初中九年级英语课件Unit Four Topic One Section B

Unit4AmazingScience

Topic1Whenwasitinvented?

SectionB临城县石城中学王瑞国1.一般过去时的被动语态结构:Let’sreviewtogether:

(was/were)+及物动词的过去分词2.区别bemade有关的一些短语：bemadeofbemadefrombemadeupof

bemadein

bemadeby

bemadeinto由某种物质制成(看不出原材料，化学过程)由某种物质做成(看得出原材料，物理过程)由几部分组成在某地/某时制造由某人制造被制成

Fillintheblankswiththeproperformsofthegivenwords.(P84-2)

Thefirstjeanswereproducedin1855.Atthattime,they_____________(notcall)jeansandtheywerejusthard-wearingpantsdesignedforworkers.Thepants_____________(make)ofthebrowncloth.Thiskindofcloth______usually_______(use)formakingtents.Nowadays,theirmaterialshavebeenchangedsothatitfeelsmorecomfortable.Andmanydifferentjeansstyles____also___________(create).They___________(design)notonlyforworkersbutalsoforteenagersandwomen.Laterjeansarepopularallovertheworld.werenotcalledweremadeusedarecreatedaredesignedwasHaveachallenge耐磨的以便于不但...而且...全世界Challenge1Memorizesomeimportantwordsandphrases:bulb,airplane,hard-wearing,it’ssaidthatChallenge2GoonlearningthesimplepastpassivevoiceeChallenge3LearnsomeinformationaboutsomeinventionsChallenge4EncouragestudentstolovescienceandbeinventorsinthefutureAreyouready?GoToday’sChallengesGuesslightbulb[bʌlb]Whoandwheninventedit?Who?when?airplane

/εəplein/Who?when?Listento1aandchoosethecorrectanswer.(P83-1b)()1.WhereareMichaelandJane? A.Inthesciencemuseum.B.Attheschoollibrary.C.Inthezoo.D.Inthepark.

()2.Whichobjectisnotmentionedintheconversation? A.Lightbulb.B.Airplane.C.Television.D.Radio.ExplorethetruthⅠACRead1aandcompletethetable.InventionInventorYearlightbulb

GuglielmoMarconi

1903radioairplaneThomasEdisonWilburandOrvilleWright18791895ExplorethetruthⅡP83-1cKnowledgetreasureⅠinventedthelightbulbThomasEdisonHefailedmorethan8000timesbeforethelightbulbwasinvented.ThomasEdison/tɔməsedsn/InventorsWecanlearnhardworkandpersistencein1879.

fromthegreatinventor.

坚持Wealsoknowinventedthefirstradio.in1895

thefirstradioGuglielmoMarconi[gugliˈɛlməʊmɑrˈkəʊni]WilburandOrvilleWright[ˈwilbə]['ɔ:vɪl][raɪt]thefirstairplaneThefirstairplaneisquitedifferentfromtoday’s.inventedit

in1903

It’ssaidthat

heinventedmorethantwothousandthingsduringhislife

duringone’slife在某人的一生当中据说……KnowledgetreasureⅡPhrases1.2.Anairplane,butit’sdifferentfromtoday’s.

bedifferentfrom与......不同4.Itwas

inventedbyWilburandOrvilleWrightin1903.GrammarFindoutthepassivevoicein1a.

KnowledgetreasureⅢ1.Itiswidelyusedbypeopleeverywhere2.Itwas

inventedin1879.3.Theradiowas

inventedbyGuglielmoMarconiSummarizethestructureofpassivevoice:

主语+be+doneThepastpassivevoice:主语+was/were+doneE.g.Thefirstjeanswereproducedin1855

Discusswithyourclassmatestheinventionslistedin1c.

Letthemguesswhichinventionyouaredescribing.(P83-1d)Youmaybeginlikethis:

Itiswidelyusedbypeopleeverywhere.Itwasinventedin1879byThomasEdison.It’ssaidthat...

Usethetreasurethefirstcar

today’scar

Let’slearnmoreinventionsWhoandwheninventedthefirstcar?thefirsttelephone

today’stelephone

Thefirsttelephoneisquitedifferentfromtoday’s.Whoandwheninventedthefirsttelephone?thefirsttelevisiontoday’stelevisionTheyareverydifferent,whoandwheninventedthefirsttelevision?Areyoureadyforlistening?GoA.

KarlBenzC.AlexanderGrahamBellB.JohnBairdInventionInventorYeara.1926b.1876c.1885Listentothethreepassages.Matchthepictureswiththefollowinginformation.

(P83-1b)China’sgreatinventionsshow1234compasspaper-makinggunpowderprinting5HongKong-Zhuhai-MacaoBridgeIt’sacross-seabridgebuiltinEastAsiaandIt’s55kmlong.ItisaglobalsatellitenavigationsystemdevelopedbyChinaindependently6BeiDouNavigationSatelliteSystem7LaserphototypesetterWangXuaninventedthefourthgenerationlaseremissionsystem.8High-speedrailproject

Itmakesourtransportation

faster,easierandmoreconvenient.用所给中文完成下列句子，注意动词的适当形式。1、在日常生活中，我们都广泛使用手机.Mobilephones_____________byusinoureverydaylife.2、第一条牛仔裤是在1855年生产出来的。Thefirstjeans________________in1855.3、ThomasEdison在他的一生中发明了2000多件东西.__________twothousandthings________________ThomasEdison_____________.4、过去的飞机与现在的不一样.Theairplaneinthepast________________today’s.5、据说WrightBrothers发明了飞机.__________theairplane______________byWrightBrothers.HaveatestMorewidelyusedwereproducedarethanwereinventedbyduringhislifeisdifferentfromIt’ssaidwasinvented()1.Emilyisgladthatshe___fhonestyatthatmeeting.（2016.河北）A.praisesB.praisedC.ispraisedD.waspraised()2.Everybody____deeplyaftertheyheardthestory.(2015.河北）A.movesB.movedC.ismovedD.wasmoved()3.Annie____totheparty.Shehadawonderfultimewithus.(2013.河北）

A.invitesB.isinvitedC.wasinvitedD.hasinvited()4.Lastyear,LiHua,acollegestudent,____toworkfortheOlympicGames.(2008.河北）A.ischoosingB.ischosenC.waschoosingD.waschosenDDCD中考真题Welearn:1.Someword