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2. Role play in front of the class We’ll see which group does the best. For example: What would it be like to live on Mars? Well, there’s less oxygen on Mars. We would need space helmet and air tank. Right, and we would need special boots, too. I agre with you. And we would have to eat dried food. I think dried food is not quite d icious. Yes, but therl be n pollution n Mars. Well, that’s quite nice. What would it be like to live on Mars. Work in pairs and discuss with your partner. Use the conversation on page 51 as a model. Homework 1. Learn the new words and expressions by heart. 2. Preview the article: Moving to Mars 。 When she39。 wear 穿著,戴著;面露;留著(胡須等) When we drove through the gates, she wore a look of amazement. 我們駛過大門時(shí),她流露出驚訝的神情。公轉(zhuǎn)周期: 約 687天 自轉(zhuǎn)周期: 24小時(shí) 37分 22秒 行星直徑: 6794 千米 質(zhì)量: It’s more like the Earth than the other plas in solar system. What’s the life like on Mars? pills on Mars on Earth food