Unit6SectionB（3aSelfcheck）課件人教版英語八年級上冊

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.

我認(rèn)為……是一項很有用的發(fā)明。2.…wasinventedby………是由……(某人)發(fā)明的3.…wasinventedin………是在……(某時間)發(fā)明的4.Itwasusedfor…它被用來……5.…ismadeof………

是由……(材料)制成的計算機(jī)在我們的生活、工作中的作用越來越大，你知道計算機(jī)的起源與發(fā)展嗎？請結(jié)合計算機(jī)的發(fā)明時間(1946年）、外形、用途等方面,談一下它的發(fā)展變化，并說明你對未來計算機(jī)的暢想。要求：1.意思連貫,語句通順;2.詞數(shù)不少于80。

這是一篇事物介紹類的說明文，根據(jù)題目提示可考慮采用下面的模板。計算機(jī)引出話題介紹發(fā)明暢想未來...importantinourdailylife.時間:Thecomputerwasinventedin...外形：...washuge.用途:sendsomemessages...open...Ithinkcomputersaregoingto...

Computer

Computersarebecomingmoreandmoreimportantinourdailylife.①Doyouknowwhenthecomputerwasinvented?②

Thecomputerwasinventedin1946.Atthattime,itwashuge.Withthedevelopmentofscienceandtechnology,thecomputerhasgrownsmaller.Nowtherearemanykindsofcomputers,suchaspersonalcomputersandlaptops(筆記本電腦）.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(百靈鳥)isafunsongaboutabird.一、

用所給單詞的適當(dāng)形式填空。suddenwasinventedCanadian4.They____________(invite)totakepartintheMayDaycelebrationsinBeijing.

5.The___________(popular)ofprivatecarsischangingthepeople’slifestyle.6.Whenthebill____________(bring)tohim,hewassuchsurprised.wereinvitedpopularitywasbrought按要求改寫下列各句。1.Weplantedthesetreesin1997.(改成被動語態(tài))____________________________________2.Hemadeacakeyesterday.(改成被動語態(tài))____________________________________Thesetreeswereplanted(byus)in1997.Acakewasmadebyhimyesterday.3.Theteachergavethestudentssomeadvice.(改成被動語態(tài))________________________________________________________4.Hewasseentoreadabookinhisroom.(用I作主語,改為主動語態(tài))_____________________________________5.Shewashelpedbyallthepeople.(改成一般疑問句)_____________________________________Someadvicewasgiventothestudentsbytheteacher.Isawhimreadabookinhisroom.Wasshehelpedbyallthepeople?根據(jù)中英文提示完成句子。1.根據(jù)歷史記載,紙是由蔡倫發(fā)明的。______________history,paper___________byCaiLun.2.大約三千年前風(fēng)箏在中國就被人使用了。Kites_____________inChinaabout3,000yearsago.Accordingtowasinventedwereused3.這個書架是木頭做的。Thisbookshelf_________________wood.4.這部電影是由馮小剛導(dǎo)演的。Thisfilm______________________FengXiaogang.ismadeof