Unit4Topic1SA

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1、Unit 4 Amazing Science Topic 1 When was it invented?Section A 短语复习短语复习be afraid of doing sth make progress(in)feel like doinggive up doing sthbe weak inturn to sb sth.take a deep breathadvise sb.to doas often as possibleas long asstick to doing害怕做某事害怕做某事在在方面取得进步方面取得进步想要做某事想要做某事放弃，戒掉放弃，戒掉在在方面薄弱方面薄弱向某

2、人向某人(物）求助物）求助做深呼吸做深呼吸建议某人做某事建议某人做某事尽可能经常地尽可能经常地只要只要坚持做某事坚持做某事1.掌握本课的重点词汇和短语，初步学习一般过去时的被动语态一般过去时的被动语态。2.能够在听、说、读、写中正确运用一般过去时的被动语态正确运用一般过去时的被动语态。3.要勤思考、有理想、争做未来的发明家。4.了解其他国家的科技发明。学习目标学习目标 学习学习1aA.Whats it made of?B.Its made of metal.A.Do you know what it is used for?B.Its used for sending satellites o

3、r spaceships into space.学习学习1aSpend(时时/钱钱)(in)doing sth 花费时间花费时间(金钱金钱)做某事做某事 1.Spend(时时/钱）钱）on sth 花费时间花费时间(金钱金钱)在某事上在某事上2.allow v.允许允许1).allow sb.to do sth.允许某人做某事允许某人做某事2).allow doing sth.允许做某事允许做某事3).sb be allowed to do sth.被允许做某事被允许做某事be made of 由某种物质做成由某种物质做成(看得出原看得出原材料，物理过程材料，物理过程)be made from

4、 由某种物质制成由某种物质制成(看不看不出原材料，化学过程出原材料，化学过程)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1）2）3.Make的用法的用法4.Use 的用法的用法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some day-某一天某一天，总有一天总有一天(将来将来)

5、e.g.I wish I could have my own house some day.5.Wish 宾语从句（虚拟语宾语从句（虚拟语气）气）1b Listen to 1a and mark T(True)or F(False).1.Jane is unhappy because she was not allowed to go to a party last night.()2.Kangkangs father made a model rocket for him.()3.The rocket is made of metal.()4.A rocket is used for sen

6、ding satellites or spaceships into space.()FFTT1c Read 1a and answer the following questions.1.Why did Kankang ask Jane not to spend too much time on computer games?Its bad for her health if she spends too much time on them.too tiredheadachesore eyes 2).Who taught Kangkang some knowledge about space

7、ships?Mr.Brown.3).Whats Kangkangs dream?He wishes he could go into space some day.I hope his dream will come true.4).Whats a rocket used for?Its used for sending satellites or spaceships into space.复习复习一般现在时的被动语态一般现在时的被动语态is spoken byShe speaks Chinese.is spoken by He speaks English.EnglishEnglish.H

8、ehim.ChineseChinese.Sheher.被动语态被动语态(Passive Voice)be+done 主动语态：主动语态：主语主语 +动词动词 +宾语宾语被动语态：被动语态：主语主语 +be+be+过去分词过去分词 +by+by+宾语宾语Many people use computers.Computers _ _ by _ _.The workers plant trees in the garden.Trees _ _ in the garden _ the workers.are usedmany peopleare plantedbyExercise 1.Trees _(

9、water)in our school every three days.2.The zoo _(visit)by lots of children on weekends.3.A Journey to West _(show)on CCTV every summer.4.On Christmas Day,children wake up early and cant wait _(open)the boxes of presents.5.Well have a chance _(see)the flower show this weekend.to openis shownare water

10、edto seeis visitedA:Whats the lock made of?B:Its made of metal.A:Whats it used for?B:Its used for locking the door.n.锁锁 v.（用锁）（用锁）锁上，被锁住锁上，被锁住2 Follow the example to make up similar conversations.lock/metalA:Whats the paper made from?B:Its made from wood.A:Whats it used for?B:Its used for writing on

11、.paper/woodcomputer desk/woodchopsticks/bamboosweater/cottonwatch/metal 学习一般过去时的被动语态学习一般过去时的被动语态结构结构:助动词助动词(was/were)+及物动词的过去分词及物动词的过去分词1.肯定句式肯定句式：主语主语+was/were+v.-ed2.否定句式否定句式：主语主语+was/were+not+v.-ed3.一般疑问句式：一般疑问句式：Was/Were+主语主语+vt.-ed4.特殊疑问句式：特殊疑问句式：疑问词疑问词W/H+was/were+主语主语+v.-edE.g.An e-mail was s

12、ent to her friend by Jane yesterday.An e-mail wasnt sent to her friend by Jane yesterday.Was an e-mail sent to her friend by Jane yesterday?Who was the e-mail sent to by Jane yesterday?3a A.Listen to the conversations and number the following pictures.2313a B.Listen again and complete the table.Inve

13、ntionItemlaptopcell phonedigital cameraMaterialUsageYearcountryplasticplasticmetal and plasticstudy,work and play communicatetake photosaround 19851973around 1975JapanAmericaAmerica3b Work in pairs.Ask and answer questions based on the table in 3a with passive voice.A:What is a laptop made of?B:It i

14、s made of plastic.A:Whats it used for?B:It is used for studying.A:When and where was it developed?B:It was developed in Japan in 1985.Example:Focus on the meaning in communication.Dont be afraid of making mistakes.练习练习.1.My mother allows me to use her cellphone.(改为被动语改为被动语态态)I _ _ _ use my mothers c

15、ellphone.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.(就划线部分就划线部分提问提问)_ _ the digital camera _?4.Maybe he is an inventor.(改为同义句改为同义句)He _ _ an inventor.am allowed to What isused forWhen was inventedmay be 小结小结We

16、 learn:1.Some words:lock,rocket,metal,satellite,spaceship 2.Some phrases:be made of,be used of,some day,come true 3.Some sentences:(1)I wish I could go into space some day.(2)I hope your dream will come true.(3)-What is a rocket used for?-Its used for sending satellites or spaceships into space.We can:Use the passive voice.1.Read 1a.2.Memorize the useful expressions and key sentences that we learn today.3.Finish Section A in your workbook.4.Preview Section B.作业作业