Unit4单元总结复习课件牛津深圳版英语八年级下册

1.复习第四单元重点词汇、短语和课文。2.复习形容词和副词的比较级和最高级的变化规则和用法。3.阅读三篇主题为人与社会-科学与秩序（人类发明与创新）的文章，提高阅读技巧，学习创新技能，激发探索精神，为家乡发展、祖国强大以及社会和人类进步做出贡献。

假设你是李华，明天下午14：00，你要去听一个科技改变生活的讲座，请你写一封邀请信，邀请好友Tom一同前往，内容包括:1.提出邀请; 2.讲座的信息(包括时间、地点、内容等); 3.期待回复要求:1.词数60-80词，开头已为你写好，不计入总词数；2.可以适当增加细节，以使行文连贯。

DearTom,I’mwritingto________________________________________________________________________________________________________________________________

YoursLiHua拓展阅读：人与社会—科学与秩序（人类发明与创新）作文展示讲座信息期待回复TimePlaceContentsTopicsentenceExpectation提出邀请项目最高得分实际得分1段落清楚12字迹工整1-23要点154要点255要点356字数60-8027词汇、语法错1处-1分0

总分：19115552Expositorywriting

说明文Introduction引入观点

Body详细说明Conclusion总结观点Introduction引入观点

Body事例说明教材回顾—Inventions①②③④⑤

总—分—总unit4总结unit4总结ReadingandmorepracticeInventionThewheelThetelephoneThelightbulbTheballpointpenInventorWhenwasitinvented

LifebeforeinventionLifeafterinventionafewthousandyearsagoTravellingwasverydifficult.1876couldn’tspeaktoeachotheroverlongdistances.speaktoeachotheroverlongdistances;keepintouchwitheachotheranytime,anywhereusedoillamps,gaslampsorcandlestoseeatnight.doasmanythingsintheeveningsastheycaninthedaytimeDon’tknowAlexanderGrahamBellThomasEdison1879LaszloBirohadtorefillthefountainpenallthetime;notdryeasily;madeamessonthepaperdon’thavetorefillallthetime,andtheinkdrieseasily;moreconvenienttowritewiththe1830s教材回顾—Inventionsunit4总结Exercises:Reading–thewheelcentury找关键推词性细观察定词形教材回顾—Readingpassengers①comfortable

adj.舒适的；使人舒服的-morecomfortable-mostcomfortable②uncomfortableadj.不舒服的③comfortablyadv.舒服地eg.Isitinthecomfortalechaircomfortably.invention填空/词形填空①inventv.发明②inventor

n.发明家③inventionn.发明inventiveadj.有创意的;有创造力的eg.Theinventorinventedthefamousinventiveinvention.④invention填空/词形填空①centuryn.世纪②1century=100years③intheearly19thcentury=atthestart/beginningof19thcenturyAlexanderGrahamBellinventedoneofthefirst___________(practice)telephonesin1876.Sincethen,peoplehavebeenabletospeaktoeachotheroverlongdistances.Todaymillionsofpeopleacrosstheworldownmobilephones.Theyallowpeople____________(keep)intouchwitheachotheranytime,anywhere.

practicalExercise:Reading–thetelephoneunit4总结①keep/be/get/stayintouchwithsb.②losetouchwithsb.eg.Iusedtokeepintouchwithmyfriendsbye-mail.ButnowIlosetouchwithhim.tokeep教材回顾—Readingtokeep①allowsb.todosth允许某人做某事②Sb.beallowedtodosth.某人被允许做某事③allowdoingsth.允许做某事eg.Myparentsdon’talowmetostayoutlate.=I’mnotallowedtostayoutlate.Wedon’tallowtalkinginthelibraray.找关键推词性细观察定词形填空/词形填空①practicen

&v.实践;练习（practisev.）②practicaladj.有用的；适用的practicedoingstheg.Practicemakesperfect.WeshouldpracticespeakingpracticalEnglishinclass.填空/词形填空找关键推词性细观察定词形ThomasEdison_____________(develop)

thefirstpracticallightbulbin1879.Beforetheinventionofthelightbulb,people

hadtouseoillamps,gaslampsorcandles.Withlightbulbs,peoplecando_____manythingsintheeveningsas

theycaninthedaytime.Canyouimagine_________withoutthem?developedlivingmustasunit4总结Exercise:Reading–thelightbulbpossible教材回顾—Reading①developv.发展②developingadj.发展中的developedadj.发达的③developmentn.发展；开发④developern.开发者eg.Chinaisadevelopingcountryandhasdevelopedalotinthepastfewyears.Inthefutureitmustbeadevelopedcountryandhavegreatdevelopment.Youwillbeoneofthedeveloperstomakeourcountrymuchstronger.①imaginev.想像;设想imaginedoingsthimaginethat宾语从句Ican’timaginglivingonthemooninthefuture.Ican’timagingethatweliveonthemooninthefuture.

②imaginationn.相像力③imaginativeadj.富有相像力的Canyouimaginethattheimaginativechildhasgreatimagination?①asmany+名词复数+as和…一样多②asmuch+不可数名词+as③theycan后面省略了do=possibleeg..Ihaveasmanyapplesasyours.Takeasmuchwaterasyouwant.ApengiantDoyouknowLaszloBiro?Maybeyoudonot,butyouprobablyusehisinventioneveryday,andyoumayevenhaveitinyourhandrightnow!Biro(1899-1985)wastheinventoroftheballpointpen.HewasborninBudapestHungary.Inthe1930s,whenheworkedasanewspapereditor(编辑),heusedafountainpenalmosteveryday.However,hehadtorefillitallthetime.Theinkalsodidnotdryeasily,anditsometimesmadeamessonthepaper.Birowantedabetterpen.Hisbrother,George,helpedhimdevelopaspecialink.Theinkdriedeasily.Thentheydevelopedanewtypeofpen.Therewasatinyballatthetipofthepen.Theballrolledinkontothepaperasitmoved.Theycallitthe“ballpoint”pen.Theballpointpenwasagreatsuccess.Everyonelovedit.Nowmillionsofpeopleuseitallovertheworldeveryday.PeoplewillalwaysrememberBiroforhisinvention.TodayinmanyEnglish-speakingcountries,peoplestillusetheword"biro"torefertoanykindofballpointpen.unit4总结教材回顾—Morepractice首标题

重首尾找重复

解意图1.What’sthepassagemainlyabout?A.Theinventoroftheballpointpen.B.Howtheballpointpenworks.C.Biro’sbrotherhelpedhiminventballpointpen.D.Peopleusebirotorefertoballpointpen.全文主旨大意giant①n.伟人；巨人②adj.伟大的；巨大的AApengiantDoyouknowLaszloBiro?Maybeyoudonot,butyouprobablyusehisinventioneveryday,andyoumayevenhaveitinyourhandrightnow!Biro(1899-1985)wastheinventoroftheballpointpen.HewasborninBudapestHungary.Inthe1930s,whenheworkedasanewspapereditor(编辑),heusedafountainpenalmosteveryday.However,hehadtorefillitallthetime.Theinkalsodidnotdryeasily,anditsometimesmadeamessonthepaper.Birowantedabetterpen.Hisbrother,George,helpedhimdevelopaspecialink.Theinkdriedeasily.Thentheydevelopedanewtypeofpen.Therewasatinyballatthetipofthepen.Theballrolledinkontothepaperasitmoved.Theycallitthe“ballpoint”pen.Theballpointpenwasagreatsuccess.Everyonelovedit.Nowmillionsofpeopleuseitallovertheworldeveryday.PeoplewillalwaysrememberBiroforhisinvention.TodayinmanyEnglish-speakingcountries,peoplestillusetheword"biro"torefertoanykindofballpointpen.unit4总结2.WhywastheballpointpeninventedbyBiro?

Becausehehadtofillhisfountainpenallthetime.Theinkdidnotdryeasily,anditsometimesmadeamessonthepaper.教材回顾—MorepracticeWhy类答语：①Because+句子②Todo...③Becauseof...审清题找关键深理解

出答案ApengiantDoyouknowLaszloBiro?Maybeyoudonot,butyouprobablyusehisinventioneveryday,andyoumayevenhaveitinyourhandrightnow!Biro(1899-1985)wastheinventoroftheballpointpen.HewasborninBudapestHungary.Inthe1930s,whenheworkedasanewspapereditor(编辑),heusedafountainpenalmosteveryday.However,hehadtorefillitallthetime.Theinkalsodidnotdryeasily,anditsometimesmadeamessonthepaper.Birowantedabetterpen.Hisbrother,George,helpedhimdevelopaspecialink.Theinkdriedeasily.Thentheydevelopedanewtypeofpen.Therewasatinyballatthetipofthepen.Theballrolledinkontothepaperasitmoved.Theycallitthe“ballpoint”pen.Theballpointpenwasagreatsuccess.Everyonelovedit.Nowmillionsofpeopleuseitallovertheworldeveryday.PeoplewillalwaysrememberBiroforhisinvention.TodayinmanyEnglish-speakingcountries,peoplestillusetheword"biro"torefertoanykindofballpointpen.unit4总结3.Howdoestheballpointpenwork?

Therewasatinyballatthetipofthepen.Theballrolledinkontothepaperasitmoved.教材回顾—MorepracticeHow类答语：①方式类：Bydoing/Throughsth.②感受类：adj.③普通类：完整句子回答审清题找关键深理解

出答案ApengiantDoyouknowLaszloBiro?Maybeyoudonot,butyouprobablyusehisinventioneveryday,andyoumayevenhaveitinyourhandrightnow!Biro(1899-1985)wastheinventoroftheballpointpen.HewasborninBudapestHungary.Inthe1930s,whenheworkedasanewspapereditor(编辑),heusedafountainpenalmosteveryday.However,hehadtorefillitallthetime.Theinkalsodidnotdryeasily,anditsometimesmadeamessonthepaper.Birowantedabetterpen.Hisbrother,George,helpedhimdevelopaspecialink.Theinkdriedeasily.Thentheydevelopedanewtypeofpen.Therewasatinyballatthetipofthepen.Theballrolledinkontothepaperasitmoved.Theycallitthe“ballpoint”pen.Theballpointpenwasagreatsuccess.Everyonelovedit.Nowmillionsofpeopleuseitallovertheworldeveryday.PeoplewillalwaysrememberBiroforhisinvention.TodayinmanyEnglish-speakingcountries,peoplestillusetheword"biro"torefertoanykindofballpointpen.unit4总结教材回顾—Morepractice开放性试题：答案合理即可注意：清问式，三正确（看清楚问句形式、回答句式正确、句子结构正确、单词拼写正确）4.Whatkindofpendoyoulikebest?Why?

Ilikethewritingbrushbest.BecauseitstandsforChinesetraditionalculture.ApengiantDoyouknowLaszloBiro?Maybeyoudonot,butyouprobablyusehisinventioneveryday,andyoumayevenhaveitinyourhandrightnow!Biro(1899-1985)wastheinventoroftheballpointpen.HewasborninBudapestHungary.Inthe1930s,whenheworkedasanewspapereditor(编辑),heusedafountainpenalmosteveryday.However,hehadtorefillitallthetime.Theinkalsodidnotdryeasily,anditsometimesmadeamessonthepaper.Birowantedabetterpen.Hisbrother,George,helpedhimdevelopaspecialink.Theinkdriedeasily.Thentheydevelopedanewtypeofpen.Therewasatinyballatthetipofthepen.Theballrolledinkontothepaperasitmoved.Theycallitthe“ballpoint”pen.Theballpointpenwasagreatsuccess.Everyonelovedit.Nowmillionsofpeopleuseitallovertheworldeveryday.PeoplewillalwaysrememberBiroforhisinvention.TodayinmanyEnglish-speakingcountries,peoplestillusetheword"biro"torefertoanykindofballpointpen.unit4总结教材回顾—Morepracticerightnow=rightaway=atonce=immediatelyreferto描述，所指Thelittlegirlusedsuperherotorefertohisfather.①refillv.再装满；重新装满Mumaskedmetorefillthepenwithink.refilln.再装满；重新装满CouldIhavearefill,please?②fillv.装满fill…with用…把…装满befilledwith③fulladj.充满的；装满的befullofe.g.Ourlifeisalwaysfilledwithchallenges.=Ourlifeisalwaysfullofchallenges.successn.成功successfuladj.成功的succeedv.取得成功besuccessfulindoingsth.成功做某事=succeedindoingsth.=have/makesuccessindoingsth.e.g.Thesuccessfulscientistsucceededindiscoveringakindofnewmaterial.比较级要变化,一般词尾加_____.词尾若有哑音_____,直接加______就可以.一辅重读闭音节,辅音字母要_______.辅音字母加____,要把_____改_____.最高级加_____前面加_____莫忘记.形容词若是多音节,只把_________前面写.erer双写yyesttheimore,most变化规则教材回顾——Grammar（比较级和最高级）unit4总结smalllateeasybigpopular原级比较级最高级smallersmallest

laterlatest

easiereasiest

biggerbiggestmorepopularmostpopular变化规则教材回顾——Grammar（比较级和最高级）unit4总结good/wellbad/ill/badlymany/muchlittlefaroldbetter

bestworse

worstmore

mostless

leastfarther/further

farthest/furthestolder/elder

oldest/eldest原级比较级最高级特殊变化教材回顾——Grammar（比较级和最高级）unit4总结farther和further两者都可以表示距离上的“更远”。Myschoolisfarther/furtherthanyours.程度上更进一步用further.Hewastootiredtowalkfurther.elder和olderelder表示长幼顺序，只作定语，不作表语。Myelderbrotherwantstohaveafurtherstudy.older既可以做定语，也可做表语.TheoldergenerationlikeRedSongs.Johnistwoyearsolderthanhisbrother.教材回顾——Grammar（比较级和最高级）比较不同unit4总结两者相比用________，三者以上用_______.两者若是一个样,___________要用上.甲不如乙加_______，意思与____________差不多.程度递增“越来越”，比较级用_______来连接.两种情况同时变,

themore…,thebetter…是样板.Grammar——比较级和最高级用法unit4总结比较最高as…asnotlessthanandas…as“和…一样”as+形容词/副词原级+asEnglishisaseasyasMaths.Yousingaswellasyourbrother.否定：notas/so…asTheplaceisnotas/sobeautifulasIthink.注意倍数+as…asOurschoolisthreetimesasbigasyours.=Ourschoolistwicebiggerthanyours.与比较级之间的转换Thebookisn’tas/sointerestingasthatone.=Thebookislessinterestingthanthatone.=Thatbookismoreinterestingthanthisone.常用搭配as…aspossible=as…assb.can/couldIwillcallyouassoonaspossible.=IwillcallyouaspossibleIcan.as+many+名词复数+asas+much+不可数名词+asIhaveasmanybooksashe(does).Idon’tdrinkasmuchwaterasshe(does).

as…as结构教材回顾——Grammar（比较级和最高级）unit4总结语法填空：用括号中所给单词的正确形式填空。Chinahasbuiltthe1.__________(large)andmostadvanced5Gnetworkintheworld.Butdoyouknowabout5G?Itisthefifthgeneration（代）ofmobilenetworktechnology(技术).Eachmobilenetworkgenerationis2.________(fast)and3._________________(powerful)thantheonebeforeit.1Gletustalktoeachother.2Gletussendmessages.3Ggaveusdata（数据）andtheInternet.And4Gmadeallofthesethings4.__________(good).What’sspecialabout5G?5Ghasaveryshortdelaybetweensendingandreceivinginformation.Inthepast,4Gtookabout100to200milliseconds（毫秒）tosendandreceivedata.Butnow5Gcangetitdownto1millisecondoreven5.________(little).ThisbigchangenotonlyhasmadeourmobileInternetfaster,butalsohasdeeplychangedourlives.even,much,still,no，faralittle,alot,abit,修饰比较级largestfastermorepowerfulbetterlessunit4总结拓展阅读：重点知识重点练三篇主题为人与社会-科学与秩序（人类发明与创新）文章unit4测试

Theperformanceofdrones(无人机表演)Lightuptheskyunit4测试

militaryandwar军事战争surveyingandmapping

测绘测量policesecurity

警务安防disasterrelief

灾难救援agriculturalflight农业飞行

unit4测试

Canyouguesswhatthedronesareusedfor?拓展阅读：PassageA1.Paragraph2ofthereadingismainlyabout___________.A.whatadroneisB.howadroneworksC.howadroneisproducedD.howadroneisdesigned审清题找关键提精华

出答案段落主旨大意Bunit4测试拓展阅读：PassageA2.Accordingtothereading,ProjectWing_____________.A.fliesveryhighB.releasethepackagewithoutawireC.isnotbiginsize.D.fliesfasterthanbird审清题逐排查

找关键深理解

出答案细节理解Cunit4测试拓展阅读：PassageA3.Accordingtothepassage,howmanyfieldshavedronesbeeninuse?A.

1B.2C.3D.4审清题

找关键列数字出答案数字计算题cunit4测试拓展阅读：PassageA4.Whichofthefollowingiswrongabouttheinvention？A.Thenewinventioncancutdownthetimeofdelivery.B.AstroTelleristheleadscientistofProjectWingC.Googledronesarethenextbigstepinhelpingpeoplemovethingsaround.D.droneswillbeimpossibletodeliveryapackage.审清题逐排查

找关键做对比出答案理解判断Dunit4测试unit4测试Guesswhatitis.

Itisasmallthingweuseeveryday.Weusuallyputitinthebathroom.Withoutit,wemighthavetoothproblems.

Atoothbrushunit4测试A.Todaywehaveagoodhabitofbrushingteeth.B.Itmightbetheworl