unit 6 when was it invented 课文重难点讲解.docx
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unit 6 when was it invented 课文重难点讲解.docx
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unit6whenwasitinvented课文重难点讲解
Unit6Whenwasitinvented?
一、重点短语1.thinkof想出seemtodosth似乎要做2.haveapoint有道理atthattime在那时3.byaccident偶然;意外地fallinto落入;掉入4.maketea制茶lessthan少于5.takeplace发生;出现aroundtheworld全世界6.withoutdoubt毫无疑问thenatureof.........的本质7.dropinto掉进atalowprice以低价8.advisesb.(not)todosth劝某人(不)做allofasudden突然;猛然9.workon从事于besimilarto与......类似10.bymistake错误地intheend最后11.theOlympics奥林匹克运动会divide...into...把......分开12.atthesameto同时stop...fromdoing...阻止......做......13.dreamof梦想thenumberof......的数量14.lookupto钦佩;仰慕encouragesb.todosth鼓励某人做某事15.takenotes记笔记decideon决定eupwith想出二、重点句型1.—Whenwasthetelephoneinvented?
—Ithinkitwasinventedin18762.—Whowasitinventedby?
—ItwasinventedbyWhitcombJubson:
SectionA课文精讲精析1.IthinktheTVwasinventedbeforethecar.我认为电视机先于汽车被发明。
【解析1】:
inventv发明→inventorn发明家→inventionn发明熟记:
Edison,agreat_____________,__________over1‘000__________allhislife.(invent)练习:
①.Papermakingisagreat__________(invent)ofancientChina.②.Ithinkthelightbulbisoneofthemostimportant__________(invent)③.Thecar___________(invent)in1885.【辨析2】:
invent/discover/find/findoutinvent发明发明的东西是从前没有的Whoinventedthesteamengine?
谁发明了蒸汽机?
discoverColumbusdiscoveredAmerica发现发现的事物是本来存在的或是有人知道的哥伦布发现了美洲findIamlookingformybike,butImaynotfindit.找到指寻找的结果。
是非延续性动词我正在找我的自行车,可是不一定能找到。
findoutWhenhewasachild,helikedtofindouthowthings找出、指经过观察、调查把某事、某查明物查出来,搞清楚,弄明白worked.他孩提时代时,就爱弄明白各种事物的来龙去脉。
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练习:
①Gibert____________electricity,butEdison___________theelectriclightbulb.吉尔贝特发现了电,而爱迪生发明了电灯泡。
②Bell________thetelephonein1876.③Columbus____Americain1492.()A.inventB.discoverC.inventedD.discovered④Thelightbulbisoneofthemostuseful_____________(invent)intheworld.⑤.Whatdoyouthinkisthegreatest______(invent)ofthetwentiethcentury?
⑥.Afterhardtrainingforalongtime,LiuXiang____therecordsagain.A.brokeB.achievedC.inventedD.completed⑦Ithinkthetelephonewasinventedin1876.A.createdB.foundC.seenD.used⑧.Themobilephonehasinfluencedpeople‘slifealotsinceit_________.A.inventsB.inventedC.isinventedD.wasinvented【解析3】一般过去时的被动语态I.定义:
表示过去某一时间的被动动作或过去经常性、习惯性的被动动作,无需说明动作执行者时可省去“by+动作执行者”。
II.结构:
一般过去时的被动语态:
1.肯定结构:
主语+was/were+及物动词的过去分词+by+动作执行者Eg:
Theteachingbuildingwasbuiltsixyearsago.这座教学楼建于六年前。
练习:
①()Manytreesandflowers___________inourschoollastyear.A.plantB.plantedC.haveplantedD.wereplanted注意:
was,were的使用由主语的单复数形式而定,主语为第三人称单数名词、代词或I时用was,主语为复数名词、代词they或you时用were。
2.否定形式:
主语+was/were+not+动词的过去分词Eg:
Thewindowwasnotbrokenbyhim.窗玻璃不是他打碎的。
3.疑问形式:
was/were+主语+动词的过去分词Eg:
Wasyourhomeworkfinishedintimeyesterdayevening?
昨天晚上你及时完成家庭作业了吗?
Wherewerethosebusesmade?
那些公共汽车是哪里制造的?
注意:
一般疑问句通常把was/were置于主语前。
特殊疑问句形式应将一般疑问句置于特殊疑问词后面,反意疑问句形式应保留was/were。
III.一般过去时的被动语态疑问句的回答方法1.一般疑问句形式肯定回答用“Yes,...was/were.”,否定回答用“No,...wasn‘t/weren‘t.”;2.特殊疑问句应抓住特殊疑问词进行回答,可用简略方法,也可用完整方法;3.反意疑问句也应用“Yes,...was/were.”或“No,...wasn‘t/weren‘t.”进行回答。
Eg:
(1)—Wasyourofficecleanedyesterdayafternoon?
你的办公室昨天下午打扫了吗?
—Yes,itwas./No,itwasn‘t.是的,打扫了。
/不,没有打扫。
(2)—WherewasthepartyheldlastSunday?
上周日聚会在哪儿举行的?
—Athome./Itwasheldathome.在家里。
/在家里举行的。
(3)—Yourdebtwaspaidoffatlast,wasn‘tit?
你所欠的债最终被还清了,是吗?
—Yes,itwas./No,itwasn‘t.是的,被还清了。
/不,没有被还清。
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练习:
①LastMarch,manytrees___alongthestreetstomakeourcitymorebeautiful.A.wereplantedB.wereplantingC.hadplantedD.planted②ShenzhouX,China‘sfifthmannedspacecraft,____intospaceonJune11.2013.A.hassentB.wassentC.willsendD.issent③—Wow!
YouhaveatickettotheExpo!
—ltbymyuncle.HeisworkinginShanghai.A.hasboughtB.hadboughtC.isboughtD.wasbought④Wearegladtohearthattheterrorists__bythebravepolicemenseveraldaysago.A.arecaughtB.werecaughtC.havebeencaughtD.aregoingtobecaught⑤.Threebridges________overtheriverfiveyearsago.A.builtB.buildC.werebuiltD.arebuilt2.Mypleasure!
这是我的荣幸【解析】1.pleasev取悦→pleasuren愉快→pleasedadj.(人)高兴的→pleasantadj.(物)令人愉快的Eg:
①It‘smy_____________(please)tohelpyou.②TheywenttoQingdaoandhada___________(pleasure)trip.2.bepleasedtodosth愉快做某事bepleasedwithsth对….满意Eg:
I‘mpleased_____________(meet)you.练习:
①.–ThedocumentaryABiteOfChinaIIisquitepopulararoundChinarecently.Howdoyoulikeit?
—______.A.IthinksoB.PrettygoodC.It‘smypleasureD.Allright②.—Whydon‘tyoujoinanEnglishlanguageclubtopracticespeakingEnglish?
—_____.A.It‘smypleasureB.TakeiteasyC.That‘sallrightD.That‘sagoodidea③.—I‘msorryaboutlastnight.Itwasmyfault.—_____A.ForgetitB.NowayC.GoheadD.Mypleasure④—CanIbringafriendtoyourbirthdayparty?
—Sure,______.A.noproblemB.notatallC.mypleasureD.welldone⑤.—Thankyouforsupportingthevolunteerproject.—________.Manyhandsmakelightwork.A.MypleasureB.AllrightC.NevermindD.That‘sright3.Thinkabouthowoftenit’susedinourdailylives想想看它在我们的日常生活中是多么经常被用到。
``【解析】dailyadj.日常的;每日的=everyday【拓展】dayn.天,日→dailyadj.每日的dailylife日常生活Therewaslittlechangeintheir_________(day)lives练习:
①.—Howdidyouknow_____newsaboutGreenpeace,Lisa?
—Well,Igotitfrom_____ChinaDaily.A.a;theB.the;/C.the;theD.an;a4.Thepioneersofdifferentinventionswerelistedthere不同发明的先驱被列在那里。
【解析】listn列表;列清单n名单;清单makealistof...制作......的目录3
5.Forexample,itmentionedthatthezipperwasinventedbyWhitcombJudsonin1893.例如,它提到拉链是惠特科姆.贾德森于1839年发明的。
【解析1】:
mention[ˈmenʃən]v提到,说起Don'tmentionit.没关系,别客气练习:
①—Thankyoufortakingmearoundyourschool,Daming.—_____.A.Don‘tmentionitB.NevermindC.OfcoursenotD.Noproblem.②—CanIhavealookatyourphotos,please?
—______.A.Sure,hereyouareB.Don‘tmentionitC.Ican‘tagreewithyouD.I‘msorrytohearthat③.-Yourhandwritinglookssogood.-Really?
________A.Thankyou.B.Don‘tmentionit.C.No,notgood.6.They’reusedfor...?
它们被用来做.......【解析】beusedfordoing=beusedtodosth用来做某事【拓展】use的用法:
1.usev用,使用→usefuladj.有用的练习:
①.Thisisusefulbook,bookismybrother's.A.a;theB.an;theC.a;anD.an;a②.Overseasexperiencemayhelpmakeourlife__.Sowhynottrytostudyabroad?
A.usualB.usefulC.successfulD.traditional2.useup=ranoutof用完,用尽练习:
①.Thechildnearlyusedupallhispocketmoney.A.ranoutofB.keptoutofC.gotoutof②.Recyclingisgood,sodon't______bottlesornewspapers.A.findoutB.handinC.useupD.throwaway3.usesthtodosth使用某物做某事4.usedtodosth过去常常做某事5.beusedtodoingsth习惯于做某事练习:
①.Nancy_______abustoschool,butnowheridesabike.A.isusedtotakingB.wasusedtotakeC.usedtotake②.Myparents________gettingupearlyonweekdaysA.usedtoB.beusedtoC.wasusedtoD.areusedto6.beusedby+动作执行者被…..使用7.beusedas+名词被用着….练习:
①.—HowdoesJackusuallygotowork?
—He______driveacar,butnowhe______theretoloseweight.A.usedto;isusedtowalkB.wasusedto;isusedtowalkingC.wasusedto;isusedtowalkD.usedto;isusedtowalking②.She____livealone.Butshe_____livingalonebecauseshefeelslonely.A.usedto;doesn‘tusedtoB.isusedto;wasusedtoC.usedto;isnotusedtoD.wasusedto;doesn‘tusedto6.Didyouknowthattea,themostpopulardrinkintheworld(afterwater),wasinventedbyaccident?
你知道—世界上(继水之后)最受欢迎的饮料,是被偶然发明的吗?
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【解析】:
byaccident=bychance偶然地(位于句尾)练习:
①_________(根据)anancientChineselegend,theemperorShenNongdiscoveredteawhenhewasboilingwateroveranopenfire.②YesterdayImetmyoldfriend______accident.A.byB.inC.atD.for③.Thepolicefoundthelostcar_____A.withmistakeB.byaccidentC.bymistakeD.inaccident④.Thepolicefoundthelostcar_________.A.withmistakeB.byaccidentC.bymistakeD.inaccident⑤.Daleusedto___toofficeinhiscar,butheisusedto___thebusnow.A.going;takingB.going;takeC.go;taking7.Manypeoplebelievethatteawasfirstdrunknearly5,000yearsago很多人认为大约在5000年前茶第一次被饮用。
【辨析】almost/nearly1.almost“差不多、几乎”有very,nearly的意思。
Eg:
Hehasalmostfinishedhiswork.他差不多完成了他的工作2.nearlyadv.“差不多、几乎、将近”指一差距一般比almost大。
Eg:
It‘snearlyfiveo‘clock.差不多五点钟了。
【注意】:
almost有时可与nearly通用,但当其与no,none,nothing,never连用时,不用nearly。
练习:
①.—Whereshallweeattonight?
—Let‘scallHarry.He____knowsthebestplacestogo.A.onlyB.nearlyC.seldomD.Always②.Icould______controlmyfeelingsatthemoment.Thesongbroughtbacksomanychildhoodmemories.A.reallyB.hardlyC.nearlyD.Clearly③.—canyoucatchwhatIsaid?
—Sorry,Ican____understanditA.almostB.probablyC.nearlyD.hardly④.---Doyouthinkyesterday'smathproblemwasdifficult?
---Yes,Icould_workitout.A.easilyB.hardlyC.finallyD.nearly8.ItissaidthataChineserulercalledShenNongfirstdiscoveredteaasadrink..据说中国一位叫作神农的统治者是第一个发现茶可以作为一种饮料的人。
【解析1】:
Itissaidthat...据说......;有人说......拓展:
“Itis+动词过去分词+that从句......”句型归纳:
Itisbelievedthat...人们认为......Itisknownthat...众所周知...Itisreportedthat...据报道......Itissupposedthat...据估计......Eg:
Itissaidthatpeoplecanlivetobe120yearsold.【解析2】:
called=named叫做aboycalledTom“一个名叫作汤姆的男孩”拓展:
callthepolice报警1.callsb.=telephonesb.=phonesb.=givesb.acall=ringsb.up给某人打电话2.callonsb.拜访某人练习:
①.Theboy(name)TomisMr.Smith‘sson.5
②.Yaxi,aquietvillageinGanchun,____China‘sfirst―SlowCity‖inNovember
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