Unit 4 Our WorldTopic 2 I’m not sure if there are UFOs. Section A 泉口镇初级中学胡亚琴 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 … Look and say save people in danger repair machines lift parts of trucks carry heavy things mend roads catch fishes Robots 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? 1a Look, listen and say When did scientists invent the first robot?(when did the first robot appear?) 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 . 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 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. 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. Key points
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