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课件网) Unit 4 Space Exploration Reading for Writing 行业PPT模板http:///hangye/ 教学目的 1.learn about the pros and cons of space exploration; 2.present an argument about space exploration while writing; 3.practice the critical thinking ability through discussing; 4.write an argumentative passage by using the structure and the useful expressions in the reading material. Exploring Mars video time BEFORE YOU WATCH 1.What do you know about Mars *It is the nearest neighboring planet of the Earth. *It has the largest volcano in the solar system. *It has an atmosphere which is made up mostly of carbon dioxide. 2. How do people explore Mars *By launching the Mars probe. 二氧化碳 火星探测器 Before you watch the orbiter the lander the rover Earth-Mars transfer orbit discard protective shield 轨道器 着陆器 巡游车 地球-火星转移轨道 v.弃置、抛弃 防护罩 Mars probe consists of three parts: BEFORE YOU WATCH Before you watch While you watch Watch and decide whether the statements are true (T) or false (F). Check answers 1. Mars is the fourth planet from the Sun and the smallest planet in the solar system. 2. It is one of the few planets that we can see with the naked eye. 3. Like Earth, Mars has volcanoes, valleys, polar ice caps, seasons, and weather. 4. Olympus Mons, the largest volcano on Mars, is about twice as high as Mount Qomolangma. F T the second smallest T F three times While you watch Why do we explore space Is exploring space a waste of time and money What is your idea and why Fast Reading Look and think What will the author write in this passage Space exploration. 1. What’s the genre of this passage 2. How many parts can this passage be divided into 3. What does each part talk about (Use one word to summarize.) Read for the structure Part 1 Part 2 Part 3 An argumentative essay. Three Body Conclusion General Introduction Paragraph 1 Paragraph 2 Paragraph 3 Paragraph 4 Paragraph 5 Specific General Argumentative essays seek to state a position on an issue and give several reasons supported by evidence to defend that position. Main idea for each paragraph Para1 Para2 Para3 Para4 Para5 Firstly, exploring space has already made a difference in the fight against world hunger. Secondly, space exploration has already promoted technological improvements that benefit us all. Finally, sending astronauts into space has helped people to think about the world's problems and even to find ways to solve them. Some people argue that we should stop.... However, others feel this is a shallow view... In closing, exploring space provides the world with many different benefits. Read for structure Which is the structure of the passage Read for structure A B C D ( : paragraph1) Introduction Main body Main body Main body Conclusion General Specific General Read for structure Oganisation of an argumentative essay Read for structure Read for details Countries around the globe are spending billions of dollars and lots of ... ...
