辽宁省法库县东湖第二初级中学九年级英语上册 Chapter 2 Computers Language and writing教案 牛津沈阳版

PAGEChapter2ComputersLanguageandwriting【本讲教育信息】一.教学内容：Chapter2ComputerLanguageandwriting本讲主要内容（一）本章语法知识讲解：形容词比较级和最高级（二）课后写作练习题 答案 八年级地理上册填图题岩土工程勘察试题省略号的作用及举例应急救援安全知识车间5s试题及答案  知识总结与归纳（一）本章语法知识讲解   形容词比较级和最高级as+形容词或副词原级+as1）在否定句或疑问句中可用so…as.Hecannotrunso/asfastasyou.2）当as…as中间有名词时采用以下格式。as+形容词+a+单数名词as+many/much+名词Thisisasgoodanexampleastheotheris.Icancarryasmuchpaperasyoucan3）用表示倍数的词或其他程度副词做修饰语时，放在as的前面。Thisroomistwiceasbigasthatone.Yourroomisthesamesizeasmine.4）倍数+as+adj.+as　<=>倍数+the+n+ofThisbridgeisthreetimesaslongasthatone.Thisbridgeisthreetimesthelengthofthatone.Yourroomistwiceaslargeasmine.Yourroomistwicethesizeofmine.比较级形容词或副词+thanYouaretallerthanI.Theylightsinyourroomareasbrightasthoseinmine.注意：1）要避免重复使用比较级。（错）Heismoreclevererthanhisbrother.（对）Heismorecleverthanhisbrother.（对）Heiscleverthanhisbrother.2）要避免将主语含在比较对象中。（错）ChinaislargerthatanycountryinAsia.（对）ChinaislargerthananyothercountriesinAsia.3）要注意对应句型，遵循前后一致的原则。ThepopulationofShanghaiislargerthanthatofBeijing.Itiseasiertomakeaplanthantocarryitout.4）要注意冠词的使用，后有名词的时候，前面才有可能有名词。比较：Whichislarge，CanadaorAustralia？Whichisthelargercountry，CanadaorAustralia？Sheistallerthanhertwosisters.Sheisthetallerofthetwosisters.可修饰比较级的词1）abit，alittle，rather，much，far，byfar，many，alot，lots，agreatdeal，any，still，even等2）还可以用表示倍数的词或度量名词作修饰语。3）以上词（除byfar）外，必须置于比较级形容词或副词的前面。many，old和far1）如果后接名词时，muchmore+不可数名词manymore+可数名词复数2）old有两种比较级和最高级形式：older/oldest和elder/eldest.elder，eldest只用于兄弟姐妹的长幼关系。Myelderbrotherisanengineer.Maryistheeldestofthethreesisters.3）far有两种比较级，farther，further.在英语中两者都可指距离。在美语中，farther表示距离，further表示进一步。Ihavenothingfurthertosay.the+最高级+比较范围1）TheSaharaisthebiggestdesertintheworld.形容词最高级前通常必须用定冠词the，副词最高级前可不用。形容词most前面没有the，不表示最高级的含义，只表示“非常”。Itisamostimportantproblem.=Itisaveryimportantproblem.注意：使用最高级要注意将主语包括在比较范围内。（错）Tomisthetallestofhisthreebrothers.（对）Tomisthetallestofthethreebrothers.2）下列词可修饰最高级，byfar，far，much，mostly，almostThishatisnearly/almostthebiggest.注意：a.very可修饰最高级，但位置与much不同。Thisistheverybest.Thisismuchthebest.b.序数词通常只修饰最高级。Africaisthesecondlargestcontinent.3）句型转换：Mikeisthemostintelligentinhisclass.Mikeismoreintelligentthananyotherstudentsinhisclass.4）“否定词语+比较级”，“否定词语+so…as”结构表示最高级含义。Nothingissoeasyasthis.=Nothingiseasierthanthis.=Thisistheeasiestthing.中考链接1）—Areyoufeeling____？—Yes，I’mfinenow.A.anywell           B.anybetter         C.quitegood        D.quitebetter答案：B。any可修饰比较级，quite修饰原级，well的比较级为better.2）Theexperimentwas____easierthanwehadexpected.A.more                 B.muchmore        C.much               D.moremuch答案：C。much可修饰比较级，因此B，C都说得通，但easier本身已是比较级，不需more，因此C为正确答案。3）Iftherewerenoexaminations，weshouldhave___atschool.A.thehappiesttime             B.amorehappiertimeC.muchhappiesttime         D.amuchhappiertime答案：D。（二）课后写作练习题答案P29ADearGranYesterday,MumandDadgaveustworadio-controlledcarsforourbirthday.Theyaregreat!Nigel’scarisa‘Lightning’.Itis(1)fasterthanmine,whichisratherslow.Mycarisa‘Hi-Climb’,anditis(2)betteratclimbingoverthingsthanthe‘Lightning’.The‘Lightning’is(3)longerand(4)lowerthanthe‘Hi-Climb’.The‘Hi-Climb’weights210gandsoitis(5)heavierthanthe‘Lightning’,andthismeansthatthebatteryuseisheavier(6)thanthe‘Lightning’,too.The‘Lightning’is(7)lighter,withaweightofjust150g.Thismeansthatiscango(8)fartherononesetofbatteries.Sometimesweputtoypeopleinthecars.The‘Hi-Climb’canhold(9)morepassengers,asithas4seats.The‘Lightning’isgoodonaflatsurface,butitis(10)worsethanthe‘Hi-Climb’onroughground,becauseitcannotclimboverthings.LoveRobinP30BDearPeterThanksforyourletter.Inreplytothequestionattheend,myparentshavejustboughtanewflat!TheylookedatoneinPeakVillaandoneinSeasideCourt.TheychosePeakVilla.TheflatthereisbiggerthantheflatinSeasideCourt,butithasfewerrooms.Itisalsomoremodern,anditspriceishigher.Itisnearertotheschool,butitisfartherfromthemarket.Finally,theviewfrompeakVillaisbetterthantheviewfromSeasideCourt.I’llsendyouaphotoinmynextletter.BestwishesRobin