Unit6SectionB（3aSelfcheck）课件人教版英语八年级上册

Unit6Whenwasitinvented?SectionB

（3a-Selfcheck）Somefruitswerebought(byhim)yesterday.LookandsayHe

bought

somefruitsyesterday.Themotorbike

was

riddentohisfactory(byhim)lastnight.He

rode

themotorbiketohisfactorylastnight.We

madethesnowmanthismorning.Thesnowmanwasmadebyusthismorning.WritingProblem:________________________Newinvention:____________________Whatitisusedfor:_________________Thinkofsomethingthatyoudonotliketodo.Thenthinkofaninventionthatcouldhelpyou.Makenotes.aspecialpenquicklytakingnotesinclasstakingnotesinclass3aThisspecialpenwasinventedbyLiuJie.Ithasthreecolorsandisusedfor….Imagineyouareabusinessperson.Writeadescriptionofyournewinvention.Trytoselltheinventiontotheclass.3b常用句型：

1.Ithink…isaveryusefulinvention.

我认为……是一项很有用的发明。2.…wasinventedby………是由……(某人)发明的3.…wasinventedin………是在……(某时间)发明的4.Itwasusedfor…它被用来……5.…ismadeof………

是由……(材料)制成的计算机在我们的生活、工作中的作用越来越大，你知道计算机的起源与发展吗？请结合计算机的发明时间(1946年）、外形、用途等方面,谈一下它的发展变化，并说明你对未来计算机的畅想。要求：1.意思连贯,语句通顺;2.词数不少于80。

这是一篇事物介绍类的说明文，根据题目提示可考虑采用下面的模板。计算机引出话题介绍发明畅想未来...importantinourdailylife.时间:Thecomputerwasinventedin...外形：...washuge.用途:sendsomemessages...open...Ithinkcomputersaregoingto...

Computer

Computersarebecomingmoreandmoreimportantinourdailylife.①Doyouknowwhenthecomputerwasinvented?②

Thecomputerwasinventedin1946.Atthattime,itwashuge.Withthedevelopmentofscienceandtechnology,thecomputerhasgrownsmaller.Nowtherearemanykindsofcomputers,suchaspersonalcomputersandlaptops(笔记本电脑）.Thecomputerisaveryusefultoolinourlife.Forexample

③

,itcansendsomemessagesto

foreignfriendsbye-mail.

What'smore

,itcan

shareinformationwithothersthroughtheWorldWideWeb.Wecanalsolistentomusicorplaythegameoncomputers.Itmakesusrelaxed.It’shardtoimaginewhatourlifewouldbelikewithoutcomputers.

Ithinkcomputerswillbemoreconvenientandtheyaregoingtochangeourlifecompletelyinthenearfuture.④Itisoftendifficulttodecideontheinventorofcertaininventions.Thisisbecausesometimesafewpeoplemay______thingswhichare_______thesame.It’shardtotellwhocameupwiththeideafirst.invent,doubt,mention,nearly,website,allofsuddenSelfCheck1.Completethepassagewiththecorrectformsofthewordsinthebox.inventnearlySomeinventionscanalsoleadtootherinventions_____________.Sosomepeople_____whethertheinventorcameupwiththeideahimselforherself.Theythinkthattheinventorusedsomeoneelse’sideatocreatehisorherinvention.Thatiswhybooksor_______usually_______morethanoneinventorwhengivinginformationaboutinventions.allofasuddendoubtwebsitesmention1.Someonestolemywatch. _________________________________2.Theyusedfiveeggstomakethisbigcake. __________________________________3.Whendidtheyinventthepersonal computer? ____________________________________________________________________Mywatchwasstolen(bysomeone).Whenwasthepersonalcomputerinvented?Fiveeggswereusedtomakethisbigcake.2.Rewritethesesentencesusingthepassivevoice.4.Theyaskedusnottoruninthehallway.____________________________________________________________________5.Someonetookthevideobacktothestore.____________________________________________________________________Thevideowastakenbacktothestore(bysomeone).Wewereaskednottoruninthehallway(bythem).1.Duringtheafternoon,therewasa_______(suddenly)heavyfallofsnow.2.Ithinkthetelephone____________ (invent)beforethecar.3.The_________(Canada)songAlouette(百灵鸟)isafunsongaboutabird.一、

用所给单词的适当形式填空。suddenwasinventedCanadian4.They____________(invite)totakepartintheMayDaycelebrationsinBeijing.

5.The___________(popular)ofprivatecarsischangingthepeople’slifestyle.6.Whenthebill____________(bring)tohim,hewassuchsurprised.wereinvitedpopularitywasbrought按要求改写下列各句。1.Weplantedthesetreesin1997.(改成被动语态)____________________________________2.Hemadeacakeyesterday.(改成被动语态)____________________________________Thesetreeswereplanted(byus)in1997.Acakewasmadebyhimyesterday.3.Theteachergavethestudentssomeadvice.(改成被动语态)________________________________________________________4.Hewasseentoreadabookinhisroom.(用I作主语,改为主动语态)_____________________________________5.Shewashelpedbyallthepeople.(改成一般疑问句)_____________________________________Someadvicewasgiventothestudentsbytheteacher.Isawhimreadabookinhisroom.Wasshehelpedbyallthepeople?根据中英文提示完成句子。1.根据历史记载,纸是由蔡伦发明的。______________history,paper___________byCaiLun.2.大约三千年前风筝在中国就被人使用了。Kites_____________inChinaabout3,000yearsago.Accordingtowasinventedwereused3.这个书架是木头做的。Thisbookshelf_________________wood.4.这部电影是由冯小刚导演的。Thisfilm______________________FengXiaogang.ismadeof