英语人教版八年级下册Unit7 SecitionA 1a-2d.ppt
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1、squaren.平方平方metern.米米deepadj.深的深的desertn.沙漠沙漠populationn.人口人口Asian.亚洲亚洲tourv.n.旅行旅行touristn.旅行者旅行者walln.墙墙amazingadj.令人大为惊奇的令人大为惊奇的ancientadj.古代的古代的wideadj.宽的;宽阔的宽的;宽阔的Do you know these places?QomolangmarunsalongtheborderbetweenChinaandNepal.Itiscoveredwithsnowalltheyearround.Its8844.43metershigh,th
2、ehighestmountainintheworld.Its26kilometerslong.TheNileisthelongestriverintheworld.Itsmorethan6600kilometerslong.Itrunsthrough9countries.ItsoneofthelargestriversthatflowsthroughtheinternationalstatesintheworldandthatrunsintotheMediterraneanSea(地中海地中海)intheend.TheCaspianSeaisthebiggestlakeintheworld.I
3、tliesintheborderbetweenAsiaandEurope.TheSaharaisthebiggestdesertintheworld.ItislocatedinthenorthernAfrica.Climateconditionsareverybad.Itisoneoftheearthsmostnotsuitableforbiologicalsurvivals.TheYangtzeRiveristhethirdlongestriverintheworld,thefirstlongestAsianrivers.Its6211.31kilometerslong.Itflowsthr
4、ough11provincesandrunsintotheEastSeainShanghaifinally.Which is the highest mountain in the world?Which is the longest river in Asia?.Warming-upTalk about these pictures in pairs.1a Match the facts you know.Qomolangmaabout9,600,000squarekilometersinsizeTheSahara1,025metersdeepTheCaspianSea6,671kilome
5、terslongTheNile8,844.43metershigh8,844.43metershigh.8,844.43米高米高metershigh(long,wide)米高(长,宽米高(长,宽)英语表示英语表示“有多长(宽,高有多长(宽,高)”时,时,一般一般将数词和数量单位放在表示长宽高的将数词和数量单位放在表示长宽高的形容词前作状语形容词前作状语。e.g.Thewallis1.7metreswide.Practiceinpairslikethis:A:Whichisthehighestmountainintheworld?B:ItsQomolangma.A:Whatistheinthe?
6、B:A:HowhighisQomolangma?B:Its8,844.43metershigh.A:Howdeep/big/longis?B:Itsmeters/kilometers.1b Listen and complete the sentences.1.Qomolangmais_thananyothermountainintheworld.2.TheSaharais_desertintheworld.3.TheCaspianSeais_ofallthesaltlakes.4.TheNileis_riverintheworld.higherthebiggestthedeepestthel
7、ongest1c Use the information in 1b to make conversations.Whatisthehighestmountainintheworld?Qomolangma.Whatistheintheworld?.2a Listen and number the facts(1-4)in the order you hear them._TheYangtzeRiverisabout_kilometerslongandtheYellowRiveris_kilometerslong._Chinahasthebiggestpopulationintheworld.I
8、tsalotbiggerthanthepopulationoftheUS._Chinaisover_yearsold.IthasamuchlongerhistorythantheUS.TheUSisnoteven_yearsold._ChinaisalmostasbigastheUS,anditisthebiggestcountryinAsia.42132b Listen again and fill in the blanks with the numbers in the box.6,3005,0005,464300_TheYangtzeRiverisabout_kilometerslon
9、gandtheYellowRiveris_kilometerslong._Chinahasthebiggestpopulationintheworld.ItsalotbiggerthanthepopulationoftheUS._Chinaisover_yearsold.IthasamuchlongerhistorythantheUS.TheUSisnoteven_yearsold._ChinaisalmostasbigastheUS,anditisthebiggestcountryinAsia.42136,3005,4645,0003002c Make conversations using
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