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2. New structures: Food would most probably in the form of pills and would not be so tasty.
The gravity on Mars is only about three-eighths of that on the Earth.
Compared with life on the Earth, people would have more space.
三、Teaching important and difficult points
1. Learn about what life would be like on another planet in the future.
2. Talk about the advantages and disadvantages of living on Mars and Earth.
四、Teaching aids: PPT、Multimedia.
IV. Teaching procedures
Step 1 Pre-reading
1. Free talk
T: Do you know where we live in the space?
S: …
T:Which is the nearest neighbour for us in the space
T: Mars is the nearest to the Earth. The surface of Mars is a little like the surface of the Earth.
【设计意图：激活学生的背景知识，为导入火星上的生活做好铺垫。】
2. Predicting
Brainstorming：Imagine what life will be like on Mars.
T: What will life be like on Mars?
S: …
Food clothes
Transport Life on Mars home
… school
T: You have wonderful imagination. Daniel wants to find out more about life in space in the future too. Look, he has found an article by a famous scientist who thinks humans could live on Mars by the next century. Do you want to read it?
【设计意图：在阅读文本前，充分发挥学生的想象，激发学生的阅读兴趣，引导学生对文本内容进行预测和思考，读前有效的预测能使学生成为积极的阅读者。】
Step 2 While-reading
1. Task One: Skim the text and get the main idea of the text
Divide the text into four parts and get the main idea of each part.
Part 1 Para 1 Problems on Earth
Part 2 Paras 2-4 Life on Mars in some ways
Part 3 Paras 5-6 Advantages of life on Mars