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课件网) Unit 4 Space Exploration Reading for Writing is exploring space a waste of time and money By the end of this class, you will be able to Learn whether it is worthwhile to explore space. Understand the basic structure and language features of the argumentative essay. Write and argumentative essay with clear argument and solid evidence. Learning Objectives Lead-in The R&D cost of the Beidou Satellite Navigation System is about 12 billion US dollars. Is it a waste of time and money Is it a waste of time and money Hunger Disease Poverty Pollution Yes No Space achievements Let’s read the argumentative essay about space exploration. Reading What is the genre of this article An argumentation A narration An exposition A novel What is the issue _____ Is space exploration a waste or not Let’s read the argumentative essay about space exploration. Reading What’s the structure of the argumentation 1 2 3 4 5 总：提出论点 Introduction 分：三个分论点 Main body 总：结束论述 Conclusion Reading Find the topic sentences of each paragraph. Para 1 _____ Para 2 _____ Para 3 _____ Para 4 _____ Para 5 _____ Some people argue that we should stop wasting time and money exploring space. … However, others feel … fails to… Firstly, exploring space has already made a difference in the fight against world hunger. Second, 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. In closing, exploring space provides the world with many different benefits. Some people argue that we should stop wasting time and money exploring space. … However, others feel this is a shallow view which fails to realise how exploring space helps us. 1 总：Introduction of the argumentation Introduce the topic (different opinions) State your opinion 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. 2 3 4 分：Main body argument benefits Activity 2 Explore the content(Para3) examples high-end products Topic sentence How does the writer explain technological improvements By listing examples of high-end products new material heart monitors other machines everyday products(memory foam pillows and smartphone cameras) Activity 2 Explore the content(Para4) Topic sentence Problems？ solution？ limited resources increasing population find other planets details Activity 2 Explore the content To begin with, First of all,... Besides, Moreover, Furthermore, In addition... Activity 2 Explore the content In a word, To sum up, In short, In brief,..... benefits continue Thus, Consequently,..... Activity 3 Explore the summary satelli ... ...
