unit4topic1【精讲课件】-八年级英语上册课堂（仁爱版）

Unit4OurWorld

Topic1What’stestrongestanimalsonthefarm目录Part1词

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关翻译下列词组：1.考虑________________________________2.享受自然之美_________________________3.追赶________________________________4.安静得多_____________________________5.过着更好的生活_______________________6.饲养宠物狗___________________________7.使我们快乐___________________________8.众所周知_____________________________9.与他们共享同一个世界__________________10..对我们很重要________________________thinkaboutenjoythebeautyofnaturerunaftermuchquieterliveabetterlifekeepapetdogkeepapetdogasweknow

sharethesameworldwiththembeimportanttous词组过关翻译下列词组：11.成千上万的______________________________12.扮演重要的角色__________________________13.灭绝___________________________________14.调节气候________________________________15.变得越来越小____________________________16.以……为食______________________________17.越来越少的陆地__________________________18.处在危险中______________________________19.为……而捕杀____________________________20.在中国的南方____________________________

thousandsandthousandsofplayanimportantpartdieoutcontroltheclimatebecomesmallerandsmallerfeedonlessandlesslandbeindangerkill...for

inthesouthofChina词组过关Part2语

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破比较等级的基本句型1.S+比较级+than+……MichaelisshorterthanBobMichaelisthinnerthanBob2.S+最高级+of(in,among)……TomistheshortestofallHeisthebusiestinourclassBobistheyoungestamongtheboys语法突破TomMichaelBobshortBobisshort.MichaelisshorterthanBobTomistheshortestofall155cm152cm150cm语法突破TomMichaelBobfatBobisfatMichaelisfatterthanBob.Tomisthefattestofall语法突破TomMichaelBobthinTomisthinMichaelisthinnerthanTom.Bobisthethinnestofall语法突破比较级与最高级的判断原则1、两者相比用比较级。2、三者或三者以上相比用最高级。3、出现than,必用比较级。4、形容词的最高级前要加the.比较级前不加the.语法突破形容词比较等级的不规则变化原级比较级最高级good/wellbad/illmany/muchlittlefarbetterbestworseworstmoremostlessleastfarther/furtherfarthest/furthest语法突破Part3考

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读即学即用：用括号中单词的适当形式填空1.Lesson5is__________(easy)thanLesson6.2.Thelibraryofthisschoolhas_________(many)booksbut_________(few)newspapersthanthatoftheotherschool.3.Heisthe________(lazy)inhisfamily.3.Thissongis________(good)thanthatone.Butitis___________(hard)tosing.4.LinHaoisoneof___________(brave)boysofall.easiermorefewerbetterharderthebravestlaziest语法突破用括号中单词的适当形式填空5.Whichseasondoyoulike______(well)spring,summerorfall?6.Whichdoyoulike________(well),JapaneseorEnglish?7.HuangheRiverisoneofthe________(long)riverinChina8.Ithinksheisthe____________(smart)inourclass.9.TheweatherinBeijingis__________(bad)thanthatinShanghai.bestbetterlongersmarterworse语法突破知识点01thinkabout与thinkof的区别

教材Page811a）thinkabout考虑，想……事情thinkof①考虑=thinkabout►Whatareyouthinkingof／about?你在想什么？②认为►Whatdoyouthinkofmyidea?你觉得我的想法怎么样？③想起，记得►Canyouthinkofhisname?你能想到他的名字吗？【典例】—Whatdoyou________thebasketballmatch？—Verygood．A.thinkaboutB．thinkoverC．thinkof【答案】C【解析】句意:你认为篮球比赛怎么样？非常好。thinkof意为“认为”。知识点02sheep的复数形式（教材Page811a）sheep的复数形式是sheep。其他单复数同形的单词还有：fish,deer(鹿),Chinese,Japanese，peoplegoose的复数是geese。【典例】Therearealotof_______downtherebuthardlyany_______.A.sheeps;people B.sheep;people C.sheeps;peoples D.sheep;peoples【答案】B【解析】sheep单复数同形，people人们，是复数形式知识点03inthecountryside在农村(教材Page811a）在乡村，在农村；在乡下_________________

在城市里_______________________________在郊区，在郊外_________________________

空中；空际；上空_______________________inthecountrysideinthecityinthesuburbsinthesky【典例】Canyouseethekiteflying_____thesky?It'ssohigh．A．onB．inC．with【答案】B知识点04runafter（教材Page811a）和run有关的词组1.追赶，追逐________________2.撞上，偶然碰见____________

3.跑向，趋向________________

runafterrunintorunto【典例】Look!Amouseis__________acat.Howinteresting!A.runningawayB.runningoutC.runningafter.【答案】B【解析】句意：看，一只老鼠正在追一只猫。多么有趣啊！runafter意为“追，追赶”知识点05ofall／the+基数词”，在所有／三者以上之中（教材Page831a）“ofall／the+基数词”，在所有／三者或三者以上之中。形容词一般用最高级。Katerunsthefastestofall凯特是跑得最快的【典例】—Didyouloveyourdaytrip?—Yes，weenjoyedtherollercoaster________ofall．A．mostB．1ittleC．moreD．less答案：A【解析】句意：你喜欢你的一日游吗？-是的，我们最喜欢滑旱冰。“ofall／the+基数词”，在所有／三者或三者以上之中。形容词一般用最高级。知识点06other,others,another,theother（教材Page831a）other+名词复数=othersothers+后不能接名词another+名词单数another+数词+名词复数theother...一个……另一个……（两个）【典例】①Herearetwoapples,oneisforme,___________isforyou.②Childrenshouldbetaughthowtogetonwellwith___________.③What___________thingscanyouseeinthepicture?④Wouldyoulike___________cupoftea?theotherothersother

another知识点07or与选择疑问句（教材Page831a）选择疑问句有以下两种句型：（1）一般疑问句+or+选项DoyouspeakEnglishorChinese?（2）特殊疑问句，选项+or+选项Whichdoyoulikebetter,plantsoranimals?【典例】Whichdoyoulike________,geography,historyorP.E.A.wellB.betterC.best答案：C【解析】句意：你最喜欢哪个，地理，历史或政治？三者相比，用最高级。知识点08playwith玩弄；与...一起玩（教材Page831a）playwith有两种意思：“玩弄”和“与...一起玩”。Don’tplaywithfire.不要玩火。It’sdangerousforkidstoplay_________matchesathomeA.withB.againstC.for答案：with【解析】句意:孩子们在家里玩火柴是很危险的。playwith意为“玩弄”。知识点09both...and...（教材Page841c）both...and...意为“...和...都；既...又...”。当连接两个主语时，谓语动词用“就近原则”。►BothDarrenandDavidarefromAmerica.达伦和大卫都来自美国BothMr.LinandMrs.Lin____________(like)musicverymuch.A.withB.againstC.for答案：with【解析】句意:林先生和太太都非常喜欢音乐。both...and...意为“...和...都；既...又...”。当连接两个主语时，谓语动词用单数。知识点10cover覆盖，盖子（教材Page851a）（1）cover作动词，“覆盖，遮盖(with)”。►Shecoveredherfacewithherhands．她用手捂住了脸。（2）作名词，“盖子，封面”。►Thebookneedsanewcover．这本书需要一个新的封面。（3）becoveredwith被……覆盖着。►Theroadwascoveredwithsnow．道路被雪覆盖了【典例】-Mostoftheearthis________withwater．A．coverB．coveredC．covers答案：B【解析】句意：在地球上的大部分地区背水所覆盖。becoveredwith意为“被……覆盖着”。知识点11earth地球，泥土（教材Page851a）（1）theearth地球（2）泥土►sandyearth沙土（3）onearth(用于加强疑问语气)究竟，到底►Whatonearthistheproblem?这到底是什么问题呢？on(the)earth=intheworld在世界上►Heistheluckiestmanonearth．他是世界上最幸运的人【典例】-Inordertohelpsavethe_________(地球)，weshouldlivealowcarbonlife．答案：earth知识点12thousandsof成千上万的，许多的（教材Page851a）thousandsof／hundredsof／millionsof都指“量多，成千上万的”，注意前面不能再加具体的基数词。thousandsandthousandsof也是指成千上万的。【典例】-OnNationalDay，__________________(成千上万)peoplegotoTian'anmenSquareandwatchthenationalflaggoup．答案：thousandsof知识点13above／over／on辨析（教材Page851a）（1）above“在……之上”，表示位置的上下关系，不强调垂直。反义词是below。►Alamphangsaboveus．我们的上方挂着一盏灯。（2）over表示“(垂直地)在……上面”。反义词是under，它还可以表示“越过”。►Heclimbedoverthemountain．他爬过了山。（3）on指在物体的表面上，与该物体接触。►Thereisabookonthedesk．桌子上有一本书。【典例】-Thetemperaturetodayis________zero，andit'smuchwarmerthanyesterday．A．overB．underC．aboveC知识点14providesthforsb为某人提供某物（教材Page851a）providesthforsb=providesbwithsth为某人提供某物【典例】-Therichmanprovidedmuchfood_______thepoorfamiliesduringthehardtime.A.withB.toC.for答案：C【解析】句意：富人在困难时期提供了很多食物给贫困家庭。providesthforsb=providesbwithsth为某人提供某物。知识点15smallerandsmaller越来越小（教材Page851a）“比较级+and．+比较级”或“moreandmore+多音节词原形”，表示“越来越……”。►Winteriscoming．Itisgettingcolderandcolder．冬天即将来临。天气越来越冷了。ThenumberoftheChinesepandasisbecoming__________.Weshouldtryourbesttoprotectthem.A.fewerandfewerB.smallerandsmallerC.moreandmore答案：B【解析】句意：中国熊猫的数量正在成为越来越小。我们应该尽力保护他们。number可以和big,small搭配。知识点16feedon以...为食（教材Page871a）（1）feed,作动词，意为“喂，饲养”。过去式是fed。►Didyoufeethedogthismorning?（2）feedon,意为“以...为食”。►pandasfeedonbamboo.【典例】Whatdowhales__________,doyouknow?ThesmallseaanimalsA.cheeronB.livewithC.feedon【答案】C【解析】句意：鲸鱼以什么为食，你知道吗？小型海洋动物。feedon,意为“以...为食”。知识点17innumber在数量上。（教材Page851a）innumber在数量上。►Wildanimalsarebecomingsmallerandsmallerinnumber.知识点18beindanger处在危险中（教材70）bein+名词，用来表示“某人、某物处于...中”。类似的短语还有:►处于麻烦中________________.►心情良好___________________►在危难中，在危急中_________

beintroublebeinagoodmoodbeinneed【典例】Manyanimalsare___________.Weshoulddosomethingtohelpthem.A.indangerB.infactC.inall【答案】C【解析】句意：许多动物都处在危险中。我们应该做点什么来帮助他们。beindanger处在危险中知识点19land陆地，着陆（教材Page87）（1）land可作名词意为“陆地”，不可数名词。►lessandlessland（2）作动词时，意为“着陆，登陆”。►Theplanelandedsafely【典例】Whenwilltheplane________?Iwanttomeetmyfriend.At4:00tomorrow.A.takeB.landC.fly【答案】B【解析】句意：飞机什么时候着陆？我想见见我的朋友。作动词时，意为“着陆，登陆”。Part4综合训练1.Thefarminglandisbecoming___________________(变的越来越少)2.Lionsarethestrongestanimals_________(在所有当中)3.________________(众所周知)，forestsareimportant.4.Inthepast,peopleonly___________(以...为食)rice.5.Manywildanimalsare______________(处在危险中)6.Someplantsare____________(灭绝)now.7.Youngpeople______________________________(起着重要作用)makingourcountrystronger.8.Wecansee_______________(成千上万)starsinthesky.lessandlessofallAsweknowfedonindangerdyingoutplayanimportantpartinthousandsof根据汉语提示完成句子重点词组根据情景提示或图画、提示词，完成下列句子：1.你想知道朋友是否喜欢农村，可以这样问：

_______________________________________________?2.你想知道班上谁最强壮，可以这样问：

______________________________________inourclass?3.当你听到朋友要到农场度假时，你这样推测他的假期生活：

_______________________________________________?

4.big,than________________________________5.nice,all_________________________________DoyoulikethecountrysideWhoisthestrongestThatmustbefunThehorseisbiggerthanthesheep.Therabbitsarethenicestofall.句型操练SectionA根据情景提示或图画、提示词，完成下列句子：1.你想知道朋友更喜欢哪个，动物还是植物，可以这样问：

_________________________________,plantsoranimals?2.你想知道对方为什么这样想，可以这样问：

_______________________________________________?3.你告诉朋友你喜欢玫瑰，因为你认为它们是最好看的花，可以这样说：IlikerosesbecauseIthink______________________.

4.like,cute,than_____________________________________.5.share,same_______________________________________.WhichdoyoulikebetterWhydoyouthinksotheyarethenicestofalltheflowersIlikedogs(best)becausetheyarecuterthanotheranimals.LiMing/WuDongsharesthesamedeskwithWuDong/LiMing.句型操练

SectionB根据情景提示或图画、提示词，完成下列句子：1.朋友不知道什么是热带雨林，你可以这样向他介绍：

Rainforestare__________________________________.2.你想知道热带雨林为什么对我们很重要，可以这样问：

____________________________________________3.老师告诉我们热带雨林是地球之肺，它能使空气清新，他这样说：Theplantsintherainforestshelp__________________.

4.ask,not

_______________________________________5.play,life________________________________________thickforestsinthehotpartsoftheworld

WhyarerainforestsimportanttoustomaketheairfresherandcleanerTheyaskpeoplenottocutdowntrees.Computersplayanimportantpartinourlife.句型操练

SectionC根据情景提示或图画、提示词，完成下列句子：1.老师告诉我们熊猫的数量正在变少，她这样说：

Pandas_________________________________________.2.你想知道世界上哪种动物最重，可以这样问：

_______________________________________________?3.你想知道朋友喜欢哪种动物，老虎还是大象，可以这样问：

________________________________________________?

4.feed_________________________________________5.kill,for______________________________________arebecomingfewerinnumberWhichistheheaviestanimalintheworldWhichanimal(s)doyoulikebetter,tigersorelephants

Cowsfeedongrass.Peoplekilltigersfortheirbonesandfur.句型操练

SectionD用括号中所给单词的适当形式填空：1.Thereare_________(many)booksinthislibrarythaninthatone. 2.Heisalittle__________(funny)thanhisbrother. 3.Heis_________(tall)studentinourclass. 4.Thiselephantisvery_________.Itis________inthezoo.(heavy) 5.Jamesis___________(strong)ofallthestudents.6.Theredappleis____________(big)ofthethree. 7.Whichis_____________(new),thisoneorthatone? 8.XiaoLi'spictureis______________(bad)thanXiaoWang's. 9.Thepicturesarevery_________(nice).Butthoseare________(nice)thanthese. moremoreheaviestheavystrongestbiggestnewerworsenicernicefunniertallest综合运用

选择填空：( )1.The_______aresmallerthanthecows.A.sheep B.mouse C.goose( )2.Mondayishot,butTuesdayis_______thanMonday.A.hoter B.hotC.hotter()3.—Whatareyoudoing?—I'm___________theschoollife. A.thinkabout B.thinkover C.thinkingabout( )4.Sheis________ tallerthanhersister.A.more B.much C.little(

)5.Whichis__________ movietheaterinyourtown?

A.better B.thebetterC.theworstAACCBC综合运用()1.Mrs.Greenhas__freetimethanMr.Green.Sheisbusyallday.A.much B.less C.more()2.—Kittywasvery_____lastyear,butsheismuch______now.—Don'tyouknowsheexerciseseveryday?A.fat,thinner B.fatter,thin C.fat,fatter()3.Thetreesare____20meters____thegroundandtheyhelp___theairfresh.A.between,and,tomakeB.over,from,makeC.over,from,making()4.—TheKing’sSpeechhasbecomethe83rdOscarwinner.Ilikeitverymuch.—Me,too.Ithinkthisis_____filmI’veseen.A.abetter B.theworst C.thebestBAAC综合运用Manyanimalsarein1________.TheInternetsayspeoplekilledalotofwildanimalsfor2_________(make)money.Somepeoplelike3_________(eat)wildanimals,buttheydon'tknowwildanimalscanalso4________(/briŋ/)diseasestopeople.Wemustdosomethingtostopthediseases5________harmingourhealth.Otherpeoplekillsomeanimalsfortheir6_________(bone)andfur. Also,manypeopledon'tknowtheimportanceof7________(protect)wildanimals.The8_______(/'nΛmbə/)ofwildanimalsissmallerandsmaller.Inordertokeepthebalanceof 9_________(/’neitʃə/),weshouldtryour10________toprotectwildanimalsandourenvironment. dangereatingbringsfrombonesprotectingnumbernaturebestmaking综合运用

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导YourideasharethesamehomewithotherlivingthingsProblems1.cutdowntreesandforests2.huntanimalsformoney3.makemorespaceforfarmsandbuildings4.manynaturaldisastershappeneveryyearWays1.thegovernment:makelawstoprotecttheenvironmentandanimals2.westudents:……ImportanceIfwedo/don’tdo……，……YourideasharethesamehomewithotherlivingthingsProblems1.cutdowntreesandforests2.huntanimalsformoney3.makemorespaceforfarmsandbuildings4.manynaturaldisastershappeneveryyearWays1.thegovernment:makelawstoprotecttheenvironmentandanimals2.westudents:……ImportanceIfwedo/don’tdo……，……YourideasharethesamehomewithotherlivingthingsProblems1.cutdowntreesandforests2.huntanimalsformoney3.makemorespaceforfarmsandbuildings4.manynaturaldisastershappeneveryyearWays1.thegovernment:makelawstoprotectthee