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1、Unit 4 Our WorldTopic 2 Im not sure if there are UFOs.Section A 泉口镇初级中学 胡亚琴,Whats this?Its a _.,robot,What did he do?He was a _.,scientist,A:What can robots do for us?B:They can,Look and say,save people in danger,repair machines,lift parts of trucks,carry heavy things,mend roads,catch fishes,Robots
2、can take the place of humans to do hard or boring work in some situations.Are you sure?,Where did Kangkang go last weekend?When did scientists invent the first robot?(when did the first robot appear?)What can robots do for us?,When did scientists invent the first robot?(when did the first robot appe
3、ar?),Scientists invented the first robot in 1921.,Where did Kangkang go last weekend?,He went to the Science Center last week.,Key points,But before that,something like a robot appeared.,类似某物的东西,e.g.这吃起来有点象甜瓜。,It tastes something like melon.,“take the place of”VS“instead of”Robots can take the place
4、 of humans to do hard or boring work in some situations.=They can also do lots of dangerous work instead of humans.=,Key points,They can also take the place of humans to do lots of dangerous work.,Robots can do hard or boring work in some situations instead of humans.,Im sure robots can do some work
5、 faster and better than humans.Are you sure?Yes,Im sure./Yes,quite sure.No,Im not sure.,Key points,The 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 dang
6、erous work instead of humans.,Read 1a again and write down the advantages of robots.,(录音1),1,6,3,2,5,lift parts of trucks,4,Discuss the advantages and disadvantages of robots.Then complete the table.You can add your own opinions.,Group work,1.Robots will make humans lose their jobs.2.Robots can do s
7、ome 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.,Robots will make humans lose their jobs.5.Robots will make humans lazy.,Make a simila
8、r conversation after the example,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”表示“之后”，用于一般将来
9、时。,Discuss in groups.,Imagine the robots in the future.Discuss what kind of functions and shapes we need the robots to have except those we already have nowadays.,Task,Translate the sentences:1.机器人能为我们做什么?2.你确定吗?Make sentences with the following phrases:be sure of/about;be sure that;be sure to do st
10、h.,Do some exercises.,What can robots do for us?,Are you sure?,1.There must be UFOs.We are sure of/about that.2.We are sure that we can win the game next time.3.We are sure to win the game next time.,“take the place of”VS“instead of”Robots can take the place of humans to do hard or boring work in some situations.Im sure robots can do some work faster and better than humans.Are you sure?Yes,Im sure./Yes,quite sure.No,Im not sure.,Summary,Homework,Write a passage about the robots in the future according to the discussion in class.,Thanks for listening!Goodbye!,
