英语人教版八年级下册Unit 7 Section A （1a--2c).ppt

SectionA1a-2c,squaren.平方,metern.米,Presentation,deepadj.深的,desertn.沙漠,populationn.人口,Asian.亚洲,tourv.n.旅行,touristn.旅行者,walln.墙,amazingadj.令人大为惊奇的,ancientadj.古代的,wideadj.宽的；宽阔和,LanguageGoal:Talkaboutgeographyandnature,(8,844.43metershigh),(6,671kilometerslong),(1,025metersdeep),(9,600000squarekilometersinsize),WriteoutthefollowingnumbersinEnglish：,ninety-eightthousandsevenhundredandfifty-four,Ninehundredandeighty-three,Exercise,fivehundred(and)sixty-six,sevenhundredandnine,566_709_983_98,754_,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,1c.Usetheinformationin1btomakeconversations.,A:Whatisthehighestmountainintheworld?,B:Qomolangma.,A:Whatisthebiggestdesertintheworld?,A:Whatisthedeepestsaltlakeintheworld?,Pairwork,A:Whatisthelongestriverintheworld?,B:Sahara.,B:Caspiansea.,B:Nile.,_TheYangtzeRiverisabout_kilometerslongandtheYellowRiveris_kilometerslong._Chinahasthebiggestpopulationintheworld.ItsalotbiggerthanthepopulationoftheUS.,2a.Listenandnumberthefacts1-4intheorderyouhearthem.,6,3005,0005,464300,2,4,_Chinaisover_yearsold.IthasamuchlongerhistorythantheUS.TheUSisnoteven_yearsold._ChinaisalmostasbigastheUS,anditisthebiggestcountryinAsia.,1,3,2b.Listenagainandfillintheblanksin2awiththenumbersinthebox.,_TheYangtzeRiverisabout_kilometerslongandtheYellowRiveris_kilometerslong._Chinahasthebiggestpopulationintheworld.ItsalotbiggerthanthepopulationoftheUS.,6,3005,0005,464300,2,4,6,300,5,464,_Chinaisover_yearsold.IthasamuchlongerhistorythantheUS.TheUSisnoteven_yearsold._ChinaisalmostasbigastheUS,anditisthebiggestcountryinAsia.,1,3,5,000,300,2c.Makeconversationsusingtheinformationin2a.,Groupwork,A:DidyouknowthatChinaisoneoftheoldestcountriesintheworld?,B:Yes,Idid.Itsmucholderthanmycountry.,A:DidyouknowthattheYangtzeRiveristhelongestriverinAsia?,2c.Makeconversationsusingtheinformationin2a.,Groupwork,B:Yes,Idid.ItslongerthananyotherriverinAsia.,2c.Makeconversationsusingtheinformationin2a.,Groupwork,A:DidyouknowthatChinahasthebiggestpopulationintheworld?,B:Yes,Idid.Chinahasabiggerpopulationthananyothercountryintheworld.,2c.Makeconversationsusingtheinformationin2a.,Groupwork,A:DidyouknowthatChinaisacountrywithalonghistory?,B:Yes,Idid.Chinaisover5000yearsold.Itisoneofthefourancientcivilizations.,Summary,largenumbers,comparativ