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1、Unit7What'sthehighestmountainintheworld?theearthWeliveontheearth.Wehaveonlyoneearth.ChinaisinAsia.Ithasthebiggestpopulationintheworld.Itisoneoftheoldestcountriesintheworld.Let’senjoythebeautyofnatureintheworld!mountaindesertriverlakeoceanfreshlakesaltlakePresentationsquare/skweə/n.平方mete
2、r/'mitə/n.米squaremeter平方米deep/diːp/adj.深的desert/'dezət/n.沙漠population/pɒpjʊ'leɪʃ(ə)n/n.人口Asia/ˈeɪʒə/n.亚洲tour/tʊə/v.n.旅行tourist/'tʊərɪst/n.旅行者walln.墙amazing/ə'meɪzɪŋ/adj.令人大为惊奇的Ancient/ˈeɪnʃənt/adj.古代的wide/waɪd/adj.宽的；宽阔和LanguageGoal:TalkaboutgeographyandnatureDoyouknowtheseplaces?TheNile
3、(尼罗河）isthelongestriverintheworld.It’s6671kilometerslong.Thelongestriverintheworld.TheNile/naɪl/尼罗河Thehighestmountainintheworld.Qomolangma.It’s8,844.43metershigh!Qomolangma/ˈtʃəʊməʊˌlɑːŋmə/珠穆朗玛ThedeepestsaltlakeintheworldTheCaspianSeais1,025metersdeep.TheCaspian/'kæspiən/sea里海Thebiggestde
4、sertintheworld.TheSaharais9,600,000squarekilometersinsize.TheSahara/sə'hɑ:rə/沙哈拉Qomolangmaabout9,600,000squarekilometersinsizeTheSahara1,025metersdeepTheCaspianSea6,671kilometerslongTheNile8,844.43metershigh1a.Matchthefactsyouknow.…8,844metershigh.…8,844米高…metershigh(long,wide…)……米高（长，宽…
5、…)。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.ExplainationA:HowhighisQomolangma?B:It’s8,844metershigh.PracticeHowlongistheNileriver?It’sabout6671kilometerslong.HowbigistheSahara?It’sabout8,000,000squarekilometersinsize.Whatisthedeepestseaintheworld?TheSahara.P
6、airworkHowdeepisit?It’sabout1025metersdeep.1bListenandcompletethesentences.1.Qomolangmais______thananyothermountainintheworld.2.TheSaharais____________desertintheworld.3.TheCaspianSeais____________ofallthesaltlakes.4.TheNileis_________riverintheworld.higherthebiggestthedeepestthelongestG
7、eographicfacts地理常识thelongestriverthehighestmountainthebiggestdesertthedeepestsaltlakeTheNileTheSaharaTheCaspianSea6,300kilometerslong8,844metershighQomolangma6,671metersdeep9,600,000squarekilometersinsize2aListenandnumberthefacts(1-4)intheorderyouhearthem.6,3005,0005,4643
