Unit7What’sthehighestmountainintheworld?（1a-1c）教學(xué)目標：1語言目標：掌握本單元重點詞匯及能用比較級和最高級談?wù)摳髦睢?技能目標：能聽懂和談?wù)撚嘘P(guān)地理和自然的話題。3情感目標：培養(yǎng)學(xué)生熱愛大自然，保護環(huán)境的意識。教學(xué)重點：1學(xué)會4個四會單詞：square，meter，deep，desert；2短語：insize，intheworld，2meterstall/long，oneofthebiggest；3句子：What’sthehighestmountainintheworld?Qomolangma.HowhighisQomolangma?It’s8,844.43metershigh.It’shigherthananyothermountain.Whichisthedeepestsaltlakeintheworld?TheCaspianSeaisthedeepestofallthesaltlakes.教學(xué)難點：形容詞和副詞的比較級和最高級變化規(guī)則和用法。物體之間的對比。SectionA1(1a–2a)Step1Reviews:WehavelearnUnit6lastweek(yesterday),andtodaywe’lllearnUnit7What’sthehighestmountainintheworld?形容詞、副詞的最高級：三者或三者以上比較用最高級.1)常與in短語或of短語連用。形容詞最高級前要加the,但當(dāng)前面有物主代詞、名詞所有格等修飾時，不加the。副詞最高級前可省the.eg.Susanis_____________(short)inherclass.Heis___________________(popular)oftheseboys.Alice2)形容詞最高級前可被序數(shù)詞修飾，其結(jié)構(gòu)為：the+序數(shù)詞+形容詞最高級+單數(shù)名詞.eg.TheYellowRiveris_____________________(第二長)riverinChina.3)“oneof+the+形容詞的最高級+復(fù)數(shù)名詞”表示“最……的……之一”eg.Hangzhouisoneof_____________(beautiful)_______(city)inChina.()3.MoYanisoneof____________writerstoday.morefamousB.mostfamousC.muchmorefamousD.themostfamous4）“a+最高級”，“非?！?＝very.eg.It’samostimportantquestion.=It’sa______importantquestion.2.Showsomepicturesandinformationofthehighestmountain,thelongestriver,thedeepestsaltlakeandthebiggestdesertintheworld.Step2Warmingup1.Watchthephotosandtalkaboutthem“Howbig/high/long/bigis…?’andhelpthestudentstoanswer:It’s…meters/kilometers/cmbig/high/long/big.2.Lookthesephotosandpracticethedialogue:e.g.A:HowhighisQomolangma?B:It’s8,844.43metershigh.Step31aMatchthefactsyouknow.Qomolangmaabout9,600,000squarekilometersinsizeTheSahara1,025metersdeepTheCaspianSea6,671kilometerslongTheNile8,844.43metershighStep4Explanation:1025metersdeep，“1025米深”，英語中，表示長，寬，高等時，主要有兩種方式：基數(shù)詞+單位詞+形容詞（long,wide,high,deep）基數(shù)詞+單位詞+in+名詞（length,width,height,depth）;常見的單位詞有：meter(米)，foot(英尺)等。eg:兩米長________________/________________;5英尺高________________/________________;10米深________________/________________;()1.TheYangtzeRiverisabout_______.A.6300kilometerlongB.6300kilometerslongC.6300-kilometerlongD.6300kilometers’long()2.It’s__________tree.A.10meterstallB.10meters’tallC.a10-meter-tallD.a10-metersStep5Listening1.1bListenandcompletethesentences.1)Qomolangmais______thananyothermountainintheworld.2)TheSaharais____________desertintheworld.3)TheCaspianSeais____________ofallthesaltlakes.4)TheNileis_________riverintheworld.【探究樂園】1.Qomolangmaishigherthananyothermountainintheworld.珠穆朗瑪峰比世界上其他任何山峰都高?！氨容^級+thananyother+單數(shù)名詞+比較范圍”=“比較級+thantheother+復(fù)數(shù)名詞+比較范圍”,且可與最高級互換。該句的同義句是：Qomolangmais_______thantheother________intheworld.或:Qomolangmais________________________mountainintheworld.eg.Lucyisthemosthard-workingstudentintheclass.(改同義句)Lucyis________________thananyotherstudentintheclass.Lucyis________________than_____otherstudentsintheclass.1.Tomis______(tall)thananyother______(player)intheschoolteam.()2.Thegirlis________thananyothergirlinherclass.A.morebeautifulB.themostbeautifulC.muchbeautifulD.beautifully鞏固練習(xí)1.Mybedroomhasabout10________(平方)insize.2.China'sareais9600000_____(平方)kilometers.3.TheCaspianSeaisdeeperthananyother_____(sea)4.Iwanttobuya____ruler.Doyouknowwhatits_____is?A.long;longB.long;lengthC.length;longD.length;length（）5.SheisbetteratEnglishthan________inherclass.A.anyotherstudentB.otherstudentC.anyotherstudentsD.theotherstudent（）6.-DidKatedothebestintheexam?-No,butofallthestudentsshewas________A.themostcarefulB.morecarefulC.mostcarefullyD.morecarefully（）7.-Thedoctortoldmenottoeattoomuch,butIfinditdifficult.-Thedoctorisright.__________youeat,_______youwillbe.A.Theless;thehealthierB.Th