资源描述：
《公开课八年级下册英语第七单元第一课时.ppt》由会员上传分享，免费在线阅读，更多相关内容在教育资源-天天文库。
1、OurtaskstodayTalkaboutgeographyandnatureReadnumbers.Eg:9,600,000Comparativeandsuperlativedegree比较级和最高级Ourhomeland,China.Chinahasthelongestwall,Chinahasthethirdlongestriver,Chinahastheriverwhichhasthemostsand,Chinaisthethirdbiggestcountry,Chinahaslargerpopulationthananyothercountry.theGr
2、eatWall.theYangtzeRiver.theYellowriver.9,600,000squarekilometersinsize.1,300,000,000Period1Unit7What’sthehighestmountainintheworld?Let’stalk!Whatdowelearninageographyclass?geographyQomolangmamountainTheNilerivertheCaspianSeasaltlakeTheSaharadesertthePacificOceanoceanGeographicalfacts地理常
3、识thelongestriver(has)thebiggestpopulationthehighestmountainthebiggestcountrythebiggestdesertthebiggestsaltlakethebiggestoceanthebiggestcontinent1.TheNile2.TheAmazonRiver3.YangtzeRiverRussiaCanadaChinaTheSaharaTheCaspianSeaAsiaThePacificOceanChinaQomolangma[ˌdʒi:ə'ɡræfɪkl]Geographicalfac
4、ts地理常识thelongestriverhasthebiggestpopulationthehighestmountainthebiggestcountrythebiggestdesertthebiggestsaltlakethebiggestoceanthebiggestcontinent--What’sthelongestriverintheworld?--TheNile.Pairwork8,844metershigh6,671kilometerslong1,025metersdeep9,600,000squarekilometersinsizeQomolang
5、matheCaspianSeaTheSaharaTheNileLet’sreadnumbers2.3451656,671600,0009,600,0001,300,000,000twopointthreeforty-fiveonehundredandsixty-fivesixthousandsixhundredandseventy-onesixhundredthousandninemillionsixhundredthousandonebillionthreehundredmillionbillion十亿million百万thousand千111,121,435,67
6、8111,121,435,678billionmillionthousandonehundredandelevenbilliononehundredandtwenty-onemillionfourhundredandthirty-fivethousandsixhundredandseventy-eight十亿的读法Readthenumber!4,69826,471,904,75827,6449,237,5865.4176,934,524,456389298,50328,596,73890Groupwork:Writedownsomenumbersandaskyourg
7、roupmatestoreadit.No.1-No.4No.2-No.32米长1米宽150米高1125米深1.5米厚9,600,000平方公里twometerslongonemeterwideonehundredandfiftymetershighonethousandonehundredandtwenty-fivemetersdeeponepointfivemetersthick数词+单位+形容词(long,wide,high,deep,thick)面积：数词+单位+insizeninemillionsixhundredthousandsquare
