高中英语比较级课件.ppt

2012届高中英语语法复习专题比较结构,形容词和副词的比较等级是多年来高考考查的重点之一,现结合高考考点对其用法作一介绍。,考点一：原级比较一般结构asas;notasas;thesameas;Theworkisnotasdifficultasyouthink.Lastyear,landvaluesinmostpartsofthepinelandsrosealmostasfastas,thoseoutsidethepinelands.,3.ThisisthesamecarthatIrodeonyesterday.这就是就是我昨天坐过的那辆车。4.ThisisthesamecarasIrodeonyesterday.这辆车像我昨天坐过的那辆一样。5.Thisbookisasthickasthatone.,特殊结构:AistoBwhat/asXisY;A+倍数或几分之几as+adj./adv.+as+B.,1.Airistouswhat/aswateristofish.我们与空气的关系就像鱼和水的关系。2.Thehydrogenatomisnear1yl6timesaslightastheoxygenatom.氢原子的重量约为氧原子的1/16（即比氧原子约轻15/16）。,3.Americanseatvegetablesperpersontodaymorethantwiceasmanyastheydidin1990.美国人现在吃的蔬菜是1990年时的两倍以上。,考点二：比较级常用结构A比较级than+BAfricanelephantsarelarger，fiercer，andmoredifficulttotamethanAsianelephants.Thisquestionislessdifficultthanthatquestion.(比较对象为彼此独立的人或事物),3.Ironismoreusefulthananyothermetal.(比较对象具有所属关系，含有最高级含义)特殊结构：themorethemore(越越)；moreandmore(越来越)1.Themorecarefulyouare,thefewermistakesyouwillmake.,2.Themorehethoughtofthat,themoreworriedhefeltabouthismother.3.AsurveyindicatedthatmoreandmorelocaltalentsinChinaflowedtomultinationalssincemultinationalsaremostlyengagedincutting-edgehi-techresearchesandofferhighsalaries.,考点三：以拉丁文-ior结尾的含有比较意义的形容词后接to而不是than.inferior,superior,senior,junior,prior(在之前)Heisthreeyearssenior/juniortome.Thistypeofcomputerissuperiortothattype.MostwinefromSwitzerlandisinferiortowinefromFrance.Ithappenedpriortomyarrival.,考点四：最高级用于三者以上的事物之间的比较，所以比较的范围自然是少不了。一般表示地方用介词in;表示所属关系和人物比较用介词of.(即the+最高级in/of),TheYangtzeRiveristhelongestriverinChina,butitisthethirdlongestriverintheworld.Theyoungestmemberofthefamilyismostsuccessful.Ofallformsofenergy,electricityismostwidelyused.,考点五：在morethan结构中，than有时可看作关系代词，相当于thanwhat,1.Thereoughttobelessanxietyovertheriskofgettingcancerthanexistsinthepublicmindtoday.(Than=thanwhat)人们不应该像今天这样担心害怕患上癌症。,2.Therearemorewondersinheavenandearththanaredreamtof.(than=thanwhat)天地间的奇迹比人们所梦想的要多得多。3.Themedicineismoreeffectivethanisexpected.(thanwhatisexpected),考点七：几组由“morethan；morethan”和“no/not比较级”等构成的惯用句式及其含义。morethan其含义为:“不仅是，非常，十分”等，用法和意义较多。morethan其含义可以是:“与其说不如说，不是而是”,考点六：英语中有一小部分表示绝对意义的形容词没有比较级和最高级。dead,deaf,empty,total,whole,perfect,complete,right,wrong,equal,dailyfalse,finalabsolute,alone,round,supreme（至高无上的）,unique,straight,eternal(永恒的）,unanimous（无疑义的）,1.Whatwearedoingtodayismorethandonatingsomemoney.今天我们所做的不只是捐一些钱。2.Theiractionwasmorethanjustified.他们的行动是完全有理由的。,3.Heismorebravethanwise.他有勇无谋。4.Thebookseemstobemoreadictionarythanagrammar.这本书看起来与其说是一本语法书，不如说是一本词典。,nomorethannotmorethan1.Hehasnomorethanfivedollarsonhim.他身上仅有5美元。(强调少)2.Hehasnotmorethanfivedollarsonhim.他身上带的钱不超过仅有5美元。(强调数额少于5美元),nomorethannotmorethan1.Heisnomorediligentthanyou.他不勤奋，你也不勤奋。(两人都不勤奋)(含有消极否定的意思)2.Heisnotmorediligentthanyou.他没有像你那样勤奋。(两人都勤奋，但你更勤奋)(含有积极、肯定的意思，表示程度上的差异）,nolessthan=asmuchas意为：“竟有之多，多达”强调多notlessthan意为“不少于，至少”，可观地描述nolessthan前后均为肯定，含有惊奇的感情色彩。可译为：“是是，正是，和一样，多达，应有之多”,1.Hissonhasreadnolessthan50Englishbooks.他的儿子竟然读了50本英文书。(强调多)2.Hissonhasreadnotlessthan50Englishbooks.他的儿子读了不少于50本英文书。(不强调多或少),活学活用用含than的结构填空：1.Whatheissayingis_ajoke.他所讲的只不过是个玩笑而已。2.Theestimateof20012tonswasprobably_anotherwildassumptionoftheirs.译文这个二万零一十二吨的估计数字，也许只不过是他们的又一个胡编乱造。,nomorethan,nomorethan,Themiddle-agedmanwasnolessapersonthanthenewminister.这位中年人正是新来的部长。Hervoiceisnolesssweetthanitusedtobe.她的歌声和以前一样甜美。,3.Awhaleis_afish_ahorseis.(=Awhaleisnotafishanymorethanahorseis.)译文鲸和马都不是鱼。(鲸之非鱼类，正如马之非鱼类。),nomore,than,4.Theywill_selltheirfreedomforroubles_fordollars.译文他们既不会以他们的自由换取美元，也将同样不会以自由换取卢布。,nomore,than,5.Thelittlemanwas_onemeterfiftyhigh.A)almostmorethanB)hardlymorethanC)NearlyD)asmuchas解析hardlymorethan用来表示“仅仅”。根据句意：这个小个子男人仅有1.5米高，应选择B.,6.Themurdererturnedouttobe_personthantheinspectorhimself.nomoreB)nootherC)notlessD)notrather译文结果是，那个杀人犯不是别人，正是巡官自己。解析nootherthan只有，正是。它常用来加强语气，多用于书面语。,7.Amanwhocannotreadandwriteisnobetterthantheblind.nobetterthanB)notbetterthanC)thesameasD)nomorethan译文不识字的人跟瞎子没有两样。解析nobetterthan和一样，实际上等于(practicallythesameas),8.Itisreportedthat_adoptedchildrenwanttoknowwhotheirnaturalparentsare.themostB.mostofC.mostD.themostof译文据报道大多数被收养的孩子想知道他们的亲生父母是谁。解析most大多数的意思;mostof某个范围中的大多数。,9.Certainprogramsworkbetterforsome_forothers.A.andB.thanC.asD.but译文某些项目对有些人来说效果不错对其他人来说则不然。解析betterthan与其说倒不如说。,10.Therearefewelectronicapplications_toraisefearsregardingfutureemploymentopportunitiesthanrobots.A.likelyB.morelikelyC.mostlikelyD.muchlikely译文很少有电子应用软件能够像机器人那样引起人们对未来就业机会的担忧。解析morelikelythan比较结构,11.Thetrumpetplayerwascertainlyloud.butIwasntbotheredbyhisloudness_hislackoftalent.A.thanB.morethanC.asD.somuchas译文演奏者吹得声音很大，但是我不是被他的噪声打搅，而是因他缺乏天赋而生气。解析somuchas用在否定句中：与其说，不如说,12.Iftapwaterwereasdangerousassomepeoplethink,_wouldbegettingsick.A.alotofmoreusB.morealotofusC.alotofusmoreD.alotmoreofus译文如果自来水向有人认为的那么危险，我们会有更多的人生病。解析more是us的同位语。,13.Radio,televisionandpress_ofconveyingnewsandinformation.A）arethethreemostcommonmeansB）arethemostcommonthreemeansC）arethethreemostcommonmeansD）arethreethemostcommonmeans译文无线电、电视和报纸是传播新闻和信息的三个最常见的工具。解析本题考查形容词的排序。限定词（冠词、代词、数词等）表示性质的形容词表示大小、长度、形状的形容词表示颜色的形容词名词或动名词、物质形容词被修饰的名词。,14.Innocountry_Britain,ithasbeensaid,canoneexperiencefourseasonsinthecourseofasingleday.otherthanB)morethanC)betterthanD)ratherthan,解析句意为：除了在英国，一个人不可能在其它国家在一天内经历四季。otherthan表示“除之外”，故选择A.,15.Thiscropdoesntdowellinsoils_theoneforwhichithasbeenspeciallydeveloped.A)beyondB)ratherthanC)outsideD)otherthan,解析otherthan意思是：不同于，除之外；ratherthan意思是：而不是。根据句意：除了这块专门为它培育的土壤，这种作物在其它土壤上都生长不好。应选择D.,改错题1.Ofallhisbrothers,heisthecleverest.Ofallthebrothers,heisthecleverest.2.Heistallerthananyoneinhisclass.Heistallerthananyoneelseinhisclass.3.Heworksharderthananyotherstudentsinhisclass.Heworksharderthananyotherstudent/alltheotherstudents/alloftheotherstudentsinhisclass.,4.Thechildrenwatchedtheratrunninghereandthereinthetigerscage.Theyweremoreinterestedintheratthanthetiger.interestedintheratthaninthetiger.5.Ilikereadingbetterthanyou.Ilikereadingbetterthanyoudo.,6.Shewasthehappiestwhenshesawhersonreturninghomeformschoolhappily.当最高级在作自身比较时，前面不用the。7.Sheisthemostbeautifulbutnotamostbeautifulgirlinherschool.形容词最高级作定语不表示最高级意义，而表示“非常、很”，相当于very，这时最高级前常用a(an)。,8.TheYellowRiveristheChinassecondlongestriver.当形容词最高级前有别的限定词如物主代词、名词所有格等修饰时，不用the。9.Howbeautifullyshesings!Ihaveneverheardabestvoice.有时比较等级作定语与never连用，表示最高级的意义。,10.Whichisalargercountry,CanadaorAustralia?表示“两者中更”。在此句型中，形容词比较级前加the。,