英语人教版八年级下册unit 7 第一学时课件

What’sthehighestmountainintheworld?Unit7SectionA第一课时1a-1c段文娟bigbigger◇LookatthepicturesfastfasterThecargoesfasterthanthebike.bigbiggerbiggestfastfasterfastestLiuXiangistallerthanPanChangjiang.YaoMingisthetallestofthethree.250,000RMB.50,000RMB.Thegreencaristhemostexpensive.Theredcarismoreexpensivethanthebike.Thebikeisexpensive.500RMB45kg48kgMatchthefactsyouknow.1a9,600,000ninemillionsixhundredthousand1,025onethousandandtwenty-five6,671sixthousandsixhundredandseventy-one8,844.43eightthousandeighthundredandforty-fourpointforty-three1a.Matchthefactsyouknow.Qomolangmaabout9,600,000squarekilometersinsizeTheSahara1,025metersdeepTheCaspianSea6,671kilometerslongTheNile8,844.43metershigh1b.Listenandcompletethesentences.1.Qomolangmais______thananyothermountainintheworld.2.TheSaharais____________desertintheworld.3.TheCaspianSeais____________ofallthesaltlakes.4.TheNileis_________riverintheworld.higherthebiggestthedeepestthelongestmountainriversaltlakedessertthehighestthelongestthedeepestthebiggest1cUsetheinformationin1btomakeconversations.Whatisthehighestmountainintheworld?Qomolangma.QomolangmaB:It’s8844.43metershigh.B:Qomolangmaisthehighestmountainintheworld.A:Whatisthehighestmountainintheworld?A:Howhighisit?TheNilethelongestriverintheworld.6671kilometerslong.thedeepestsaltlake1025metersdeepTheCaspianSeathebiggestdesertintheworld.about9,600,000squarekilometersinsizeTheSaharaTheYangtzeRiveristhelongestinAsia.It’s6211.31kilometerslong.TheYangtzeRiver1.Ithinksheis____ofallthegirls.A.beautifulB.morebeautifulC.mostbeautifulD.themostbeautiful2.—Howtallheis!—Yes,heis____thananyotherstudentinhisclass.A.tallB.tallerC.tallestD.moretall3.Billisseven.JohnisnineandTomiseleven.Tomis______thanJohnandBill.Billis_______thanJohn.Billis___________andTomis___________ofthethree.olderyoungertheyoungesttheoldestHomeworkWrite5comparativeandsuperlativesentences