Unit7第3课时（GrammarFocus4c）（课件）八年级英语下册（人教版）

COMPANY

SLOGAN汇报人：千库网汇报日期：202X人教版英语（八年级下）SectionA（Grammarfocus-4c）Unit6Anoldmantriedtomovethemountains.Lead-in2Practice3ContentSummary5Exercises6Consolidation41Learningobjectives文化意识语言能力思维品质学习能力1Learningobjectives1.对询问高度、长度、宽度、深度的疑问句进行归纳总结，掌握其规则；2.通过不同方式的练习，熟练掌握本单元的比较级以及最高级的语法知识。掌握并能灵活运用本单元的重点词汇以及相关短语，能从更多典型的句子中掌握形容词、副词比较级、最高级更丰富的用法。鼓励学生仔细观察并善于发现总结规律。培养学生热爱大自然的思想。Whichmountainisthehighestintheworld?Qomolangma.howhighisit?It’sabout8,800metershigh.Lead-in2Whocananswermostquicklyandcorrectly?theSaharaIt’sabout9,600,000squarekilometersinsize.Whichdesertisthelargestintheworld?howlargeisit?Whocananswermostquicklyandcorrectly?TheYangtzeRiverItisabout6,300kilometerslong.Whatisthesecondlongestriverintheworld?Howlongisit？Whocananswermostquicklyandcorrectly?Whatisthelongestwallintheworld?TheGreatWall.Howlongisit？It’sabout8,850kilometerslong.It’sthe

longest

wall

in

the

world.Whocananswermostquicklyandcorrectly?Whichcountryhasthelargestpopulationintheworld?India(hasthelargestpopulationintheworld).What’sthepopulation?Ithasabout1,417,000,000peopleinIndia.Whocananswermostquicklyandcorrectly?What’sthehighestmountainintheworld?Qomolangma.HowhighisQomolangma?It’s8,844.43metershigh.It’shigherthananyothermountain.Whichisthedeepestsaltlakeintheworld?TheCaspianSeaisthedeepestofallthesaltlakes.DidyouknowthatChinaisoneoftheoldestcountriesintheworld?Yes,Idid.It’smucholderthantheUS.GrammarFocus①

问深度：Howdeepis/are...?

HowdeepistheWestLake?②

问长度：Howlongis/are/...?

Howlongistheriver?③

问高度：Howhighis/are...?

Howhighisthedoor?④

问宽度:Howwideis/are...?Howwideisourclassroom?如何对物体的长度、高度、宽度和深度提问？长度、宽度、高度、深度的表示法老虎路有200米长，而且湿度很重。TigerPathis200meterslongandhasahighhumidity.这座山大概两千米高。Themountainisabouttwothousandmetershigh.那面镜子有两米长。Themirroristwometerslong.*长度、宽度、高度、深度的表示法，有一个专门的结构：“基数词+单位词+形容词”2.除了以上的表示方法，有时也可用“基数词+单位词+in+长宽高深度等的名词”来表示。…inlength长度…inwidth宽度…inheight高度…indepth深度若表示重量，可以用…inweightNowtrytotranslatethesentencesbelow:那个篮球运动员有两米高。那条河只有两米深/宽。这棵树有两米高。那条河长约两千米。Thebasketballplayeristwometerstall.Theriverisonlytwometersdeep/wide.Thetreeistwometerstall.Theriverisabouttwokilometerslong.5.这座山大约有两千米高。6.这个箱子大约有两米高/宽/长。Themountainisabouttwothousandmetershigh.Theboxisabouttwometershigh/wide/long.形容词和副词的比较级和最高级英语中的副词和形容词有三个等级：原级，比较级和最高级1.…as+原级+as…“和…一样”你和我一样高。Lily和Lucy跑的一样快。Youareastallasme.LilyrunsasfastasLucy.2.否定形式…notso\as+原级+as…“前者不如后者”你不如我高。Lily跑得不如Lucy快。Youarenotso\astallasme.Lilydoesn’trunso\asfastasLucy.3.倍数+as+原级+as…“…是…的几倍；表倍数关系”Youhouseisthreetimesaslargeasmine.Thissofaistwiceasbigasthatone.1.主语+谓语+比较级+than+比较对象“…比…如何”汤姆比他弟弟聪明。他跑得比汤姆快。Tomisclevererthanhisbrother.HerunsfasterthanTom.2.主语+谓语+the+比较级+ofthetwo

“主语是两者中较…的一个”杰克是兄弟二人中较瘦的一个。Jackisthethinnerofthetwobrothers.3.the+比较级…，the+比较级…“越…，就越…”你学习越努力，你越能取得好成绩。Theharderyoustudy,thebettergradesyouwillget.比较级的用法4.比较级+and+比较级…“越来越…”越来越好，越来越高越来越美丽，越来越外向betterandbetter,tallerandtaller.moreandmorebeautiful\outgoing我们的国家正变得越来越强大。雪正下得越来越大。Ourcountryisbecomingstrongerandstronger.Itissnowingmoreandmoreheavily5.比较级前可用even,far,much,alittle,bit等修饰，表示程度。你对此事的了解甚至还不如我。大象比熊猫重得多。Youknow______lessaboutitthanIdo.Theelephantweighs______morethanthepanda.evenmuch形容词和副词的最高级常用于______或_________的人或事(物)之间的比较。在句中使用时,形容词最高级前通常用_____.句中常含有表示比较范围的介词_____或_____。常用的句型结构为:三者以上三者theinof1.主语+谓语+(the)+最高级+in\of…

“…中最…”这是所有故事中最令人惊讶的。Thisisthemostamazingstoryofall.2.主语+谓语+oneofthe+最高级+in\of…

“…中最…之一”它是我们镇上最宽的公路之一。Itisoneofthewidestroadsinourtown.3.主语+谓语+the+序数词+最高级+名词+in\of…

“…中第…的”李明是我们班第二高的男孩。LiMingisthesecondtallestboyinourclass.4.疑问词+谓语+the+最高级，A，BorC?“在ABC中，谁最…？”月亮，地球和太阳哪个最大？Whichisthebiggest,themoon,theearthorthesun？最高级的用法用法：比较级形式表最高级含义。（比较双方属于同一范围内）

a.比较级＋than＋anyother＋单数名词+范围

Heistallerthananyotherboyinhisclass.b.比较级＋than＋theother＋复数名词+范围比较级＋than＋therestof＋复数名词+范围比较级＋than＋anyoftheother+复数名词+范围Shegoestoschoolearlierthantheothergirlsinherclass.ChinaislargerthananyoftheothercountriesinAsia.c.比较级+than+anything/anyoneelseGeorgedidmoreworkthananyoneelse.Tomcaredmoreformoneythanforanythingelse汤姆最喜欢钱。Fillintheblankswiththecorrectformsofthewordsinthebox.4abigmuchpopularlongoldhighTheAmazonRiverisoneofthe_______riversintheworld.It’salittle______thantheYangtzeRiver.Qomolangmais8,848.43meters_____.It’soneofthemost________placesforseriousmountainclimbers.3.Nooceanintheworldisas_____asthePacificOcean.4.AlthoughJapanis_____thanCanada,itis_____smaller.longestlongerhighpopularbigoldermuchWritetwocomparisonsabouttwotopics.Writetruefacts.e.g.Tworivers:theYangtzeRiverandtheAmazonRiverTheYangtzeRiverisalmostaslongastheAmazonRiver.TheAmazonislongerthantheYangtze,buttheYangtzeisthelongestriverinChina.4bTwocities:________________and_______________1.___________________________________________2.______________________________________________________________________________________Twoanimals:________________and_______________1.____________________________________________2.________________________________________________________________________________________SingaporeKualaLumpur(吉隆坡)KualaLumpurisasmodernasSingapore.SingaporeisbiggerthanKualaLumpurandhasalargerpopulationthanKualaLumpur.MonkeyDogAdogisbiggerthanamonkey.Amonkeyissmallerthanadog,butitclimbsatreefasterthanadog.1.能记住并正确运用本课时的重点单词、短语和句子。2.归纳并掌握形容词的原级、比较级和最高级的构成和用法;能使用形容词的原级、比较级和最高级对事物进行描述。3.通过讨论家乡之最,提升学生对家乡的热爱。Summary51.Mybrotherhas____booksthanI.A.muchB.moreC.manyD.most2.Themoreyousmile,the_____youwillfeel.A.happyB.happierC.happilyD.morehappily3.Iknowyouareshorterthanyourbrothers，butyourun_________.A.morefaster B.fastestC.morefast D.fast4.MrSmiththoughttheCenturyParkwasthesecond_____inShanghai.A.largeB.largerC.largestD.verylarge5.

IthinkEnglishisas____asmaths.

A.important

B.moreimportant

C.mostimportant

D.importanter一、单项选择BBBCAExercises61.Chinais_______(large)thananyothercountryinAsia.2.Ourcityisbecomingmoreandmore_________(beautiful).3.The_____(much)wedofortheoldpeople,the_______(happy)we’llbe.4.Mybrotheristhe______(tall)ofthetwoboysinthepicture.5.Herbedroomistwice_________(big)thanmine.6.Mrs.Smithlooksmuch__________(young)withhernewhairsty