初中英语人教版九年级上册Unit 6 Section A 1a-2d

SectionA1a-2dTolearntounderstandandusethepassivevoice(pasttense)be+v(ed).Tolearntolistenforthedetails.Tolearntotalkaboutthehistoryofinventions.ObjectivesDoyouknowtheFourGreatInventionsinancientChina?Whatarethey?Exceptthoseinventions,canyouthinkofotherfamousones?DiscussionpaperCaiLun105A.D.

printingBiSheng1041-1045Whatisit?Whoandwhenwasitinvented…compass11thCenturygunpowder9thCenturycarKarlBenzin1885calculatorin1971Whatisit?Whoandwhenwasitinvented…telephonein1876TVin1927KarlBenzDoyouknowwhotheseinventorsare?AlexanderBellJ.L.BairdCanyoumatchtheinventionswiththerightinventors?1aLookatthethingsbelow.Inwhatorderdoyouthinktheywereinvented?Discussthemwithyourgroup.Thennumberthem[1-4](1=first,4=last)42131b

Listenandmatchtheinventionswiththedates._____1876_____1885_____1927_____1971dacbabdcListenagainandanswerthequestions.Didgrandma’sfamilyhaveacar?Didgrandma’sfamilyhaveaTV?Why?Yes,theyhadacar.No,theydidn’thaveaTV,becausetheycouldn’taffordone.1cStudentB,coverthedates.StudentA,askStudentBwhenthethingsinthepicturein1bwereinvented.Thenchangerolesandpracticeagain.A:Whenwasthetelephoneinvented?B:Ithinkitwasinventedin1876.Makeasimilarconversationwithyourpartnerusingthe1basamodel.A:Whenwas

theTV

invented?B:It

wasinventedin1927.A:

Who

was

it

inventedby?B:It

wasinventedbyBaird.PairWorkT:Whenwasthetelephone

invented?S:It

wasinventedin1876.T:

Who

was

it

inventedby?S:It

wasinventedbyBell.KarlBenzinventedthefirstcarin1885.Thefirstcarwasinvented(byKarlBenz)in1885.Thefirsttelephonewasinvented(byBell)in1876.Bellinventedthefirsttelephonein1876.Thefirsttelevisionwasinvented(byJ.L.Baird)in1927.J.L.Baird

inventedthefirsttelevisionin1927.Whatisitusedfor?Itisusedforcounting.calculatorWhataretheyusedfor?Theyareusedforgivinglight.lightbulbs2aListenandnumbertheinventions[1-3]intheorderyouhearthem.3122bListenagainandcompletethechart.InventionWhatisit/aretheyusedfor?shoeswithspecialheels________thestyleoftheshoesshoeswithlightsseeing___________hotice-creamscoop________reallycoldice-creamchangingservinginthedarkThefirstinventionisshoeswith________.Peoplealwayshittheirtoeson__________onthewaytothebathroomatnight.Sopeoplecanusethemfor________inthe______.Listenagainandfillintheblanks.somethingseeingdarklightsThesecondinventionisahotice-cream______.Itrunson____________andbecomeshot.It’s______forservingreally_______ice-cream.scoopelectricityusedcoldThelastinventionisshoeswithspecial_____.Peoplecanmovetheheels_____and______.Youcan_____theheelsifyouaregoingtoa______or______themifyouarejustgoingoutfor_________.heelsdownupraisepartylowershoppingMakeconversationsusingtheinformationin2b.B:They’reusedfor...A:Whataretheyusedfor?2cWhatis/are…usedfor?It’s/They’re…usedfor…Whataretheshoeswithlightsusedfor?They’reusedforseeinginthedark.Whatarehotice-creamscoopsusedfor?They’reusedforservingforreallycoldice-cream.A:

Whataretheyusedfor?B:

They’reusedfor…Whatareshoeswithspecialheelsusedfor?They’reusedforchangingthestyleoftheshoes.Itisusedfor...Whatisthezipperusedfor?2dRole-playtheconversation.Paul:HeyRoy,thesubjectformyschoolprojectis“Smallinventionsthatchangedtheworld.”Canyouhelpmethinkofaninvention?Roy:Mypleasure!Letmethink…hmm…Iknow!Thezipper!Paul:Thezipper?Isitreallysuchagreatinvention?Roy:Thinkabouthowoftenit’susedinourdailylives.Youcanseezippersondresses,trousers,shoes,bags…almosteverywhere!Paul:Well,youdoseemtohaveapoint…Roy:Ofcourse!IthoughtaboutitbecauseIsawawebsitelastweek.Thepioneersofdifferentinventionswerelistedthere.Forexample,itmentionedthatthezipperwasinventedbyWhitcombJudsonin1893.Butatthattime,itwasn’tusedwidely.

Paul:Really?Sowhendiditbecomepopular?Roy:Around1917.Readthepassageandanswerthequestions.Whatisthesubjectfortheirschoolproject?2.WhatkindofinventiondoesRoythinkof?

3.WhydoesRoythinkitisagreatinvention?4.Whoandwhenwasthezipperinvented?5.Whendidthezipperbecomepopular?Smallinventionsthatchangedtheworld.Thezipper.Becauseitisoftenusedinourdailylives.WhitcombJudsoninventeditin1893.Around1917.Thezipperisagreat___________andit___________ofteninourdailylife.It__________________

WhitcombJudsonin1893.Thezipperbecamepopular_____________.invention

isused

wasinventedbyaround1917Haveasummaryaboutthezipper.WhitcombL.Judson

(1846–1909)wasan

American

machinesalesman,mechanicalengineerandinventor.Hedevelopedandinventedthezipperin1890.

Top10“inventions”thatchangedtheworld1.GPSTechnology2.TheSonyWalkman3.TheBarcode(条形码)4.TVDinners(冷冻快餐)5.PlayStation(家庭电视机游戏)8.ElectronicMoney6.SocialNetworking7.Textmessages9.Microwaves10.Trainers1.inventv.

发明

指经过认识和实践创造出前所未有的事物。►Edisoninventedthelightbulb.爱迪生发明了电灯泡。invention和inventor都是名词，

前者意为“发明”，后者意为“发明家”。LanguagepointsLanguagePointsdiscover,invent和find都是动词,它们的词义相近,但是有区别:★discover意为“发现”,指发现某种本来存在,但以前未被发现或未为人所知的事物或现象。►Thelostbikewasdiscoveredatthebusstop.丢了的自行车发现在公共汽车站那儿。►LaterIdiscoveredthathewassokind.

后来我发现他如此善良。知识链接★invent意为“发明”,指发明以前不存在的东西。►Doyouknowwhoinventedthecomputer?

你知道谁发明的电脑吗？★find

意为“找到,发现”,指偶然发现或几乎没有困难地发现。►Ifoundsomeoldphotosinthatdrawer.

我在那个抽屉里发现了一些旧照片。

discover,invent和find2.Whataretheyusedfor?它们是用来做什么的？

beusedforsth./doingsth.意为“被用来做某事”，表示用途或目的，后接名词或动名词，相当于beusedtodosth.►Clothesareusedforkeeping(=tokeep)warm.►Woodcanbeusedforbuilding(=tobuild)houses.►Thestickisusedtowriteontheblackboard.usedtodosth.意为“过去常常做某事”。►IusedtosmokewhenIwasyoung.usesth.todosth.意为“使用某物来做某事”,其被动结构为“sth.beusedtodosth.”。

►Theseknivesareusedtocutpies.beusedas意为“被用作……，被作为……使用”。►EnglishisusedasaforeignlanguageinChina.beusedby意为“被……使用”。►Rubbersareoftenusedbystudentstocorrectmistakes.3.—Canyouhelpmethinkofaninvention?—Mypleasure!Mypleasure也可说成It’sa/mypleasure.或Apleasure，意思是“我的荣幸；愿为你效劳；这是件愉快的事”。►—Willyoupleasehelpmetakethebookstotheclassroom?

请你帮我把这些书带到教室里去好吗？

—Mypleasure./It'sapleasure.愿为你效劳。pleasure​n.愉快；高兴►Iwillrememberthismeetingwith

pleasure.我会愉快地记着这次的会晤。►Itisa

pleasure

toworkwithyou.和你一起工作真是件乐事。at(one’s)pleasure随便►Youarefreetocomeandgoatyourpleasure.来去自由,尊便。takepleasurein以某事为乐，喜欢做某事withpleasure愉快地，高兴地，没问题4.Well,youdoseemtohaveapoint…youdoseemtohaveapoint…是个强调句，

用“助动词do+谓语动词原形”的结构。►DoStayforsupper!一定要留下吃晚饭！►Hedidcomehereyesterday.他昨天的确来这儿了。(2)haveapoint有道理►Iguessyou

haveapoint

there.

我想你说的有道理。►Strangely,bothofthemmayhaveapoint.奇怪的是,两个人似乎都有道理。5.

...itmentionedthatthezipperwas...

(1)mention表示“提到；提及”，是及物动词，其后接名词或代词作宾语时，无需用任何介词；另外注意不接双宾语。如：►Don’t

mention

thisproblemthisevening.

今晚别提这个问题。►Nobody

mentioned

thetimeofthismeeting.

谁也没有提到这次会议的时间。►Henevermentionedhistallfriendtome./Henevermentionedtomethathehadatallfriend.他从未向我提及他有个女朋友。（2）若后接动词，要用动名词，不能用不定式。►WheneverImentionplayingfootball,hesayshe’stoobusy.我一提起踢足球，他就说太忙。（3）口语中说Don’tmentionit.主要用来回答感谢，有时也用来回答道歉。如：►A：Thankyouverymuch.多谢你了。B：Don’tmentionit.不客气。►A：I’msorrytohavetroubledyou.对不起打扰你了。B：Don’tmentionit.没关系。Ⅰ.单选。

1.Englishiswidelyused_______manypeoplearoundthe

world_______asecondlanguage.

A.by；forB.by;as

C.as；forD.for；as2.—Thankyoufortakingmearoundyourschool,Daming.

—________

A.Don’tmention

it.B.Nevermind.

C.Ofcoursenot.

D.Noproblem.ExercisesBAⅡ.根据句意和所给汉语提示,完成下列单词的拼写。1).Edison_________theelectriclamp.2).Ilostmynecklacelastnight.Ihaven’t________it.3).Who___________Americafirst?4).Thetelephone_______________in1876.5).Childrenalsoneedtime________(玩耍).inventedfounddiscoveredtoplay

wasdiscovered

Ⅲ.根据句意和所给汉语提示,完成下列单词的拼写。

1.That’sthemost_________(有用的)book.2.ItissaidthatThomasEdisonhad1,093___________(发明)duringhislifetime.3.——Whatisthiskindofmachineusedfor?——It’susedfor_________(听)to

music.4.Ifyou_________(加热)theice,itwillsoonbecomewater.

useful

inventionslisteningheatⅣ.句型转换。1.Thepersonalcomputerwasinventedin1976.(对划线部分提问)_______________thepersonalcomputer___________?