高中英语 Unit7 Lesson3 The Sea World课件 北师大版必修3.ppt

TheSeaWorld,lesson27,dolphin,penguin,coralreef,ray,seal,crab,starfish,polarbear,tropicalfish,toadfish,anglerfish,thetiniestfishintheworld-gobyfish,giantsquid,deadliestkillerinthesea-whiteshark,Matchthesecommentsfromvisitorstothedifferentareasoftheaquarium.1.Itwasterrible!TherearetoomanyinthepoolandIdontthinktheyenjoytheshow.Ithinkitscrueltothemdotricks.2.Howdotheystopitfrommelting?ItwasgreatbutIfeltquitecoldafterawhile.3.Ontheonehand,welovedmostoftheattractions,especiallytheoneforthechildren.Ontheotherhand,Ididntthinkthatthecafeteriawasasgoodasitshouldbe.4.Ilearnedalot.Imean,Ididntknowthatafishcouldbenoisy!However,Ithoughtsomeoftheothereffectswerelessrealistic.,PolarWorld,DiscoveryPool,VirtualRealityVoyage,Aquatheatre,Readtolearn,1.Whichfishusealighttoattractfood?Anglerfish2.Whichfishcanmakealoudnoise?Toadfish3.Whatkindoffishappeartoflyinthewater?Rays4.whatkindoffishchildrencantouch?Crab,starfishandothersmallercreatures5.whicharethesmallestfishintheworld?Gobyfish,Writetheadjectivesinthecorrectform.,Dolphinscanbeuptotwelvetimes(1small)_thanwhalesbut(2big)_isnotalwaysbetter.Dolphinsareprobably(3intelligent)_creaturesinthesea.(4big)_dolphinscanmeasurefourmetersbutcommondolphinsareusuallylessthantwometreslong.,smaller,big,themostintelligent,Thebiggest,Dolphinsareoneof(5friendly)_creaturestomanandoftenfollowships.Dolphinsalsohavea(6good)_systemofcommunicationthanotheranimals.Theyare(7easy)_.Ofallanimalstotrainandareoften(8popular)_animalsinzoosandaquariumsroundtheworld.,themostpopular,theeasiest,better,thefriendliest,Completethetextwiththecorrectformoftheworldsinbrackets,Thisisastoryofaverybigfishandaverysmallfisherman.Six-year-oldBenWoodisonly100centimetrestallin_(high),buthecaughtafishwhichis120centimetresin_(long).Andthefish,atforty-onekilos,is_(big)rainbowtroutthatanyfishmanhaveevercaught.Anaveragerainbowtroutmeasure90centimetresin_(long),anditcanweight_(much)30kilos.,height,length,thebiggest,length,asmuchas,课文中出现的比较级,1.Itsthreetimesasbigasunderwater2.Theyarelesscolorfulthanotherfishbuttheymovebeautifully.3.Youcertainlywontfindanoisierfish.4.Theyhaveahugemouthandcaneatfishasbigasthemselves,1.“as+adj/adv+as或notso(as)+adj./adv.+as.”句型。该句型常用来描述两个比较对象的程度上的相似或不同(即平时说的“等级比较和不等级比较”)。e.g.：Mycomputerisnotso(as)expensiveasyours.我的电脑不如你的贵重。2.“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。e.g.：1.Youmayborrowasmanybooksasyoucan.你能借多少书就借多少。2.“Drinkasmuchwaterasyoucan.”thedoctorsaidtohim.医生对他说到：“你要尽可能的多喝些水。”,3.“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。e.g.:LiMingismuchclevererthananyotherstudentintheirclass.李明是他们班中最聪明的学生。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”。e.g.:ChinaislargerthatanycountriesinAfrica.中国比非洲上的任何国家都大。,4.诸如not,never之类的否定词与形容词或副词的比较级连用,表示最高级含义.意为:再没有“比更的了”.e.g.:Itisnotabetteridea.这是再好不过的一个办法了。Ihaveneverheardsuchaninterestingstory.我从来没有听过比这更有趣的故事了。,5.“形容词+to”结构也可表示比较含义。e.g.：1.Thiskindofcarissuperiorinqualitytothat.这种汽车的质量比那一种好得多(superiorto意为：优于；胜过。)2.LipingisthreeyearsseniortoLiuGang.李平比刘刚大三岁。(seniorto意为：年长于；资格老于；地位高于。)6.“no+比较级+than”结构表示对两个比较对象都进行否定(可由neithernor结构来改写)。e.g.：Imnomorefoolishthanyou.我们俩都不傻。(相当于NeitherInoryouisfoolish.),7.“notmore+比较级+than”结构表示在程度上前者不如后者e.g.:Thisbookisnotmoreinterestingthanthatone.这本书不如那本书有趣。(相当于:Thebookislessinterestingthanthatone.)8.“形容词比较级+than+形容词”,意为:与其倒不如.e.g.:Jackismuchharderthanclever.与其说杰克聪明，倒不如说他学习用功。,9.wouldratherthan,preferto,prefertodoratherthan这三个句型表示“宁愿而不愿;喜欢胜过宁愿做而不愿做”含义。虽无比较级形式，但表示比较级含义。e.g.:Shewouldratherdiethangivein.她宁死不屈。Hepreferredtogooutratherthanstayhome.他宁愿出去也不愿呆在家里。10.“The+比较级，the+比较级”.该结构意为“越，越”。e.g.：Themoredifficultthequestionsare,thelesslikelyheisabletoanswerthem.问题越难，他回答出来的可能性就越小。,11.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：(1)AistoBwhatCistoDTwelveistwow