Unit 4 期末复习知识要点记忆课件-牛津深圳版英语八年级上册

Unit4Inventions知识要点记忆

重点单词、短语、句子一、重点单词。1．广告n.advertisement2.滑稽的adj.funny3．创造v.create4.电话(机)n.telephone5．车轮n.wheel6.舒服的fortable7．四轮马车n.carriage8.世纪n.century9．乘客n.passenger10.发明v.invent11．有用的adj.practical12.自……以来prep.since13．距离

n.distance14.在任何时候

adv.anytime15．开发；研制

v.develop16.蜡烛

n.candle17．特别的

adj.special18.引言

roduction19.灰尘n.dust20.机翼n.wing二、词汇拓展及词性转换。1．advertisementn.广告—advertisev.广告2．funnyadj.滑稽的；有趣的—funn.趣味&玩笑；adj.有趣的3．inventv.发明—inventorn.发明家—inventionn.发明4．createv.创作—creationn.创作物；作品—creatorn.创作者—creativeadj.有创作力的5．comfortableadj.舒适的—comfortablyadv.舒适地6．practicaladj.有用的—practicen.练习7．sinceprep.自从……以后—[其他含义]conj.既然8．distancen.距离—distantadj.遥远的9．developv.开发；研制－developmentn.发展；开发—developedadj.发达的—developingadj.发展中的(developed/developingcountries发达/发展中的国家)10．dustn.灰尘；尘土—dustyadj.积满灰尘的11．specialadj.特别的—speciallyadv.特别地12．introductionn.介绍；引言—roduce介绍三、词语释义。1.funny＝interestingadj.滑稽的；有趣的2.invent＝make…forthefirsttimev.发明3.comfortable＝pleasantadj.舒适的4.century＝onehundredyearsn.世纪5.passenger＝peopleonthetransportn.乘客6.practical＝usefuladj.有用的7.mobilephone＝cellphonen.手机

8.anytime＝atanytimeadv.在任何时候

9.special＝unusualadj.特别的

四、重点短语。1.自那以来sincethen2.与……保持联系keepintouchwith3.在白天inthedaytime4.使……远离……keep…off5.过上更好的生活liveabetterlife6.在20世纪初期atthestartofthe20thcentury7.通过很远的距离overlongdistances8.想象做某事imaginedoingsth.9.用更短的时间inashortertime10.提及；提到referto11.互相eachother12.数百万的millionsof13.在晚上atnight14.到达arriveat/in15.丢掉throwaway16.在陆地上onland17.在空中intheair18.变成turninto19.将来inthefuture20.导致leadto21.弄得乱七八糟makeamess22.一直allthetime23.电话mobilephone24.同时atthesametime五、重点句型。1．车轮也许是历史上最伟大的发明。(inhistory)Thewheelisperhapsthegreatestinventioninhistory.2．在19世纪早期，第一批火车开始载乘客。(intheearly19thcentury)Intheearly19thcentury,thefirsttrainsbegantocarrypassengers.3．没有水，我们不能生活。(without)Withoutwater,wecan'tlive./Wecan'tlivewithoutwater.4．自从那时起，人们能够互相通过远距离说话。(sincethen)Sincethen,peoplehavebeenabletospeaktoeachotheroverlongdistances.5．当今，全世界数百万的人都有手机。(acrosstheworld)Todaymillionsofpeopleacross/aroundtheworldownmobilephones.6．手机允许人们随时随地能互相保持联系。(allow…todo)Mobilephonesallowpeopletokeepintouchwitheachotheranytime,anywhere.7．有了灯泡，人们在晚上可以像在白天一样做尽可能多的事情。(as…as)Withlightbulbs,peoplecandoasmanythingsintheeveningsastheycaninthedaytime.六、课文回顾。Greatinventionschangetheworld.Theyhelppeopleliveabetterlife.Thefollowingarethreeofthemostimportantinventionsinhistory.The

wheel

may

be

the

greatest

invention

in

history.Travelling

became

faster

and

more

comfortable

after

its

invention.Several

thousand

years

ago,people

started

to

use

wheels

on

carriages.In

the

early

nineteenth

century,the

first

trains

began

to

carry

passengers.At

the

beginning

of

the

20th

century,cars

became

popular.Without

the

wheel,we

would

not

have

these

inventions.OneofthefirstpracticaltelephoneswasinventedbyAlexanderGrahamBellin1876.Sincethen,peoplehavebeenabletospeaktoeachotheroverlongdistances.Today,millionsofpeopleacrosstheworldownmobilephones.Theyallowpeopletokeepintouchwitheachotheranytime,anywhere.ThomasEdisondevelopedthefirstusefullightbulbin1897.Withlightbulbs,peoplecandoasmanythingsintheeveningsastheycaninthedaytime.Canyouimaginelivingwithoutthem?七、写作范文：介绍一项发明。Myinventionisaspeciallamp.First,itisverysmallandlight.ItisconvenientformetocarryitaroundandIoftentakeittoschool.Besides,itcancontrolitslightaccordingtothenaturallight