仁爱八年级英语上册精品课件U4T2SA.ppt

仁爱版八年级英语上册 Unit 4 Our WorldTopic 2 Are you sure there are UFOs? Section A  Unit 4 Our WorldTopic 2 Are you sure there are UFOs? Section A  What’s this?It’s a _____. robot What did he do? He was a ________. scientist A: What can robots do for us? B: They can … I am sure robots can take the place of humans to do hard 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?) Scientists invented the first robot in 1921. Key points But before that, something like a robot appeared. Key points “take the place of” VS “instead of” Robots can take the place of humans to do hard or boring work in some situations. = They can also do lots of dangerous work instead of humans. = Key points I’m sure robots can do some work faster and better than humans. Are you sure? Yes, I’m sure. / Yes, quite sure. No, I’m not sure. The advantages of robots: Discuss the advantages and disadvantages of robots. Then complete the table. You can add your own opinions. Make a similar conversation after the example, using the information above. A: Are you sure…? B: Yes, I’m sure. / No, I’m 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, I’m sure. / No, I’m not sure. A: What will it do if you have one? B: It will … 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. Translate the sentences: 1.机器人能为我们做什么? 2.你确定吗? Make sentence with the following phrases: be sure of/about; be sure that; be sure to do sth. Summary “take the place of” VS “instead of” Robots can take the place of humans to do hard or boring work in some situations. I’m sure robots can do some work faster and bette