人教版八年級(jí)下冊(cè)Unit7 SectionA(1a-1c)學(xué)案

Unit7What’sthehighestmountainintheworld?（1a-1c）教學(xué)目標(biāo)：1語(yǔ)言目標(biāo)：掌握本單元重點(diǎn)詞匯及能用比較級(jí)和最高級(jí)談?wù)摳髦睢?技能目標(biāo)：能聽懂和談?wù)撚嘘P(guān)地理和自然的話題。3情感目標(biāo)：培養(yǎng)學(xué)生熱愛(ài)大自然，保護(hù)環(huán)境的意識(shí)。教學(xué)重點(diǎn)：1學(xué)會(huì)4個(gè)四會(huì)單詞：square，meter，deep，desert；2短語(yǔ)：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(diǎn)：形容詞和副詞的比較級(jí)和最高級(jí)變化規(guī)則和用法。物體之間的對(duì)比。SectionA1(1a–2a)Step1Reviews:WehavelearnUnit6lastweek(yesterday),andtodaywe’lllearnUnit7What’sthehighestmountainintheworld?形容詞、副詞的最高級(jí)：三者或三者以上比較用最高級(jí).1)常與in短語(yǔ)或of短語(yǔ)連用。形容詞最高級(jí)前要加the,但當(dāng)前面有物主代詞、名詞所有格等修飾時(shí)，不加the。副詞最高級(jí)前可省the.eg.Susanis_____________(short)inherclass.Heis___________________(popular)oftheseboys.Alice2)形容詞最高級(jí)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(jí)+單數(shù)名詞.eg.TheYellowRiveris_____________________(第二長(zhǎng))riverinChina.3)“oneof+the+形容詞的最高級(jí)+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(jí)”，“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(yǔ)中，表示長(zhǎng)，寬，高等時(shí)，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(zhǎng)________________/________________;5英尺高_(dá)_______________/________________;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(lè)園】1.Qomolangmaishigherthananyothermountainintheworld.珠穆朗瑪峰比世界上其他任何山峰都高?！氨容^級(jí)+thananyother+單數(shù)名詞+比較范圍”=“比較級(jí)+thantheother+復(fù)數(shù)名詞+比較范圍”,且可與最高級(jí)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