Whenwasitdeveloped课件（九年级第四单元）

1、Unit 4 Topic 2When was it developed ?Section A骆驼坳中学骆驼坳中学 瞿志雷瞿志雷 Whats this in English? What do you know about it ?A、Whats it made of ?B、Whats it used for ?It is made of wood .It is used for sending satellites and spaceships .Kangkangs model A、Whats it made of ?B、Whats it used for ?It is made of It i

2、s used for computer deskwood / holdtoothbrush/plasticbrushpen/plastic/writetowel/cotton/washA、Whats it made from ?It is made from red wine/grapes/drinkpaper/wood/write onB、Whats it used for ?It is used for glass/sand/make windowsCD/plastic/store musicof +材料材料 由 制成（ 看得出的材料）from +材料材料 由制成（ 看不出的材料）be m

3、adebe used for doing sth.Eg:Books are made of paper. Paper is made from wood.Eg:Wood is used for making paper.ruler / steel / learn mathlift / iron / go upstairs and downstairsink / carbon / write paper / wood / write onRead 1b and make similar conversations . a computer help to work and study 1946

4、U.S.AA: Hello, whats this in English? B: Its a computer .A: Whats it used for ?B: Its used for helping to work and study .A: When was it developed ?B: It was developed in 1946 .A: Where was it developed ?B: It was developed in the U.S.A .A: Thank you .2a一般过去时态的被动语态一般过去时态的被动语态：be（was / were) + v.(p.p

5、)Eg : My MP3 was stolen by Tom last night . The hard work was finished by us just now . Match the picturesMatch the pictures2bInventionTimeCountryUse( ) digital camera 1957Americatake photos( ) computer1946Americahelp to work and study( ) mobile phone1973Americacommunicate easily( ) MP3 player1998Ko

6、realisten to music1234computer4132mobile phoneMP3 playerdigital cameraTalking about inventionsTalking about inventions computer1cellphone2MP3 player3digital camera4A: Hello, whats this in English? B: Its .A: Whats it used for ?B: Its used for .A: When was it developed ?B: It was developed in .A: Where was it develo