北师大版高中英语必修三-Unit-7-Lesson-3教学课件

Unit7TheSeaLesson3TheSeaWorld必修三Unit7TheSeaLesson3必修三■Togetfamiliarwithdescriptivetexts.■Topractiseusingseaanimalvocabulary.■Topractisecomparativeandsuperlativestructures.Objectives■TogetfamiliarwithObjectDoyouknow?AquariumsaregrowinginpopularityinBritain.Aswellasofferingspectacularexhibits,likesharks,theyoffer“hands-on”exhibitsforchildren.Doyouknow?1Whichoftheseanimalscanyouseeinthepictures?PartIBeforeyoustart1WhichoftheseanimalscanycrabcrabdolphindolphinpolarbearpolarbearpenguinpenguinwhalewhalesealsealsharksharkcoralcoralflyingfishflyingfishstarfishstarfishtropicalfishtropicalfishseashellseashellDoyouknow?1.Whichfishusesalighttoattractfood?Anglerfish琵琶鱼Doyouknow?1.WhichfishusesToadfish蟾鱼,豹蟾鱼2.Whichfishcanmakealoudnoise?Toadfish蟾鱼,豹蟾鱼2.Whichfishc3.Whatkindoffishappeartoflyinthewater?鳐鱼MantaRays3.Whatkindoffishappearto4.Whicharethesmallestfishintheworld?

Goby刺鳍鱼4.WhicharethesmallestfishDoyouknowallthesitesofUnderwaterWorld?1.Scanthetextquicklyandfindoutthenamesofthetouristsitesoftheunderwaterworld.PartIIReadtolearnDoyouknowallthesitesofUPlacestoseeseacreaturesVirtualRealityVoyageDiscoveryPoolSeaTheatreOceanFloorPolarWorldUnderwaterWorldPlacestoseeseacreaturesVir2.Readthebrochure.FindwhereyoucanseethesethingsinUnderwaterWorld.1.fishwhichusealighttoattractfood2.dolphinsinperformance3.fishthatappeartoflyinthewater4.seacreaturesthatchildrencantouch5.abigicebergVirtualRealityVoyageSeaTheatreOceanFloorDiscoveryPoolPolarWorld2.Readthebrochure.Findwhe3.MatchthesecommentsfromvisitorstothedifferentareasofUnderwaterWorld.Example1)Itwasterrible!TherearetoomanyinthepoolandIdon’tthinktheyenjoytheshow.Ithinkit’scrueltomakethemdotricks.SeaTheatre3.Matchthesecommentsfromv2)“Howdotheystopitfrommelting?ItwasgreatbutIfeltquitecoldafterawhile.”3)“Ontheonehand,welovedmostoftheattractions,especiallytheoneforthechildren.Ontheotherhand,Ididn’tthinkthatthecafeteriawasasgoodasitshouldbe.”PolarWorldDiscoveryPool2)“Howdotheystopitfromm4)“Ilearnedalot.Imean,Ididn’tknowthatafishcouldbenoisy!However,Ithoughtsomeoftheothereffectswerelessrealistic.”VirtualRealityVoyage4)“Ilearnedalot.Imean,4.Readthebrochure.Findwhatyoucanseeintheseplaces.PolarWorldOceanFloorSeaTheatrepolarbears,realiceberg,theacrobaticseal,penguinsmostbeautifulcoral,mostunusualfish,somefish”flying”throughthewaterintelligentdolphins’show4.Readthebrochure.FindwhaDiscoveryPoolVirtualRealityVoyage(foryoungerchildren)crabs,smallercreaturesnoisiestfish,prettiestfish,tiniestfish,(swimwith)dolphins,thegreatwhiteshark.DiscoveryPoolVirtualRealityWhichpartofunderwaterworldwouldyouliketovisit?Why?PartIIIVoiceyouropinionWhichpartofunderwaterworldSeatheatreVoiceyouropinionIlikedolphinsverymuch.Iwanttoseethecleverdolphinsinperformance.WhereshouldIgo?SeatheatreVoiceyouropinionIVirtualrealityvoyage

Ihaveheardthattherearesomeveryspecialfishintheunderwaterworld.Andthereisakindoffishwhichcanusealighttoattractfood.That’sfunny.Iamlookingforwardtoseeingit.WhereshouldIgo?VirtualrealityvoyageIhaveDiscoverypool

Iamthebestfriendsofsmallcreatures.Isthereaplaceformetomakefriendswithsmallcreatureslikecrabs?DiscoverypoolIamthebestf

Ihaveneverbeentothepole.Iwanttoseethebigiceberg,theacrobaticsealsandthepenguin.whereshouldIgo?

Polarworld

IhaveneverbeentothepoleOceanfloorIamabird.Icanflyhighinthesky.AndIknowthatthereisakindoffishthatcan“flyinthewater.Iwanttohaveacompetitionwithit.Doyouhavethisfish?OceanfloorIamabird.

ComparisonofadjectivesGrammarComparisonofadjectivesGramm

1.表示AB两方程度相同的用_______________，如：我的苹果和你的一样红。Myapplesareas

redasyours.形容词比较等级的句型“as+原级+as”PartIVGrammar1.表示AB两方程度相同的用_____________not+so(as)+原级+as

2.表示AB两方程度不同，A不如B的，用_____________________”，如：第一课不如第二课有趣。LessonOneisnotso(as)interestingasLessonTwo.not+so(as)+原级+as2.表示A1)Lucy的连衣裙与Lily的一样漂亮。Lucy’sdressis_______________Lily’s.2)这个会议没上次的重要。Thismeetingis________________lastone.asbeautifulas

notsoimportantas【即学即练】1)Lucy的连衣裙与Lily的一样漂亮。asb比较级+than3.表示AB两方程度不同，A超过B的用“___________”如：黑色的猫比白色的那只更饿。Theblackcatishungrierthanthewhitecat.比较级+than3.表示AB两方程度不同，A超过B的用“_1)今天比昨天更干燥。

Todayis______________yesterday.2)太阳比月亮大得多。

Thesunis____________________themoon.3)他是家里兄弟中最年轻的。

Heis______________anyotherbrotherinthefamily.drierthanmuchbiggerthanyoungerthan【即学即练】1)今天比昨天更干燥。drierthanmuchthe+最高级+比较范围4.表示三个或三个以上进行比较，其中某一方超过其他几方面的用“______________________”,如：她是我们班最好的学生。Sheisthebeststudentinourclass.the+最高级+比较范围4.表示三个或三个以上进行比较，1)过去她家是村里最穷的。Herfamily_____________inhervillageinthepast.2)澳大利亚是世界上最富裕的国家之一Australiaisoneof__________________intheworld.3)他是家里兄弟中最年轻的。Heis____________ofthebrothersinthefamily.wasthepooresttherichestcountriestheyoungest【即学即练】wasthepooresttherichest5.Which/Whatdoyoulikebetter,AorB?Which/Whatdoyoulikebest,A,BorC?6.The+比较级+of+the+two…如：李明是这两人中更高的一个。

LiMingisthetallerofthetwo.7.越来越:比较级+and+比较级

moreandmore+原级如：Theweatherishotterandhotter.Ourcountryismoreandmorebeautiful.5.Which/Whatdoyoulikebet【注意】1.在“比较级+than”这一句型中，作为比较对象的成分不能省略。如：在冬天北京比广州更冷。Inwinterit’scolderinBeijingthaninGuangzhou.(对)Inwinterit’scolderinBeijingthanGuangzhou.(错)2.形容词比较等级前一般可用much,even,alot,alittle,abit,等状语修饰。【注意】1.在“比较级+than”这一句型中，作为比2)月亮比太阳小得多。Themoonis_______________thesun.3)这本书比那本书厚一点。Thebookis___________thanthatone.1)Whois____,Mr.GreenorMr.Smith?A.veryrichB.muchricherC.therichestD.morericherBmuchsmallerthanalittlethicker【即学即练】2)月亮比太阳小得多。Bmuchsmallerth3.形容词比较等级前还可以被表示年龄、倍数等词组修饰。如：SheistwoyearsolderthanMike.Thismountainis3timeshigherthanthatone.3.形容词比较等级前还可以被表示年龄、倍数等词组修饰。如：这个棍子比那根长3米。

Thisstickis___________________thanthatone.Mary比Jenny重两公斤。

Maryis_________heavierthanJenny.threemeterslonger

twokilos【即学即练】threemeterslongertwoSentencesfromthetext1.It’sthreetimesasbigas

underwater2.Theyarelesscolorfulthan

otherfishbuttheymovebeautifully.3.Youcertainlywon’tfindanoisierfish.4.Theyhaveahugemouthandcaneatfishasbigas

themselvesSentencesfromthetext1.It’1.“asmany/few+可数名词复数+as”或“asmuch/little(少的)+不可数名词+as”前者描述数目上的接近,后者描述量的相近.Youmayborrowasmanybooksasyoucan.你能借多少书就借多少。“Drinkasmuchwaterasyoucan,”thedoctorsaidtohim.医生对他说：“你要尽可能的多喝些水。”

形容词比较等级的句型还有：1.“asmany/few+可数名词复数+as”或2.“主语+比较级+thananyother…”结构表示：主语所描述的事物比其他任何一个都……比较级形式表示最高级含义。LiMingismuchclevererthananyotherstudentintheirclass.李明是他们班中最聪明的学生。2.“主语+比较级+thananyother…”注意：若比较范围不同，than后应用“any+可数名词的复数形式+其他”。ChinaislargerthatanycountriesinAfrica.中国比非洲上的任何国家都大。注意：3.比较级的最高级含义[原句回放]Youcertainlywon’tfindanoisierfish.[要点点拨]本句相当于That’sthenosiestfishyoucanfind.英语中否定词和比较级连用一般表示最高级含义，有强调意味。意为“再没有比…更…的了”。[常见结构]not/never…+a/an+比较级+n.no/never/nothing…+比较级3.比较级的最高级含义例如：Thereisnotatallerplayerthanhiminhisteam.他是他们队里最高的。Ihavedonemybest;Ican’tmakeanythingmorebeautifuloutofit.我已经尽力把它弄得最漂亮了。例如：4.“形容词+to”结构也可表示比较含义。Thiskindofcarissuperiorinqualitytothat.这种汽车的质量比那一种好得多(superiorto意为：优于；胜过)LipingisthreeyearsseniortoLiuGang.李平比刘刚大三岁。(seniorto意为：年长于；资格老于；地位高于)4.“形容词+to”结构也可表示比较含义。5.“no+比较级+than”结构表示对两个比较对象都进行否定(可由neither…nor…结构来改写)。I’mnomorefoolishthanyou.我们俩都不傻。

(相当于NeitherInoryouisfoolish.)5.“no+比较级+than”结构表示对两个比较对象都进行6.“notmore+比较级+than”结构表示在程度上“前者不如后者”Thisbookisnotmoreinterestingthanthatone.这本书不如那本书有趣。

(相当于:Thebookislessinterestingthanthatone.)6.“notmore+比较级+than”结构表示在程度上7.“形容词比较级+than+形容词”,意为“与其…倒不如….”Jackismuchharderthanclever.与其说杰克聪明，倒不如说他学习用功。7.“形容词比较级+than+形容词”,意为“与其…倒不如8.wouldrather…than,prefer…to…,prefertodo…ratherthan…这三个句型表示“宁愿…而不愿…;喜欢…胜过…宁做…而不愿做…”含义。虽无比较级形式，但表示比较级含义。Shewouldratherdiethangivein.她宁死不屈。Hepreferredtogooutratherthanstayhome.他宁愿出去也不愿呆在家里。8.wouldrather…than,pref9.该结构意为“越…，越…”。

The+比较级…，the+比较级…Themoredifficultthequestionsare,thelesslikelyheisabletoanswerthem.问题越难，他回答出来的可能性就越小.9.该结构意为“越…，越…”。10.what有时也可以表示“比较”关系，说明两种事物的相同或相似性。what的该种用法常用于书面语，用来加强修辞效果，含有比喻含义，相当于as，意为“好比…；正如…；就像…一样”。what的该类用法共有3种情况：10.what有时也可以表示“比较”关系，说明两种事物的相(1)AistoBwhatCistoDTwelveistwowhattwenty-fouristofour.十二比二就等于二十四比四。(2)whatCistoD,AistoBWhatfoodistothebody,abookistothemind.书籍对于思想犹如食物对于身体。(3)whatCistoD,thatAistoBWhatthegunistoasoldier,thatthepenistoawriter.作家的笔犹如战士的枪。(1)AistoBwhatCistoD11.倍数的表示方法[原句回放]Youcanonlyseeasmallpartofitabovethewater.It’sthreetimesasbigunderwater.[要点点拨]“It’sthreetimesasbigunderwater.”是一个省略句，补全就是：It’sthreetimesasbigunderwaterasthepartabovethewater.11.倍数的表示方法常见的表达法：1)倍数+形容词比较级+than+比较对象；2)倍数+as+形容词+as+比较对象；3)形容词比较级+than+比较对象+by+倍数。如：Thiscakeistwicebiggerthanthatone.=Thiscakeistwice

asbigasthatone.=Thiscakeisbiggerthanthatonebytwice.常见的表达法：Bobneverdoeshishomework_____Mary.Hemakeslotsofmistakes.A.socarefulasB.ascarefullyasC.carefullyasD.ascarefulas2.Nowairinourtownis____thanitusedtobe.SomethingmustbedonetoitA.verygoodB.muchbetterC.ratherthanD.evenworseBDExercisesBobneverdoeshishomework___3.--Isyourheadachegetting_____?--No,it’sworse.A.betterB.badC.lessD.well4.Americanseat____vegetablesperpersontodayastheydidin1910.A.morethantwiceB.astwiceasmanyC.twiceasmanyasD.morethan

twiceasmanyAD3.--Isyourheadachegetting5.Inrecentyearstravelcompanieshavesucceededinsellingustheideathatthefurtherwego,_____.A.ourholidaywillbebetterB.ourholidaywillbethebetterC.thebetterourholidaywillbeD.thebetterwillourholidaybe6.Greenland,_____islandintheworld,coversovertwomillionsquarekilometers.A.itisthelargestB.thatisthelargestC.isthelargestD.thelargestDC5.Inrecentyearstravelcomp7.Ifeel__betterthanyesterday.A.moreB.veryC.theD.far8.Chinahasalargepopulationthan__intheworld.A.allthecountriesB.everycountryC.anycountryD.anyothercountryDD7.Ifeel__betterthanyeste9.—Didyouenjoyyourselfattheparty?—Yes,I’veneverbeento_______onebefore.A.amoreexcitedB.themostexcitedC.amoreexcitingD.themostexciting10.Ilikethisjacketbetterthanthatone,butitcostsalmostthreetimes_____