自制九年级九单元课件.ppt

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1、Unit 9 When was it invented?Section A(1a-2c)能力目标能力目标：使学生学会用被动语态来谈论发明。知识目标：知识目标：重点单词重点单词invent,adjustable,battery-operated,slippers,heat,calculator,scoop 重点短语重点短语be used for,in the dark 重点句型重点句型When was the car invented?What is it used for?Who was it invented by?语法语法学习一般过去时的被动语态和特殊疑问句。情感目标：情感目标：通过本单元

2、学习，使学生懂得人类的科学发明创造了丰富的物质文明，激发学生创造发明的意愿。自主学习方案1.自查单词：自查单词：v.发明，创造 n.发明，创造 _ n.发明者，创造者 n.计算器 v.用勺舀，n.勺子 adj.可调整的 n.后跟 n.电池v.操作 adj.电池供电的 _ n.拖鞋 v.加热 _ 用来做 可调整鞋跟的鞋子 改变鞋子的款式 电池操控的拖鞋 黑暗中照明 _ inventinventioninventorcalculatorscoopadjustableheelbbatteryoperatebattery-operatedslipperheatbe used forshoes with

3、 adjustable heelschange the style of the shoesbattery-operated slipperssee in the dark2.2.语法知识：语法知识：语态表示句子的主语和谓语动词之间的关系。语态表示句子的主语和谓语动词之间的关系。英语动词有两种语态：主动语态和被动语态。英语动词有两种语态：主动语态和被动语态。谓语动词的谓语动词的 作主语，用主动语态。作主语，用主动语态。谓语动词的谓语动词的 作主语，用被动语态。作主语，用被动语态。一般现在时一般现在时的被动语态：的被动语态：及物动词的过去分词及物动词的过去分词 一般过去时一般过去时的被动语态：的

4、被动语态：及物动词的过去分词及物动词的过去分词 情态动词情态动词的被动语态的被动语态 及物动词的过去分词及物动词的过去分词试一试：把下列句子改为被动语态。试一试：把下列句子改为被动语态。1.We clean the classroom every day.1.We clean the classroom every day.2.The farmers built the bridge in 1998.2.The farmers built the bridge in 1998.3.The teachers should allow us to eat meals outside3.The te

5、achers should allow us to eat meals outside.执行者执行者承受者承受者Is/am/areWas/were 情态动词情态动词bebe Look at the things below.In what order do you think they were invented?Number them1-5.1a1a12345_1876_1876_1885_1885_1927_1927_1971_1971_1976_1976Guide 1 Listen and match the inventions with the dates.d da ae ecb b

6、tapescriptstapescriptsGirl:Life must have been difficult when you were a kid.Woman:Oh,not really.Why do you say that?Girl:Well,you didnt have many modern inventions.Like,you probably didnt have a telephone,right?Woman:Of course we did!How old do you think I am?The telephone was invented in 1876.Girl

7、:How about cars?I bet cars werent invented yet.Woman:Sure they were.Cars were invented in 1885.My family had a car.I think you need to take a history class,Alice.Girl:Ha,ha!Well,did you have a TV?Woman:No,we didnt.The TV was invented around 1927,I think.Some friends of mine had one.But in those days

8、,TVs were really expensive,and we couldnt afford one.Girl:And I bet you didnt have calculators and computers and stuff.Thats something I do know.We learned in school that hand-held calculator were invented in 1971 and personal computers were invented in 1976.Woman:Youre right.I didnt have those thin

9、gs when I was young.But I do now!Guide 2 PairworkGuide 2 PairworkMake conversations like this.Make conversations like this.A:When A:When waswas the telephone the telephone inventedinvented?B:I think it B:I think it was invented was invented in 1876.in 1876.A:When A:When waswas the car the car invent

10、edinvented?B:I think it B:I think it was invented was invented in 1930.in 1930.I think it I think it was invented was invented after the after the telephone.telephone.light bulbThomas EdisonSeeing in the darkSeeing in the darkWhats this?Its a light bulb.Who was it invented by?It was invented by Thom

11、as Edison.What is it used for?Its used for seeing in the dark.battery-operated slippersheated ice cream scoopshoes with adjustable heelsGuide 3 Listen and number the Guide 3 Listen and number the inventions in the order that you hear them.inventions in the order that you hear them.Listen again and m

12、atch the inventions with their inventors and uses.Invention1.shoes with adjustable heels2.battery-operated slippers3.heated ice cream scoop Who were they invented by?Chelsea LanmonJayce Coziar and Jamie EllsworthJulie Thopmson What was it/were they used for?scooping really cold ice creamseeing in th

13、e darkchanging the style of shoesBoy:What are those?Girl:Theyre battery-operated slippers.Boy:What are they used for?Girl:Theyre used for seeing in the dark.Boy:Oh,thats cool!Who were they invented by?Girl:Julie Thompson.And look at this heated ice cream scoop.Boy:I know what its for!Its used for sc

14、ooping out really cold ice cream.Listen and repeatGirl:Right.It was invented by helseaLanmon.Boy:My favorite are those shoes with adjustable heels.You knowyou can move the heels up and down.They were invented by ayce Coziar and Jamie Ellsworth.Girl:And what are they used for?Boy:Well,you can change

15、the style of your shoes.You can make the shoes go from casual to dressy.Pairwork Pairwork Role play conversations using the information in the chart above.What is it/are they?It is/They are.Who was it/were they invented by?It was/They were invented by.What is it/are they used for?It is/They are used

16、 forJulie ThompsonJulie ThompsonChelsea LanmonChelsea LanmonJayce Coziar and Jayce Coziar and Jamie EllsworthJamie EllsworthBellKarl BensKorea 19981975Make your own conversationMake your own conversation.1973Class exercises:对对画画线线部分提部分提问问：1.The car was invented in 1885.2.The book was written by Ba J

17、in.3.Stamps are used for sending letters.汉译英：汉译英：4.可调整鞋跟的鞋子可调整鞋跟的鞋子 是用来改变鞋子的款式。是用来改变鞋子的款式。5.毛衣是用来干什么的？它们是用来保暖的。毛衣是用来干什么的？它们是用来保暖的。6.这些树是谁种的？它们是二班的学生种的。这些树是谁种的？它们是二班的学生种的。7.教室是什么时候打扫的？它是一小时前被打扫的。教室是什么时候打扫的？它是一小时前被打扫的。根据句意和提示完成句子。根据句意和提示完成句子。1.Paper was _(发发明明)by a Chinese called Cai Lun.2.The walkman

18、 stopped working suddenly.You need to change the _(电池电池),Im afraid.3._(加热加热)the ice and it becomes water.4.Were not allowed to wear _(拖鞋拖鞋)to school.5._(舀舀)the porridge with a spoon.Its too hot.6.Edison was a great _(发明家发明家).He made a lot of (发明发明)all his life.7.Wood can (被用来被用来)making paper.8.Could

19、 you please show me how to (操作操作)the new machine?9.The height of the bicycle is (可调整的可调整的).10.Look at this (heat)ice cream scoop.11.Knives are used for (cut)things.单项选择单项选择1.The hall _ by the farmers themselves in 1982.1.The hall _ by the farmers themselves in 1982.A.builtA.built B.was builtB.was bu

20、ilt C.build D.was build C.build D.was build 2.All the books will _ to the children who live in the small 2.All the books will _ to the children who live in the small village.village.A.be sentA.be sentB.sentB.sent C.be sendC.be send D.sendD.send3.Keys _ used for _ the doors.3.Keys _ used for _ the do

21、ors.A.is,openingA.is,opening B.is,openedB.is,opened C.are,openingC.are,opening D.are opened D.are opened 4.My mother told me that my homework must _ on 4.My mother told me that my homework must _ on time.time.A.finishA.finish B.be finish B.be finishC.be finishedC.be finishedD.finished D.finished 5.I

22、ts used for _ clearly in the dark.5.Its used for _ clearly in the dark.A.seeingA.seeing B.seeB.see C.looking D.look C.looking D.look 6.When _ the car _?6.When _ the car _?A.did,inventA.did,invent B.was,inventedB.was,invented C.does,inventC.does,invent D.is,invented D.is,invented 7.I 7.I not to play computer games too much.not to play computer games too much.A.am told B.tell c.have told D.am telling A.am told B.tell c.have told D.am telling