots,any,even+比较级,3,学习交流PPT,AisashighasmountainB.,AisashighasmountainB,4,学习交流PPT,1.一般情况:+er(比较级)+est(最高级)quiet-quieter-thequietestbright-brighter-thebrightest2.词末为-e（不发音）+r-+stfine-finer-thefinestnice-nicer-thenicest3.重读闭音节，末尾只有一个辅音字母的：双写辅音字母+er-双写辅音字母+esthot-hotter-thehottestwet-wetter-thewettest4.三个或三个以上音节的形容词只能加more和most5.特殊变化goodbetterbestmany/muchmorethemost,1.一般情况:+er(比较级)+est(最高级)quietquieterthequietestbrightbrighterthebrightest2.词末为-e（不发音）+r+stfinefinerthefinestnicenicerthenicest3.重读闭音节，末尾只有一个辅音字母的：双写辅音字母+er双写辅音字母+esthothotterthehottestwetwetterthewettest4.三个或三个以上音节的形容词只能加more和most5.特殊变化goodbetterbestmany/muchmorethemost比较级主要运用与两者比较，最高级运用于三者包括三者以上的比较。A+erthanB,A+estofthethree,A+estthanothers,5,学习交流PPT,onetwothreefourfivesixseveneightnineten,eleventwelvethirteenfourteenfifteensixteen，seventeeneighteennineteen,6,学习交流PPT,Canyoureadthem?8,4485,6544,3219,54323,34534,66643,23367,321,7,学习交流PPT,Qomolangma.Its8,844.43metershigh!,8,学习交流PPT,Doyouknowtheseinterestplaces?,Qomolangma,QomolangmarunsalongtheborderbetweenChinaandNepal.Itiscoveredwithsnowalltheyearround.Its8844.43high,thehighestintheworld.Its26kilometerslong.,9,学习交流PPT,TheNileIts6,671kilometerslong.,10,学习交流PPT,CaspianSeaIts1,025metersdeep.,11,学习交流PPT,TheSaharaIts9,600,000squarekilometersinsize.,12,学习交流PPT,2,300meters,13,学习交流PPT,1a,Matchthefactsyouknow.,14,学习交流PPT,1bListenandcompletethesentences.,1.Qomolangmais_thananyothermountainintheworld.2.TheSaharais_desertintheworld.3.TheCaspianSeais_ofallthesaltlakes.4.TheNileis_riverintheworld.,higher,thebiggest,thedeepest,thelongest,15,学习交流PPT,squarekilometer=km2squaremeter=m2度量单位使用规律（1）数词+meters/kilometers+high/deep/long/wide（2）XX平方米=XXsquaremeterHow+high/deep/long/wide+be+主语？,16,学习交流PPT,8,844metershigh.8,844米高metershigh(long,wide)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。e.g.Thewallis1.7metreswide.,Explaination,17,学习交流PPT,A:HowhighisQomolangma?B:Its8,844metershigh.,Practice,Thebiggestdesertintheworldisabout8,000,000squarekilometersinsize.,HowbigistheSahara?Itsabout8,000,000squarekilometersinsize.,18,学习交流PPT,2aListenandnumberthefacts(1-4)intheorderyouhearthem.,6,3005,0005,464300,_TheYangtzeRiverisabout_kilometerslongandtheYellowRiveris_kilometerslong._Chinahasthebiggestpopulationintheworld.ItsalotbiggerthanthepopulationoftheUS._Chinaisover_yearsold.IthasamuchlongerhistorythantheUS.TheUSisnoteven_yearsold._ChinaisalmostasbigastheUS,butitisthebiggestcountryinAsia.,4,2,1,3,19,学习交流PPT,2bListenagainandfillintheblanksin2awiththenumbersinthebox.,6,3005,0005,464300,_TheYangtzeRiverisabout_kilometerslongandtheYellowRiveris_kilometerslong._Chinahasthebiggestpopulationintheworld.ItsalotbiggerthanthepopulationoftheUS.,6,300,5,464,20,学习交流PPT,_Chinaisover_yearsold.IthasamuchlongerhistorythantheUS.TheUSisnoteven_yearsold._ChinaisalmostasbigastheUS,butitisthebiggestcountryinAsia.,5,000,300,21,学习交流PPT,2cMakeconversationsusingtheinformationin2a.,A:DidyouknowthatChinaisoneoftheoldestcountriesintheworld?B:Yes,Idid.itsmucholderthanmycountry.,Practice,22,学习交流PPT,A:DidyouknowthatYangtzeRiveristhelongestriverinChina?B:Yes,Idid.Its6,300meterslong.B:Wow!Thatslong!,23,学习交流PPT,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,24,学习交流PPT,Howlongisthewall?Itsabout8,850kilometerslong.Thismakesitthelongestwallintheworld.Itsthemostfamouspart.,25,学习交流PPT,2dReadtheconversationandanswerthequestions:,1.Whichisthebiggestman-madeobjectsintheworld？2.WhichisthemostfamouspartoftheMingGreatWall?,TheGreatWall.,Badalingpartofthewall.,26,学习交流PPT,1.FellfreetoaskmeanythingontodaysGreatWalltour.在今天的长城游中，大家尽管问我任何问题，不要拘束。,fellfree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。,Languagepoints,27,学习交流PPT,e.g.A:CanIuseyourbathroom?我可以用一下你的卫生间吗？B:Yes,feelfree.可以，请随意。,28,学习交流PPT,asfarasIknow是一个固定的表达方式，还可以说sofarasIknow，意思是“据我所知”。,2.AsfarasIknow,therearenoman-madeobjectsasbigasthis.据我所知，再没有像它这样大的人造物体了。,29,学习交流PPT,e.g.AsfarasIknow,Jacksgottwinsisters.就我所知，杰克有一对孪生姐妹。Theyrenotcomingtoday,sofarasIknow.他们今天不来了就我所知是这样的。,30,学习交流PPT,feelfreethemostpopularquestiontalkabouttheMingDynastytheancientemperorsthemainreaso