高中英语Unit 4 Space Exploration备课ppt课件

这是一份高中英语Unit 4 Space Exploration备课ppt课件，共4页。
Unit 4 Space ExplorationReading for Writing 【学习目标】1. Read quickly to get main idea; read carefully to get the detailed information.2. Learn the characteristics or structures of argumentative essay.3. Learn to write an argumentative essay.4. Learn to correct others’ writing.【学习重难点】Learn the characteristics or structures of argumentative essay.Learn to write an argumentative essay.【学习过程】Step 1 Lead in—Small talkSpace exploration has a great many of benefits, but 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 to be solved like hunger and diseases, why not spend more money and effort on them? What is your idea and why?  Step 2 While reading—Task 11. Find the topic sentence of each paragraph.Para 1  _____________________________________________Para 2  _____________________________________________Para 3  _____________________________________________Para 4  _____________________________________________Para 5  _____________________________________________2. The main idea of the passage is about _______________________________________Step 3 While reading—Task 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 the picture of Earth from space make people realize? Q4: What’s the author’s attitude to exploring space? Step 4 Post reading—summary             Step 5 Before writing—words and phrasesTranslate.①________________________发射卫星②________________________收集数据③________________________探索太空④________________________有很大影响⑤________________________导致⑥________________________从中受益⑦________________________先进的技术⑧________________________满足要求⑨________________________改变我们的生活⑩________________________有限的资源⑪________________________靠近；接近⑫________________________提供生活所需⑬________________________促进技术改进⑭________________________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 writing—the outlineParagraph 1：________________________________________________Paragraph 2：________________________________________________Paragraph 3：________________________________________________Paragraph 4：________________________________________________Step 8 While writing—words and phrases①________________________举行热烈的讨论②________________________值得做③________________________持有不同的观点④________________________离……很远⑤________________________被用来做……⑥________________________从……受益良多⑦________________________ n．交际⑧________________________天气预报⑨________________________能源短缺⑩________________________在我看来Step 9 While writing—make sentences①用于太空探索的资金可以用来解决地球的饥饿和污染等问题。（过去分词作定语） ②30%的同学认为不值得探索。 ③他们认为太空探索离我们及我们的日常生活太遥远并且浪费金钱。 ④70%的人认为太空值得探索，因为我们从中受益匪浅。（because） ⑤总有一天，我们可以搬到其他星球去解决人口问题。（by doing） ⑥太空研究将使我们能够找到新的能源来解决地球上的能源短缺问题。（不定式作目的状语） ⑦在我看来，探索太空是值得的。 Step 10 Writing—draft       Step 11 Pair workExchange drafts with a partner. Use this checklist to help your partner revise his/ her draft.√ Does the introduction state the topic?√ Does the introduction express different opinions about the topic?√ Does the body give arguments with suitable supporting information?√ Does the closing express the writer's opinion and end properly?√ Are there any grammar, spelling, or punctuation errors?Step 12 HomeworkPut up your revised draft in the classroom or read it to your class.