unit6sectionb（3a-selfcheck）-【精彩课堂】九年级英语全册课（人教版）

SectionB3a-SelfcheckUnit6

Whenwasitinvented?Learning

Aims1)复习一般过去时态被动语态的用法。2)能够用英语讲述自己所熟悉的某一发明。3)能用就本单元所学习语言材料，完成写作内容。4)了解世界上一些对人类有着重大意义的发明培养学生的创造精神.Somefruitswerebought(byhim)yesterday.LookandsayHe

bought

somefruitsyesterday.Themotorbike

was

riddentohisfactory(byhim)lastnight.He

rode

themotorbiketohisfactorylastnight.We

madethesnowmanthismorning.Thesnowmanwasmadebyusthismorning.Free-talkIwanttoinvent...Ha,Iwanttoinventaspecialbroom.Whatdoyouwanttoinvent?Whatisitmadeof?It’smadeofstainlesssteel.Itisusedforflyingtothesky.Whatisitusedfor?Whencanitbeused?Ifyouhavesomethingurgent,thetrafficisverybusy,thenwecanuseit.Thiskindofbroomismuchcheaperthanthehelicopter.Everyonecanaffordit.Howmuchwillitcost?1.Problem:__________________________Newinvention:_____________________Whatitisusedfor:__________________Thinkofsomethingthatyoudonotliketodo.Thenthinkofaninventionthatcouldhelpyou.Makenotes.aspecialpenquicklytakingnotesinclasstakingnotesinclass3.Problem:___________________________Newinvention:______________________Whatitisusedfor:________________________________________________________________________2.Problem:___________________________Newinvention:______________________Whatitisusedfor:__________________aspecialclockgettingupearlywakingmeupdoinghomeworkarobotdoinghomeworkwithmeItcanbemyfavoritehomeworkpartnerImagineyouareabusinessperson.Writeadescriptionofyournewinvention.Trytoselltheinventiontotheclass.ThisspecialpenwasinventedbyLiuJie.Ithasthreecolorsandisusedfor…1.What’sitandwhenwasitinvented?2.What’situsedfor?3.Whatdoesitlooklike?

4.Whowouldbeinterestedinbuyingthisproduct?5.Howdoesitwork?6.Howmuchisit?体裁：说明文

时态：介绍发明要用一般现在时人称：第三人称在介绍该发明的工作原理时，可以使用表示顺序的词first和then来连接，这是使用逻辑纽带的方式进行衔接的一种方法。freetalkHowtointroduceaninvention3415whohowatthesametimealthoughbecause...inorderto...sothat...Therebe...color,shape,size,usewhatwhyinvention2whenin+年份on+月，日，年...was/wereinventedby......invented...whowhenwhywhathow1.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ThisspecialpenwasinventedbyLiuJie.Ithasthreecolorsandisusedfortakingnotesquickly.Itisveryusefulifyouhavealottowritedown.Thepencomeswithamicrochipthatcanstorealistofcommonwordsthatyouwilluse.Youcanprogramthewordsyouwilluseoftenintothemicrochip'smemory,thenassignashortformtoeachword.Whenyouarewriting,youjustneedtowritetheshortformswiththepen,pressabuttononthepenandallshortformswillchangeintotheactualwords.Themicrochipcancontainupto50wordsandyoucanmakechangestothelistofwordswheneveryouneedto.Itisoftendifficulttodecideontheinventorofcertaininventions.Thisisbecausesometimesafewpeoplemay________thingswhicharenearlythesame.It’shardtotellwhocameupwiththeideafirst.invent,doubt,mention,website,allofsudden1.Completethepassagewiththecorrectformsofthewordsinthebox.inventSomeinventionscanalsoleadtootherinventions_____________.Sosomepeople_______whethertheinventorcameupwiththeideahimselforherself.Theythinkthattheinventorusedsomeoneelse’sideatocreatehisorherinvention.Thatiswhybooksor_________usually_________morethanoneinventorwhengivinginformationaboutinventions.allofasuddendoubtwebsitesmentioninvent,doubt,mention,website,allofsudden1.Someonestolemywatch. _______________________________________________2.Theyusedfiveeggstomakethisbigcake. _______________________________________________3.Whendidtheyinventthepersonalcomputer? _______________________________________________4.Theyaskedusnottoruninthehallway._______________________________________________5.Someonetookthevideobacktothestore._______________________________________________Mywatchwasstolen(bysomeone).Whenwasthepersonalcomputerinvented?Fiveeggswereused(bythem)tomakethisbigcake.2.Rewritethesesentencesusingthepassivevoice.Thevideowastakenbacktothestore(bysomeone).Wewereaskednottoruninthehallway(bythem).Invention:_________________________When:_________________________Who:_________________________Purpose:_________________________in2013umbrellawithalightLiMeng3.Findoutinformationaboutaninventionyouwouldliketoknowmoreaboutandwritesentencesbelow.seeingintheraininthedark我都学会了!本课句型SummaryKeywordsandphrases:nearly,mention,allofasudden,comeupwithKeysentences:ThisspecialpenwasinventedbyLiuJie.Ithasthreecolorsandisusedfor…1.Duringtheafternoon,therewasa_______(suddenly)heavyfallofsnow.2.Ithinkthetelephone_____________(invent)beforethecar.3.The_________(Canada)songAlouette(百灵鸟)isafunsongaboutabird.4.They____________(invite)totakepartintheMayDaycelebrationsinBeijing.5.The___________(popular)ofprivatecarsischangingthepeople’slifestyle.6.Whenthebill____________(bring)tohim,hewassuchsurprised.一用所给单词的适当形式填空。suddenwasinventedCanadianwereinvitedpopularitywasbroughtExercises1.Mymothertoldmethatmyhomeworkmust____

ontime.A.finish

B.befinish

C.befinished

D.finished

2.Thenumberofteachersinourschool____60andanumberofthem____maleteachers.A.is;areB.are;isC.am;areD.be;are二、单项选择。3.Ifit

____

tomorrow,we

____gotothepark.

A.rains;won’t

B.willrain;won’t

C.rains;don’t

D.willrain;willdo4.Allthebookswill____tothechildrenwholiveinthesmallvillage.A.besentB.sent

C.besend

D.send5.—Doyouknowthelady____isinterviewingourheadmaster?

—Yes,sheisajournalistfromCCTV.

A.which

B.who

C.whom

D.whose1．Withthedevelopmentofeconomic，thenumberofcarsinourcountry

alot.2．BothLinZexuandQiJiguangare

inmyheart.3．LeBronJamesisa

basketballplayerintheNBA.4．The

ofswingdancehasgrownamongyoungpeople.5．

theysucceededinreachingthetopofthemountain.has_increasedheroesprofessionalpopularityFinally三、根据句意，用方框中所给单词的适当形式填空。四、根据句意用所给词的适当形式填空。1．Theboydreamsof

(become)apilot.2．Wesawsomechildren

(play)gamesontheplaygroundwhenwecame.3．Ourteacheroftenencouragesus

(take)partinusefulactivities.4．Thereare

(million)ofstarsinthesky，butmanyofthemaretoofarawaytosee.5．MountHuangisoneof

(famous)placesofinterestinChina.becomingplayingto_takemillionsthe_most_famous①—Whydidn’tyougototheparty?—BecauseIwasn’t__________(invite).②Mymothermademedosomewashing.(改为被动语态)I________________________dosomewashingbymymother.invited

was

made

to五、完成下列各题。When

was

broughtWho

was

written

by③Hewasseendancingonthesquare.(改为一般疑问句)__________he__________dancingonthesquare?

Was

seen六.完成句子。1.在200多个国家中，超过一亿人打(篮球)，包括中国。_____________________by______________100millionpeopleinover200countriesincludingChina.2.篮球是由加拿大一位叫詹姆斯·奈史密斯的博士发明的。Basketball________________________aCanadiandoctornamedJamesNaismith.Itisplayedmorethanwasinventedby3.人们认为，历史上的首次篮球赛是在1891年12月21日举行的。____________________thatonDecember21st,1891,thefirstbasketballgameinhistorywasplayed.4.从那时起，篮球在世界各地的普及程度得到提升。Sincethen,thepopularityofbasketball______________worldwide.Itisbelievedhasrisen

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;词数不少于80。

Computer____________________________________________________________________________________________________________________________________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: