八年级下册英语unit7-section-a-1a-1c课件

SectionA1a—1cWhat’sthehighestmountainintheworld?Howhighisit?Doyouknow?Qomolangmaisthehighestmountainintheworld.Itis8,844.43metershigh.Whatdoyouknowaboutthefollowingnumbers?1,025metersdeepTheCaspianSeaWhatdoyouknowaboutthefollowingnumbers?6,671kilometerslongTheNileWhatdoyouknowaboutthefollowingnumbers?9,600,000squarekilometersinsizeTheSaharaReviewWordsandexpressionsReadthewordsandexpressionsloudly.squaremeterdeepdesertn.平方；正方形n.米；公尺adj.深的；纵深的n.沙漠WordsreviewMatchthefactsyouknow.1aQomolangmaTheSaharaTheCaspianSeaTheNileabout9,600,000squarekilometersinsize1,025metersdeep6,671kilometerslong8,844.43metershighListenandcompletethesentences.1.Qomolangmais______thananyothermountainintheworld.2.TheSaharais_________desertintheworld.3.TheCaspianSeais_________ofallthesaltlakes.4.TheNileis_________riverintheworld.1bhigherthebiggestthedeepestthelongestTeacher:Yesterday,welearnedsomeimportantgeographicalfacts.Ihopeyouallstillrememberthem.I’mgoingtotestyounowbyaskingafewquestions.First,what’sthehighestmountainintheworld?Boy2:Qomolangma!It’shigherthananyothermountainintheworld.Teacher:That’sright.AndwhocantellmewhattheSaharais?Girl1:TheSaharaisthebiggestdesertintheworld.Teacher:Verygood.Andwhichisthedeepestsaltlakeintheworld?Girl2:TheCaspianSeaisthedeepestofallthesaltlakes.Teacher:You’reallsosmart!Now,forthelastquestion,whichisthelongestriverintheworld?Boy1:Iknow!TheNileisthelongestriverintheworld.Boy2:AndtheAmazonisthesecondlongestriverintheworld.Teacher:Itseemsthatyouknowtheanswerstoallmyquestions.Goodjob!1.Qomolangmais8,844.43metershigh.Itis…metershigh(long,wide…).它……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。这座山高三千多米。Themaintainismorethanthreethousandmetershigh.它离我们只有三十八万公里。Itisonly380,000kilometersaway.这座绿色长城长7,000公里。TheGreenGreatWallis7,000kilometerslong.PractiseA:Whatisthehighestmountainintheworld?B:Qomolangma.1cPairworkUsetheinformationin1btomakeconversations.A:Whatisthebiggestdesertintheworld?B:TheSahara.Makeupyourownconversations.Example1:A:Whatisthelongestriverintheworld?B:TheNile.Example2:Choosethebestanswer.1.Mybrotheris___moreoutgoingthanme.A.manyB.littleC.much2.October12thwasoneof______daysin2005.Shenzhou-VIwaslaunched(发射)successfully.A.excitingB.moreexcitingC.themostexciting3.Whichcityis______,Beijing,ShanghaiorFuzhou?A.beautifulB.morebeautifulC.themostbeautiful4._____childrenthereareinafamily,____theirlifewillbe.A.Theless,thebetterB.Fewer,richerC.Thefewer,thebetter5.Mobilephonesareverypopularnowandtheyare______thanbefore.A.cheapB.cheaperC.thecheapest6.Inourcity,it’s_____inJuly,butit’seven___inAugust.A.hotter,hottestB.hot,hotC.hot,hotter7.Ofthetwoskirts,thepinkoneis______.A.thenicestB.thenicerC.nicer8.Jack’shandwritingisas____asMike’s.A.goodB.betterC.best9.Wecandotheworkbetterwith____moneyand______people.A.little,fewB.less,fewerC.fewer,less10.JimisthetalleststudentinourclassandTomisthesecond______one.A.tallB.tallerC.tallestFinishthesentenceswiththerightformsoftheadjs.1.Kateisyoung,butJoeis_______.2.Myshoesarenew.Mysister’sare______thanmine.3.Herbagisheavy,andhisis______thanhers.Butyoursis___________ofall.youngernewerheaviertheheaviest4.Tom’skiteishigh.Jim’sis______thanTom’s.Mike’sis__________ofthemall.5.Billisseven.JohnisnineandTomiseleven.Tomis______thanJohnandBill.Billis_______thanJohn.Billis________andTomis___________ofthethree.thehighestolderyoungertheoldesttheyoungesthigher