英语人教版八年级下册Unit 7 What’s the highest moun.pptx

Unit7Whatsthehighestmountainintheworld?,SectionA1a1c,普定县第四中学：周开华,人教版新目标英语八年级（下）第七单元第一课时,Presentation,squaren.平方,metern.米,desertn.沙漠,deepadj.深的,Iamtallerthanhim.,Heisthetallestofus.,LongFengjieisthetallestboyinourclass.,Teachersdeskistheheaviestthinginourclassroom.,YelanglakeisthebiggestlakeinPuding.,Qomolangmaisthehighestmoutainintheworld.Its8844.43metershigh,Its26kilometerslong.,Qomolangma,TheSaharaisthebiggestdesertintheworld.Itisabout9600000squarekilometresinsize.,TheSahara,TheCaspianSeaisthedeepestsaltlakeintheworld.Itis1025metresdeep.,TheCaspianSea,TheNileisthelongestriverintheworld.Its6671kilometerslong.,TheNile,TheYangtzeRiveristhethirdlongestriverintheworld.Its6211.31kilometerslong.,TheYangtzeRiver,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。,Explaination,数词+数量单位复数+adj(long、deep、high),e.g.Thewallis1.7metreswide.,key,英语中巨型数词的读法解析,999,121,141,435,678,Ninehundrednintyninetrilliononehundredtwentyonebilliononehundredfortyonemillionfourhundredthirtyfivethousandsixhundredseventyeight,百万位的读法,1000000-1,000,000onemillion1111111-1,111,111onemilliononehundredeleventhousandonehundredandeleven1000001-onemillionandone,千万和亿的读法,21,435,678-twomillionfourhundredthirtyfivethousandsixhundredseventyeight111,121,435,678-onehundredelevenbilliononehundredtwentyonemillionfourhundredthirtyfivethousandsixhundredseventyeight,Whichisthehighestmountainintheworld?,HowhighisQomolangma?,Qomolangma,8844.43metershigh,Whatisthebiggestdesertintheword?,HowbigisTheSahara?,TheSahara,about9600000squarekilometres,Whatisthedeepestsaltlakeintheworld.,HowdeepisTheCaspianSea?,TheCaspianSea,1025metersdeep,Whatisthelongestriverintheworld,HowlongisTheNile?,TheNile,6,671kilometerslong,Whichisthelongestwallintheworld?,HowlongisTheGreatWall?,TheGreatWall,about8,850kilometerslong,1aMatchthefactsyouknow.,1bListenandcompletethesentences.,1.Qomolangmais_thananyothermountainintheworld.2.TheSaharais_desertintheworld.3.TheCaspianSeais_ofallthesaltlakes.4.TheNileis_riverintheworld.,higher,thebiggest,thedeepest,thelongest,Unit7Whatsthehighestmountainintheworld?,SectionA(1a-1c),1.Newwords:square、meter、desert、deep,2.Heisthetallestofus.,thehighestmoutain.,8844.43metershigh.,thebiggestdesert.,about9600000squarekilometresinsize.,thedeepestlake.,1025metresdee