[八年级英语]英语小组合作学习课件4.2.A.ppt

Pre-task 1 Free talk根据上个话题所学语言，表演对话。 Unit 4 Our WorldTopic 2 I’m not sure if there are UFOs Section A Learning aims and demands 1. Learn the new words and phrases: 2. Learn some useful sentences: (1)What can robots do for us? (2)Robots can take the place of humans to do hard or boring work in some situations. (3)They can also do lots of dangerous work instead of humans. 3. Learn how to express certainty and uncertainty: (1)I’m sure robots can do some work faster and better than humans. (2)—Are you sure? —Yes, quite sure. (3)—Do you think you will have a robot in 20 years? —Yes, I’m sure. / No, I’m not sure. Task 1 Work aloneRead and find out the new words in the text. robot scientist appear take the place of situation repair machine truck mend n.机器人 n.科学家 v.出现 取代，代替 n.情况，形势 v.n.修理，修补 n.机器，机械，装置 n.卡车，运货车；车皮 n.修理，修补 What did Edison do? He was a ________. scientist What’s this?It’s a _________. robot Who invented the first robot? I’m not sure. Are you sure robots can do a lot of work for us? Yes, I’m sure./Yes, quite sure. No, I’m not sure. What can robots do for us? A: What can robots do for us? B: They can … 2. When did scientists invent the first robot?(When did the first robot appear?) Scientists invented the first robot in 1921. The advantages of robots: Read 1a in pairs, and then act it out according to the key words. the Science Center invent appear take the place of, hard or boring, in some situations dangerous, instead of I’m sure … 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. Work in groups and find out the key points. key points Ⅰ.根据汉语或首字母提示完成句子。 1. As we know, Edison and Newton were both famous s__________. 2. The machines in this factory are broken. Robots can r________ them. 3. Gao Fei didn’t a________ at the party. We didn’t know where he was. 4. Robots can