英语人教版八年级下册unit 7 第一学时课件.ppt

Whatsthehighestmountainintheworld?,Unit7,SectionA第一课时1a-1c段文娟,big,bigger,Lookatthepictures,fast,faster,Thecargoesfasterthanthebike.,big,bigger,biggest,fast,faster,fastest,LiuXiangistallerthanPanChangjiang.,YaoMingisthetallestofthethree.,250,000RMB.,50,000RMB.,Thegreencaristhemostexpensive.,Theredcarismoreexpensivethanthebike.,Thebikeisexpensive.,500RMB,45kg,48kg,thethinnest,thefattest,Matchthefactsyouknow.,9,600,000ninemillionsixhundredthousand,1,025onethousandandtwenty-five,6,671sixthousandsixhundredandseventy-one,8,844.43eightthousandeighthundredandforty-fourpointforty-three,1a.Matchthefactsyouknow.,1b.Listenandcompletethesentences.,1.Qomolangmais_thananyothermountainintheworld.2.TheSaharais_desertintheworld.3.TheCaspianSeais_ofallthesaltlakes.4.TheNileis_riverintheworld.,higher,thebiggest,thedeepest,thelongest,mountain,river,saltlake,dessert,thehighest,thelongest,thedeepest,thebiggest,Usetheinformationin1btomakeconversations.,Whatisthehighestmountainintheworld?,Qomolangma.,Qomolangma,B:Its8844.43metershigh.,B:Qomolangmaisthehighestmountainintheworld.,A:Whatisthehighestmountainintheworld?,A:Howhighisit?,TheNile,thelongestriverintheworld.6671kilometerslong.,thedeepestsaltlake1025metersdeep,TheCaspianSea,thebiggestdesertintheworld.about9,600,000squarekilometersinsize,TheSahara,TheYangtzeRiveristhelongestinAsia.Its6211.31kilometerslong.,TheYangtzeRiver,1.Ithinksheis_ofallthegirls.A.beautifulB.morebeautifulC.mostbeautifulD.themostbeautiful2.Howtallheis!Yes,heis_thananyotherstudentinhisclass.A.tallB.tallerC.tallestD.moretall,3.Billisseven.JohnisnineandTomiseleven.Tomis_thanJohnandBill.Billis_thanJohn.Billis_andTomis_ofthethree.