《八上U4T2SA (2).ppt》由会员分享，可在线阅读，更多相关《八上U4T2SA (2).ppt（20页珍藏版）》请在三一文库上搜索。
1、Unit 4 Our WorldTopic 2 Are you sure there are UFOs? Section A,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 can take
2、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 appear?),Sci
3、entists 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 of h
4、umans 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 fast
5、er 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 da
6、ngerous 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 ca
7、n 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.,Robots will make humans lose their jobs.5. Robots will make humans lazy.,
8、Make a similar 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 ,G
9、roup work,“in + 一段时间”表示“之后”，用于一般将来时。,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/a
10、bout; be sure that; be sure to do sth.,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 plac
11、e 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!,