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课件网) Unit 4 Space Exploration Learning aims 1. To read quickly to get main idea; read carefully to get the detailed information. 2. To master the structure and language features of an argumentative essay. 3. To learn to write your opinion about space exploration. 4. To know the value of space exploration. What do you expect from space exploration in 2050 I expect to do... I expect that... … So far, Russia and the USA have already helped many people realize their dream for space travel, varying from the astronauts to the ordinary people. Would you travel to space if you had a chance Why I’d love to, since... I’m dying for it, because... ... It’s not a priority for me, because... It’s amazing, but... ... Is exploring space a waste of time and money What kind of passage is it A. A narration. B. An argumentative essay. C. An exposition. D. A novel. B Pre-reading Read the first paragraph and underline the different opinions about space exploration. different opinions Read for organization and features Q: Which sentence is the thesis statement (论文观点) However Structure However General Particular General Firstly Secondly Finally In closing Thesis statement (论文观点) Argument1 Firstly, ... Argument 2 Secondly , ... Argument 3 Finally , ... Conclusion In closing, ... Tip2 表示递进关系的过渡词：what’s more, as well, moreover, besides, furthermore, in addition, what’s worse , apart from that etc. Tip3 表示总结的过渡词：on the whole, in a word, to sum up, in short, in conclusion, in brief, from what I have said above etc. Structure Read for organization and features Main idea of para 1 & para 5 Structure Para 1: However, others feel this is a shallow view which fails to realize how exploring space helps us. Para 5: In closing, exploring space provides the world with many different benefits. However Firstly Secondly Finally In closing Tip4: In conclusion, the writer repeats his opinion. Read for organization and features Then the data _____ scientists on Earth. 1. How does exploring space help to fight against world hunger 2. What transitional words are used here to show the reasoning process It has directly _____ the many satellites that now orbit Earth. resulted in A number of the satellites record data on land and _____. weather patterns After careful analysis, the scientists can provide useful _____ _____ As a result, space-based science _____ in its efforts to grow _____ to feed Earth' s increasing population. is transmitted to recommendations has helped farming enough food and advice for farmers reasoning in time order The value of space exploration. National security and defense Technological innovation Economic development Monitoring of the environment Space mutation(诱变) breeding Beidou Navigation Satellite System … Educational and cultural influence Philosophical questions who we are, where we came from, and where we are going Improvements in agriculture Exlpoitation(开发) of r ... ...
