九上U4T2SA.ppt

《九上U4T2SA.ppt》由会员分享，可在线阅读，更多相关《九上U4T2SA.ppt（26页珍藏版）》请在淘文阁 - 分享文档赚钱的网站上搜索。

1、 Unit 4 Amazing Science Topic 2 When was it invented?学习目标：1.学习一些新单词及有用的短语；学习一些新单词及有用的短语；metal，toothbrush，ink be made of/be made from2.学习一般过去式的被动语态；学习一般过去式的被动语态；3.谈论新科技及其新发明。谈论新科技及其新发明。A:Whats this in English?B:Its a computer desk.A:Whats it made of?B:Its made of wood.A:Whats it used for?B:Its used f

2、or holding a computer.Look and learn.A:How do you say this in English?B:Its a piece of paper.A:Whats it made from?B:Its made from wood.A:Whats it used for?B:Its used for writing on.be made of 由某种物质做成由某种物质做成(容易容易看出原材料看出原材料，物理过程，物理过程)be made from 由某种物质制成由某种物质制成(不容易不容易看出原材料看出原材料，化学过程，化学过程)Task1;Discuss

3、 and find out the differences between be made of and be made from.be made up of 由几部分组成由几部分组成be made in 在某地在某地/某时制造某时制造be made by 由某人制造由某人制造be made into 被制成被制成be used for 被用来做被用来做be used to do 被用来做被用来做be used as 被用作被用作be used by 被某人使用被某人使用used to do sth.过去常做过去常做be used to doing sth.习惯于做习惯于做123Task2:归

4、纳归纳made和和 used的其他短语的其他短语toothbrush Guessing games.Its made of plastic.Its used for brushing teeth.eg.red wineIts made from grapes.Its used for drinking.ruler Its made of steel.Its used for measuring with.sweaterIts made of cotton.Its used for keeping warm.bedIts made of iron.Its used for sleeping on

5、.inkIts made from carbon.Its used for writing in.Its made of steel.Its used for sending satellites or spaceships into space.rocket1.Why is Jane unhappy?Because she isnt allowed to play computer games.2.What does Kangkang show to Jane?A model rocket.3.Whats it made of?Its made of wood.Wow!A model roc

6、ket!Look,listen and answer.（录音（录音p85-1a）1.I am not allowed to playcomputer games.allow v.允许1.allow sb.to do sth.允许某人做某事2.allow doing sth.允许做某事3.be allowed to do sth.被允许做某事key points2.I wish I could go into space some day.some day-某一天某一天,总有一天总有一天(将来将来)e.g.I wish I could have my own house some day.3.I

7、 hope your dream will come e true-变成真的变成真的,实现实现realize/achieve-make e trueAct out the dialog.Invention Time Place Use When was it developed?Where was it developed?Listen and finish the table.MP3 playerAround 1998KoreaImprove our English（录音（录音p86-2a）InventionTimeCountry UseDigitalcamera()1975America

8、take photosComputer ()1946America help to work and studyCellphone ()1973America communicate Match the pictures with their inventions.213312Then make conversations similar to 2a.Make up dialogs according to the form.A:What are you doing?B:I am A:Whats this?B:Its a(an)A:Whats it used for?B:Its used fo

9、rA:When was it developed?B:It was developed in A:Where was it developed?B:It was developed in For example:()1.He _play computer games unless he finished his homework.A.was allowed to B.was not allowed to C.allow to()2.We all know that paper _wood.A.is made of B.is made into C.is made from()3.This ki

10、nd of machine _in 2006.A.is invented B.is made C.was invented()4.A(An)_is used for taking photos.A.Camera B.Lift C.MP3 player()5.We should spend more time _because its too important.A.to learn English B.learning English C.in EnglishBCCABI.Choose the right answers.You can do it.Fill in the blanks wit

11、h the right prepositions.1.The desk is made _ wood.2.The red wine is made _ grapes.3.This delicious cake was made _my mother.4.Glasses is made _ glass.5.Our group is made up _ four students.6.That kind of machine is made _ _Japan.offromofofbyinLets sum up together.Homework:Write a short passage abou

12、t one of your favourite inventions.Change the following sentences.1.My mother allows me to use her cellphone.(改为被动语态改为被动语态)I _ _ _ use my mothers cellphone.2.A rocket is used for launching satellites and spaceships.(就画线部分提问就画线部分提问)_ _ a rocket _ _?3.The digital camera was invented in 1975.(就划线部分提问就划线部分提问)_ _ the digital camera _?4.Maybe he is an inventor.(改为同义句改为同义句)He _ _ an inventor.5.Whats this in English?(改为同义句改为同义句)_ _ you _ _ in English?am allowed to What is used forWhen was inventedmay be How dosay this