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1、Unit 4 Space Exploration Reading for Writing【教材分析】The topic of this part is “Present an argument about space exploration”.This section is about an argument about introducing different benefits of exploring space. Argumentative essays have a stable structure. The first paragraph always presents a cer
2、tain phenomenon or topic. The body always has the structure of putting up with the supportive or opposing views and their reasons or specific cases. The end always draws a conclusion. In the first paragraph, the author put forward the discussed topicthe benefits of exploring space. In paragraph 2 to
3、 paragraph 4, he or she gave 3 pieces of supportive opinions and the reasons or the specific cases. In paragraph 5, we can come to the conclusionexploring space provides the world with many different benefits.Therefore, students should be guided to learn the structure and write an essay like this af
4、ter reading the argumentative essay. But before doing this, students should understand the main ideas about the article and find the topic sentences of each paragraph.【教学目标】1. Read quickly to get the main idea; read carefully to get the detailed information.2. Learn the characteristics or structures
5、 of argumentative essays.3. Learn to write an argumentative essay.4. Learn to correct others writing.【教学重难点】1. Learn the characteristics or structures of argumentative essays.2. Learn to write an argumentative essay.【教学过程】Step 1 Lead inSmall talkSpace exploration has a great number of benefits, but
6、there are also great risks and a large amount of money to spend. So some people support space exploration because they think it has brought a lot of benefits to humans. But on the other hand, some people think there are a lot of questions to be solved like hunger and diseases. Why dont we spend more
7、 money and effort on them? What is your idea and why?I think we should be in favor of it because a lot of space technologies have already provided service for us common people, like GPS.I think we should stop it because we need more money and effort to help the poor, the disabled. Whats worse, there
8、 are a lot of risks in space exploration, like the Challenger accident.Step 2 While readingTask 11. Find the topic sentence of each paragraph.Para 1Present an argument whether exploration space is a waste of time and money.Para 2Exploring space has contributed great to the fight against world hunger
9、.Para 3Space exploration has already promoted technological improvement.Para 4Sending astronauts into space has furthered understanding of the worlds problems and figuring out ways to solve them.Para 5Draw a conclusion that exploring space is of great benefit, so we should continue.2. The main idea
10、of the passage is about an argument about introducing different benefits of exploring space. Step 3 While readingTask 2Read the text and answer the following questions.Q1: Why are some people against space exploration according to the passage?Q2: What are the benefits of exploring space?Q3: What did
11、 the picture of Earth from space make people realise?Q4: Whats the authors attitude to exploring space?Different opinions about space explorationSome people argue that we should stop exploring, while others feel this is a 1._ view.l2. : mild all year round.Step 4 Post readingSummaryDifferent benefit
12、s of exploring spaceIt has 2. _ in the fight against world hunger.It has 3. _ technological improvements.It helps people 4. _the worlds problems.Draw a conclusionExploring space should 5._.Answers: 1. shallow2. made a difference3. promoted4. think about5. continueStep 5 Before writingWords and phras
13、esTranslate the phrases from the text.launch a satellite发射卫星collect data收集数据explore space探索太空make a difference有很大影响result in导致benefit from从中受益advanced technology先进的技术meet the requirements满足要求change our lives改变我们的生活limited resources有限的资源be close to靠近；接近provide for提供生活所需promote technological improveme
14、nt促进技术改进provide solutions to problems提供解决问题的办法Step 6 While writing最近，你班同学就“太空探索是否值得”这一话题展开了一场讨论。请你根据下表提供的信息，用英语写一篇短文介绍讨论的情况，并谈谈自己的看法。30%的同学认为：70%的同学认为：1.不值得探索2.离我们及我们的日常生活太遥远3.浪费金钱。这些金钱本可用来解决地球上的饥饿、污染等问题1.值得探索2.已使用卫星进行通讯传播、天气预报3.有望解决地球人口问题、地球能源短缺问题Step 7 While writingthe outlineParagraph 1：Recently,
15、 students in our class have had a discussion on whether space is worth exploring.Paragraph 2：30% of us think space exploration is not worthwhile.Paragraph 3：On the other hand, 70% think space is worth exploring. Paragraph 4：As far as I am concerned, it is worthwhile to explore the space.Step 8 While writingwords and phraseshave a heated discussion 举行热烈的讨论be worth doing 值得做hold different ideas 持有不同的观点be far away from 离很远be used to do 被用来做benefit a lot from. 从受益良多communication n交际weather forecast 天气预报energy shorta
