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1、SectionA1a--1c学习目标Talkaboutgeographyandnature.谈论地理和自然环境Presentationsquaren.平方metern.米deepadj.深的desertn.沙漠populationn.人口Asian.亚洲ancientadj.古代的wideadj.宽的；宽阔的Whatdoyouknowaboutthisnumber?Period1SectionA1a-2dItistheheightofQomolangma.8,844.43eightthousandeighthundredandforty-fourpointforty-three
2、Readlargenumbersthousandpoint9,600,000ninemillionsixhundredthousandReadlargenumbersmillionthousandPre-listening:Doyouknowthem?QomolangmatheNiletheCaspianSeatheSaharaQomolangmaQomolangmarunsalongtheborder(边缘)betweenChinaandNepal.Itiscoveredwithsnowalltheyearround.It’s8844.43high,thehighestint
3、heworld.It’s26kilometerslong.TheNileisthelongestriverintheworld.It’smorethan6,600kilometerslong.Itrunsthrough9countries,it’soneofthelargestriver.theNiletheCaspianSeaTheCaspianSeaisthebiggestlakeintheworld.Itliesintheborder(边缘)betweenAsiaandEurope.TheSaharaisthebiggestdesertintheworld.Itisloc
4、atedinthenorthernAfrica,climateconditions（气候条件）areverybad,isoneoftheearth'smostnotsuitableforbiologicalsurvival（生物的生存）.theSahara1aMatchthefactsyouknow.Iknow(that)...1.Qomolangmais8,844.43metershigh.2.TheCaspianSeais1,025metersdeep.3.TheNileis6,671kilometerslong.4.TheSaharaisabout9,600,000squ
5、arekilometersinsize.Talkaboutthesepicturesinpairs.A:What/Whichisthe…in+地点?B:…theNiletheCaspianSeaQomolangmatheSaharaPracticeA:What/Whichisthe…in+地点?B:…A:Howhigh/big/long/deepis…B:…1bListenandcompletethesentences.1.Qomolangmais______thananyothermountainintheworld.2.TheSaharais____________dese
6、rtintheworld.3.TheCaspianSeais____________ofallthesaltlakes.4.TheNileis_________riverintheworld.higherthebiggestthedeepestthelongest1cUsetheinformationin1btomakeconversations.Whatisthehighestmountainintheworld?Qomolangma.Whatis……？……Qomolangma世界之最庐山黄山Whichmountainishigher,MountHungorMountLu?W
7、hichmountainisthehighest,MountHung,MountLuorQomolangma?……higherthan…………thehighest.世界之最黄山尼罗河theNile世界之最theYangtzeRiver长江theYellowRiver黄河Whichriverislonger,……?Whichriveristhelongest,……?TheCaspianSea里 海世界之最咸水湖（saltlake）theDeadSea死海青海湖QinghaiLake（约400米
