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1、 Unit 4 Our WorldTopic 2 Robots Robots What can robots do for us?I am suresave peoplein dangerrobots can save people in danger repair machines robots can repair machines.lift parts of trucksrobots can lift parts of trucks.carry heavy thingsrobots can carry heavy things.mend roadsrobots can mend road
2、s.catch fishrobots can catch fish.2Work alone(录音录音1)63254save people in dangerrepair machineslift parts of truckscarry heavy thingsmend roadscatch fish12.When did scientists invent the first robot?Scientists invented the first robot in 1921.1.Where did Kangkang go last weekend?He went to the Science
3、 Center last weekend.:Listen to 1a and answer the questions:What can robots do for us?1.2.3.Robots can do some work and than humans.Robots can humans to do hard or boring work in some .Robots can also do lots of work humans.Listen to 1a and fill in the blanks.take the place ofsituationsdangerousinst
4、ead offasterbettertake the place ofinstead ofThe advantages of robots:1.2.3.Robots can do some work faster and better than humans.Robots can take the place of humans to do hard or boring work in some situations.Robots can also do lots of dangerous work instead of humans.Read 1a again and write down
5、the advantages of robots.1)Robots can take the place of humans to do hard work.2)They can also do lots of dangerous work instead of humans.观察以下观察以下2个句子，总结一下两词用法上的区别个句子，总结一下两词用法上的区别=They can also take the place of humans to do lots of dangerous work.1.take the place of：取代，代替；动词短语动词短语 2.instead of+sth
6、/doing 代替，而不是；介词短介词短语语=Robots can do hard work instead of humans.Discuss the advantages and disadvantages of robots.Can robots only do good things for us?Discuss the advantages and disadvantages of robots.Then complete the table.You can add your own opinions.Group work1.Robots will make humans lose
7、their jobs(失业失业).2.Robots can do some work faster and better than humans.3.Robots can do many kinds of jobs.4.Robots can do more difficult work than humans.5.Robots will make humans lazy.6.Robots can do dangerous work.7.Robots can work without pay（不用工资）（不用工资）.AdvantageDisadvantage2.Robots can do som
8、e work faster and better than humans.3.Robots can do many kinds of jobs.4.Robots can do more difficult work than humans.6.Robots can do dangerous work.7.Robots can work without pay.1.Robots will make humans lose their jobs.5.Robots will make humans lazy.Make a similar conversation after the example,
9、using the information above.Example:A:Are you sure?B:Yes,Im sure./No,Im not sure.A:Is it good or bad for us?B:A:Do you think you will have a robot in 20 years?B:Yes,Im sure./No,Im not sure.A:What will it do if you have one?B:It will Group work“in+一段时间一段时间”表示表示“之后之后”，用于一般将来，用于一般将来时。时。1.Phrases“take t
10、he place of”VS“instead of”2.The sentence pattern：Im sure Are you sure?3.Talk about the advantages and disadvantages of robots.Yes,Im sure./Yes,quite sure.No,Im not sure.HomeworkMake 5 sentences with“Im sure”Write a passage about the robots according to the discussion in class.随堂练习随堂练习.根据汉语或首字母提示完成句子
11、。1.Edison was a great s_.2.Robots can r_ the machine.3.Robots can work w_ pay.4.Can robots _ _ _ _ humans in the future?(代替)5.Suddenly a truck _ around the corner.(出现)epaircientistithouttake the place ofappeared.单项选择。()1.My father will go to Shenzhen_.A.three days ago B.in three days C.after three d
12、ays D.before three days()2.I have bread _rice for breakfast.A.take the place of B.instead C.instead of D.take place()3.He tries to make us_ what he said.A.to understand B.understood C.understanding D.understand()4.Now its difficult to find _ in the USA.A.jobs B.works C.a work D.job()5._ you_ that he can come tomorrow?A.Are;sure of B.Do;sure C.Are;think D.Are;sure BCDADHomeworkMake 5 sentences with“Im sure”Write a passage about the robots according to the discussion in class.Thanks for listening!Thanks for listening!Goodbye!Goodbye!