英语人教版八年级下册Unit 7 Section A Period 1.ppt

unit7Whatsthehighestmountainintheworld?,Period1a-1c,Objectives,TolearntocomparefactsTolearntoexpresslargenumbersTolearntotalkaboutgeographyandnatureTolearnnewwords:square,meter,deep,desert,population,Asia,tour,tourist,wall,ancient,protect,wide,Whichisthehighestmountainintheworld?Whichisthelongestriverintheworld?WhichisthedeepestriverinAsia?,Doyouknow?,QomolangmarunsalongtheborderbetweenChinaandNepal.Itiscoveredwithsnowalltheyearround.Its8844.43high,thehighestintheworld.Its26kilometerslong.,TheNileisthelongestriverintheworld.Itsmorethan6600kilometerslong.Itrunsthrough9countries,itsoneofthelargestriverflowsthroughtheinternationalstatesintheworldandrunsintotheMediterraneanSea(地中海)intheend.,TheCaspianSeaisthebiggestlakeintheworld.ItliesintheborderbetweenAsiaandEurope.,TheSaharaisthebiggestdesertintheworld.ItislocatedinthenorthernAfrica,climateconditionsareverybad,isoneoftheearthsmostnotsuitableforbiologicalsurvival.,TheYangtzeRiveristhethirdlongestriverintheworld,thefirstAsianrivers.Its6211.31kilometerslong.TheYangtzeRiverBasin,east-westwidthof3219kilometers,about966kilometerswidenorth-south,passingthrough11provinces.ItrunsintotheEastSeainShanghaifinally.,Matchthefactsyouknow.,Qomolangma,Howhighisit?,Itisabout_metershigh.,8,844,8,844metershigh.8,844米高metershigh(long,wide)米高（长，宽)。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.,Explaination,Howtoreadlargenumbers?,Howtosaythesenumbers?,456,3,041,106,299,000,1,823,600,onehundredsix,fourhundredandfiftysix,threethousandfortyone,twothousandandnintyninehundred,onemillioneighthundredandtwentythreethousandsixhundred,A:HowhighisQomolangma?B:Its8,844metershigh.,Practice,Thebiggestdesertintheworldisabout8,000,000squarekilometersinsize.,HowbigistheSahara?Itsabout8,000,000squarekilometersinsize.,Listenandcompletethesentences.,Qomolangmais_thananyothermountainintheworld.2.TheSaharais_desertintheworld.3.TheCaspianSeais_ofallthesaltlakes.4.TheNileis_riverintheworld.,higher,thebiggest,thedeepest,thelongest,Whatisthelongestriverintheworld?,TheNile.,Usetheinformationin1btomakeconversations.,Whatisthebiggestdesertintheworld?,TheSahara.,GroupworkWearethebest,Describe“themost”inyourgroup.Everystudentdescribeanotherstudentinyourgroup.Letsseewhichgroupisthebestgroup!组内进行讨论，你们组有哪些班级之最。组内每位同学分别用最高级来介绍你组的另一个同学。我们一起来看看哪个组最棒。,我们组最棒！,Review,课时重点回顾,Whatsthepopulationof.?Itismetershigh(long,wide).much,even,alittle,still,alot,less+形容词比较级asfarasIknowas/sofarasIcanremember/Icantell/Icanseeasfaras远至合成词man-made,1.Lilygetsup_(early)thanLucy.2.Whichgoes_(slowly),TomorJim?3.Thisbookis_(interesting)thanthatone.,earlier,moreslowly,moreinteresting,根据所给词的适当形式填空,4.Sheworks_(careful)inherschool.5.Whogoestobed_(late)Jim,TomorJack?6.Ithinkturkeyis_(delicious)ofall.,themostcarefully,latest,themostdelicious,Finishthesentenceswiththerightformsoftheadjs.1.Kateisyoung,butJoeis_.2.Myshoesarenew.Mysistersare_thanmine.3.Herbagisheavy,andhisis_thanhers.Butyoursis_ofall.,younger,newer,heavier,t