Unit 6 Period 1 Starting out & Understanding ideas（教学设计）英语外研版2019必修第二册

Unit 6 Earth first Period 1 Starting out & Understanding ideas教学设计 教学基本信息 单元名称 必修第二册Unit 6 Earth first 学科 英语 学段 高中 年级 高一第二学期 主要教材 书名：普通高中教科书·英语必修第二册 出版社：外语教学与研究出版社 出版日期：2019年 课时安排 1课时(45min) 课型 阅读课 教学设计理念 本课时以 “地球优先，保护鲨鱼” 为核心主题，秉持 “认知 - 思辨 - 行动” 的教学逻辑，将环境保护教育与语言学习深度融合。通过视频、文本分析等多元输入活动，引导学生从 “鲨鱼是否危险” 的认知冲突切入，逐步理解人类对鲨鱼的误解及鲨鱼濒危的现状；通过小组讨论、实践输出等活动，培养学生的批判性思维和环保行动力；同时，注重分层任务设计，兼顾不同语言水平学生的学习需求，实现 “语言能力提升与环保意识培养” 的双重目标。 教材分析 【What】本课时核心文本围绕 “鲨鱼：危险还是濒危” 展开，通过分析电影《大白鲨》对公众认知的影响、鲨鱼数量锐减的原因（恐惧导致的捕杀、鱼翅贸易）、作者 Peter Benchley 的态度转变，以及当下人们对鲨鱼保护意识的觉醒，揭示鲨鱼濒危的现状及保护的必要性。配套活动包括环境问题视频导入、文本结构分析、保护措施讨论等。 【Why】通过鲨鱼保护这一具体议题，引导学生反思人类活动对自然的影响，树立 “地球优先” 的环保理念；同时，培养学生辩证看待事物的能力（如区分 “媒体塑造的形象” 与 “事实”），增强社会责任感。 【How】文本采用“提出问题 - 分析问题 - 得出结论”的逻辑结（Question-Analysis-Conclusion），语言兼具说明性（如解释 “鱼翅捕捞” 概念）和议论性（如呼吁保护鲨鱼），包含环保主题核心词汇（如 endangered, finning, extinction），适合作为阅读课素材，帮助学生掌握议论文的文本结构和论证逻辑。 学情分析 1.What I know 词汇与语法方面：已掌握部分基础词汇（如 animal, dangerous, protect），了解一般现在时、过去时的基本用法，但对环保主题词汇（如 endangered, extinction）和复杂句式（如原因状语从句、被动语态）的运用尚不熟练。 背景知识方面：对 “环境保护” 有初步概念（如知道垃圾分类、植树造林），但对鲨鱼的生态作用、鱼翅贸易等具体议题了解有限，易受影视形象影响认为鲨鱼 “危险”。 2.What I want to know 希望了解鲨鱼濒危的具体原因及保护措施；想掌握环保主题的英语表达，能清晰阐述自己的环保观点；好奇如何通过实际行动参与野生动物保护。 3.What I learned 主题内容方面：理解鲨鱼的生态价值及濒危现状，树立 “保护野生动物即保护人类自身” 的意识； 语言知识方面：掌握环保与动物保护相关词汇及议论文的文本结构，能完成简单的环保主题写作。 教学目标 1.语言能力 ①掌握核心词汇（如 endangered, finning, extinction, protect）及句式（如 “due to...”, “It is necessary to...”）； ②能读懂议论文文本，提炼各段落主旨及文章结构（问题 - 分析 - 结论）；能撰写 80 词左右的环保短文，阐述环境问题及解决措施。 2.学习能力 ①学会通过速读抓文本结构、精读析细节的阅读技巧； ②能通过小组讨论梳理观点，提升合作学习与逻辑表达能力。 3.文化意识 ①了解不同群体（公众、专家、政府）在环保中的角色，对比中西方环保实践的共性与差异； ②理解 “人与自然和谐共生” 的全球共识，增强跨文化环保合作意识。 4.思维品质 ①辩证分析 “鲨鱼危险论” 的成因（如媒体影响）与事实（如鲨鱼极少主动攻击人类），培养批判性思维；②通过 “问题 - 措施” 的讨论，提升解决实际问题的逻辑思维与创新思维。 教学重难点 教学重点 ①理解文本结构（问题 - 分析 - 结论）及各段落逻辑关系； ②掌握环保主题核心词汇及 “阐述问题 - 提出措施” 的表达结构。 教学难点 ①理清 “人类认知偏差” 与 “鲨鱼濒危” 之间的因果关系； ②用英语准确、有条理地表达环保观点及具体行动建议。 教学资源 课件PPT，黑板、白板。 教学活动设计 教学过程 活动形式及步骤 活动意图 时间 学习理解 Activity 1 Lead in 1.What alarming facts are mentioned in the video? 2. What does the video want to tell us? 3.What words would you use to describe sharks ? 【答案】 1.deforestation[ˌdi:ˌfɒrɪˈsteɪʃn] species’ extinction ocean pollution shortage of fresh water plastic pollution loss of glaciers [ˈɡlæsiə(r)] 2.Time is running out and the planet needs our help. 3. “dangerous; terrifying; frightening; man-eating” or “endangered; interesting; cute; intelligent” ●通过视频呈现森林砍伐、物种灭绝等环境问题，引发学生对 “地球危机” 的关注；结合 “鲨鱼是否危险” 的提问，制造认知冲突，自然导入文本主题，激活已有词汇（dangerous, endangered）。 3min Activity 2 Pre-reading ①What can you get from the title and picture? ②What is the passage about? 【答案】 A shark fin 鲨鱼鱼鳍 Will sharks be dangerous or endangered animals? ●引导学生通过标题 “Sharks: Dangerous or Endangered?” 和鲨鱼鱼鳍图片预测文本内容，培养 “根据非文字信息推断主旨” 的阅读策略，为深入阅读铺垫。 4min Activity 3 While-reading 1.Fast reading ①Find out the main idea of each paragraph. Para. Main idea Para.1 Para.2 Para.3 Para.4 Para.5 【答案】 Para. Main idea Para.1 Jaws strengthened the idea of sharks as dangerous animals. Para.2 Jaws made people become more scared of sharks and kill them. Para.3 Number of large sharks fell quickly due to fear of sharks and finning. Para.4 Peter found that his book was wrong about sharks. Para.5 More people want to protect sharks now. ②Work out the structure of the passage. 【答案】Question;Analysis;Conclusion 2. Careful reading. 1.Read Para.1 and introduce the film Time: Opening scene: What: Achivement: Effects: 【答案】 Time: in 1975 Opening scene: is pulled, surfaces, cries in fear, disappears What: a shark attacks and kills a swimmer Achivement: awards & audiences Effects: Strengthened the long-held idea 2. Read Para1-2 and answer the questions. (1) How sharks are described in the film Jaws? (2) What was the bad influence of Jaws on people’s behaviours? (3) How do people’s emotions change after watching this movie? 【答案】 (1)Sharks are described in the film as dangerous and bad animals that eat humans. (2) Some people stopped swimming in the sea and others started fishing for sharks, killing as many as they could. (3) People are more frightened of sharks. 3. Read Para3-4 and find out: (1) What was the situation of the sharks after 1975? & Tell the reasons for the situation. (2) Having seen sharks being killed, what changes of Peter Benchley were caused by it? (3) What is finning? (4) Why does finning happen? 【答案】 (1)The number of large sharks fell quickly around America and soon fell around the world. The situation was due to fear of sharks and finning. (2) Peter Benchley fought to protect sharks and he admitted that his book was wrong about sharks’ behaviour. (3) finning: a type of fishing where sharks are caught and their fins cut off. (4)People fin sharks mainly to sell the fins for high profits, as shark fin soup is expensive. 4. Read para. 5 and answer the following question. How does people’s attitude towards sharks change? The change of people’s attitude to sharks At first After the movie Know the fact 【答案】 The change of people’s attitude to sharks At first After the movie Know the fact afraid more frightened want to protect Today, as we learn more about sharks, more people than ever want to protect sharks from extinction. 5. Choose the author’s purpose in writing the passage. A.To criticise Peter Benchley’s misleading description of sharks in his book and advocate the protection of sharks. B. To explain people’s misunderstanding of sharks and raise awareness of shark protection. C. To inform people about sharks and recommend the film and the book to them. 【答案】B ●速读任务： （段落主旨、文本结构）帮助学生建立对文章的整体认知，掌握 “问题 - 分析 - 结论” 的议论文框架； 精读任务： （分析《大白鲨》的影响、鲨鱼数量下降原因、人们态度转变等）引导学生挖掘细节，理解 “认知偏差如何导致鲨鱼濒危” 的逻辑，同时积累核心词汇与句式。 25min Activity 4 Post-reading Try to summarize this passage and complete Activity 4 on Page 64.? 【答案】 as dangerous animals；sharks were bad animals that ate humans；swimming in the sea；fish for sharks；fear of sharks and finning；was wrong about sharks’ behaviour；to protect；sharks do not see people as food understanding sharks；protect sharks from extinction Think and share. 1.As a students what can people do to protect endangered sharks? 【答案】①Learn as much as you can about sharks and educate your friends and family.②Spread awareness on social media. ③Do not use shark products. ④Reduce, Reuse, Recycle What other people can do to protect sharks?How? 【答案】experts：do more research and offer more findings about sharks ...... Governments：set up laws about marine conservation pass laws to stop illegal killing...... People: say no to shark fin soup; develop an awareness of protecting them...... Summary:No trading, no killing! Only when we protect the wildlife can we live in harmony with nature. Please remember, no matter what we do, the earth comes first. ● 填空总结活动帮助学生系统化梳理文本逻辑（从 “恐惧鲨鱼” 到 “保护鲨鱼” 的转变），巩固所学内容； 小组讨论 “不同群体如何保护鲨鱼”，将文本知识迁移到现实情境，培养责任意识与行动力，同时提升英语表达能力。 5min 应用实践 Activity 5 Summary ●帮助学生形成知识闭环。 4min Activity 6 Self-evaluation 展示评价表，供学生对自己本节课中的表现及所学情况进行自我评价. ●通过自我评价，帮助学生了解自己的学习情况，提高学习的积极性。 2min 迁移创新 作业内容 作业设计意图 2min 本节课作业二选一，为分层作业，难度有所区别。基础一般的同学可以选择作业一，基础较好的同学可以选择作业二。 Compulsory(必做) According to your discussion with your partners and write it into a passage of protecting environment. 环境污染问题日益严峻，作为中学生，我们应该为环境保护贡献自己的一份力量，请以“How to Protect the environment”为题写一篇不少于80词的英语短文，就目前环境存在的问题谈谈你的看法和建议。要点包括： 1、目前环境存在的问题； 2、作为中学生应该采取的措施（至少三条）； 3、号召和呼吁大家共同行动。 Optional (选做) Make a poster about protecting sharks or other wild animals. 【参考范文】   Nowadays, there are many environmental problems in the world. Air pollution is the most serious problem, and it results in haze which has a bad influence on our health. People cut down many trees, and it causes desertification that destroys the ecological balance. People throw rubbish everywhere.    We should take some measures to solve these problems. It is necessary for us to go to school by bus or on foot, because it can reduce the waste air. We should plant more trees.    Recycling is good for our planet because it make litter into something that we can use again. Environmental protection is closely related to our daily life. So it is everyone’s responsibility to protect our environment. ●必做任务（写环保短文）强化 “问题 - 措施 - 呼吁” 的写作结构，巩固语言知识； 选做任务（设计海报）鼓励学生发挥创意，将环保意识转化为实践，兼顾不同水平学生的需求。 板书设计 必修二 Unit 6 Earth first Period 1 Starting out & Understanding ideas 教学反思 优点：教学活动紧扣 “环保” 主题，从视频导入到文本分析再到实践讨论，逻辑连贯，能有效引导学生从认知到行动逐步深化对 “鲨鱼保护” 的理解； 缺点：小组讨论时，部分学生因语言能力有限，难以充分表达观点，导致讨论深度不足。 改进：讨论前提供 “表达框架”（如 “I think... because...; We can... by...”），为语言能力较弱的学生提供支架，提升讨论质量。 2 / 2 学科网（北京）股份有限公司 $