Unit 4 Workbook Reading and Writing Homes on Mars 课件-2022-2023学年高中英语人教版（2019）必修第三册

Book3 Unit 4 Workbook Homes on Mars? Reading and Writing Can we build homes on Mars? Why? How? Let’s learn more about it from the text on page 82. What is the girl trying to do? What is the girl trying to do? Alyssa Carson “The Martian Girl” Do you think it’s possible? What does “terraform” mean? Terraforming means changing the environment on a planet so that it is similar to Earth. OK，today we are going to learn more about the possibility of humans living on Mars. Please turn to page 82. Before reading, let’s take a look at the title and the picture. （板书标题）With such a title and the picture， can you guess: what is the text about? (叫一组6人轮流快速回答) Well, as we can see, at the bottom of the picture, there are three words: Humans Terraform Mars(板书terraform?) What does terraform mean here? (叫另一组6人按顺序快速回答) All of you are good at guessing. Let’s read para 2 to check it. Please go through para 2 and find out the meaning of terraform. Let’s see what scientists think of the idea of humans living on Mars. Please read para 1 to find it out. 稿4（10班）：没有热起来，限制于问个别学生（后面的groupwork才慢慢热起来） (只提问terraform，没有针对标题让学生猜测文章内容) 改进：快速地在一组内按顺序叫下去，把气氛起来。后面的活动中的提问也不要一连3个问题都问一个学生，学生紧张，答不出，可以一排叫过去，逐一回答（小鸥） Some of the world's most important scientists think the idea of people living on Mars will come true one day. Stephen Hawking believed humans must move into space to survive. "Once we spread out into space and establish independent colonies, our future should be safe, " he said. Robert Zubrin, a rocket scientist, agrees and thinks starting with Mars makes the most sense. He thinks sending people to Mars will allow us to learn a lot--for example, about the ability of humans to live in a very different environment. What do scientists think of the idea of people living on Mars? Scientists think it will come true one day. Para 1 c Scientists’ opinions of living on Mars Topic sentence ? Topic sentence ! =is the most logical and practical c 叫一组学生6人顺序回答 学生回答：scientists...come true... How