初中九年級(jí)英語(yǔ)課件Unit Four Topic One Section B

Unit4AmazingScience

Topic1Whenwasitinvented?

SectionB臨城縣石城中學(xué)王瑞國(guó)1.一般過(guò)去時(shí)的被動(dòng)語(yǔ)態(tài)結(jié)構(gòu):Let’sreviewtogether:

(was/were)+及物動(dòng)詞的過(guò)去分詞2.區(qū)別bemade有關(guān)的一些短語(yǔ)：bemadeofbemadefrombemadeupof

bemadein

bemadeby

bemadeinto由某種物質(zhì)制成(看不出原材料，化學(xué)過(guò)程)由某種物質(zhì)做成(看得出原材料，物理過(guò)程)由幾部分組成在某地/某時(shí)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[b?lb]Whoandwheninventedit?Who?when?airplane

/ε?plein/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/t?m?sedsn/InventorsWecanlearnhardworkandpersistencein1879.

fromthegreatinventor.

堅(jiān)持Wealsoknowinventedthefirstradio.in1895

thefirstradioGuglielmoMarconi[gugli??lm??mɑr?k??ni]WilburandOrvilleWright[?wilb?]['?:v?l][ra?t]thefirstairplaneThefirstairplaneisquitedifferentfromtoday’s.inventedit

in1903

It’ssaidthat

heinventedmorethantwothousandthingsduringhislife

duringone’slife在某人的一生當(dāng)中據(jù)說(shuō)……KnowledgetreasureⅡPhrases1.2.Anairplane,butit’sdifferentfromtoday’s.

bedifferentfrom與......不同4.Itwas

inventedbyWilburandOrvilleWrightin1903.GrammarFindoutthepassivevoicein1a.

KnowledgetreasureⅢ1.Itiswidelyusedbypeopleeverywhere2.Itwas

inventedin1879.3.Theradiowas

inventedbyGuglielmoMarconiSummarizethestructureofpassivevoice:

主語(yǔ)+be+doneThepastpassivevoice:主語(yǔ)+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.用所給中文完成下列句子，注意動(dòng)詞的適當(dāng)形式。1、在日常生活中，我們都廣泛使用手機(jī).Mobilephones_____________byusinoureverydaylife.2、第一條牛仔褲是在1855年生產(chǎn)出來(lái)的。Thefirstjeans________________in1855.3、ThomasEdison在他的一生中發(fā)明了2000多件東西.__________twothousandthings________________ThomasEdison_____________.4、過(guò)去的飛機(jī)與現(xiàn)在的不一樣.Theairplaneinthepast________________today’s.5、據(jù)說(shuō)WrightBrothers發(fā)明了飛機(jī).__________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中考真題Welearn:1.Someword