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新外研版高中英语必修3 Book 3 Unit 6
课时教学设计
课时名称 Book 3 Unit 6 Writing
主题语境 人与自然——灾害防范、自然灾害与防范
语篇类型 Safety guidelines
授课时长 一个课时（40分钟）
教学分析
教学内容分析及信息结构图 Writing板块呈现的是与主题相关的飓风安全指南，语言简练，使用了大量祈使句来提供建议，教师需要引导学生对该安全指南进行学习，关注安全指南的结构和语言特点，并进行仿写。通过这一板块的学习，学生能够加深对记叙散文的理解，学习安全指南的文体特点和写法。
学情分析 本单元的主题语境是“人与自然”，涉及的主题语境内容是自然灾害及其防范和应对措施。通过Understanding ideas 和Developing ideas 学生对自然灾害的防范、应对与救援措施已经有了一定的了解，这为安全指南的写作进行了有效的铺垫。但学生对于安全指南的结构和语言特点不是很清楚，需要进一步学习。
课时教学目标 1. 通过完成课本Activity 5, 学生能知道并说出安全指南的结构和语言特点，并复习祈使句的用法。 2. 通过完成课本Activity 6，学生回顾已知的防洪抗灾知识，并在网上搜索更多相关内容，运用本单元所学语言知识，参照Activity 5 的“飓风安全指南”，写一则“防洪安全指南”。
教学重点、难点 1. 引导学生梳理安全指南的篇章结构和语言特点，运用所学词汇和祈使句进行类主题安全指南的写作。 2. 引导学生掌握安全指南的篇章结构和实用表达，思考面对自然灾害时应具备的正确态度和需采用的科学举措。
教学策略 交际教学法、任务型教学法
教学手段 PPT; Multimedia
Teaching Procedure Note: T(老师), Ss(学生), Iw(个人活动), Pw(同桌互动), Gw(小组集体活动), Cw(班级体活动)
Teaching Steps Activity Level Teacher’s Activity Students’ Activity Assessment
Step 1 Iw 1. T invites Ss to recall how dangerous a hurricane is through the given picture. 2. T asks Ss to retell the story by filling the blank. 1. Ss share their impressions of hurricanes with the class. 2. Ss retell the story they have learned by filling the blank. Ss recall what they have learned last lesson and helps them easily learn new knowledge.
设计意图 引导学生回顾课文内容，列举飓风的危害，为“飓风安全指南”的阅读和写作训练做热身。
Step 2 Iw/Gw 1. T guides Ss to read the hurricane safety guidelines and answer the questions: (1) What is the purpose of safety guidelines (2) What type of language is used in safety guidelines 2. T guides Ss to summarize the writing features of proper safety guidelines. 3. T shows Ss a series of useful expressions about writing safety guideline including beginning, body and conclusion. 1.Ss read the hurricane safety guidelines quickly, and answer the questions. Ss are expected to cover the following key points: (1) To increase readers’ chance of surviving a natural disaster. (2) Concise and simple language is used, with many imperative sentences as tips. 2. Ss summarize the writing features of safety guidelines. 3. Ss learn a series of useful expressions about writing safety guideline including beginning, body and conclusion. Read to extract and summarize the writing features of safety guidelines and writing expressions.
设计意图 引导学生梳理安全指南的篇章结构和语言特点，学习相关的实用表达，为下一步写作搭建脚手架。
Step 3 Gw/Iw 1. T asks Ss to discuss in groups and make notes for flood safety guidelines based on the hurricane safety guidelines in Activity 5. 2. T asks Ss to write flood safety guidelines according to the notes, and reminds them to use the useful expressions they have learned in this unit. 1. Ss complete the notes with their own experiences and exchange notes with group members. 2. Ss write their flood safety guidelines according to the notes. Practice safety guidelines writing and apply what they have learned to real situation in a creative way.
设计意图 学生运用所学的实用表达，并根据提纲撰写“防洪安全指南”，教师限定时间，锻炼学生的写作能力，并给予实时指导。
Step 4 Iw 1. T shows some basic criteria of a good writing, demonstrates how to evaluate a writing and invites Ss to add more criteria if necessary. 2. T asks some Ss to show their flood safety guidelines to the class, and invites the rest to make evaluations. Ss present their flood safety guidelines to the class while the rest making evaluations. 1. Arouse Ss’ independence for study. 2. Deepen Ss’ understanding of writing skills. 3. Provide Ss with the opportunity to receive feedback from peers so that they can receive more suggestions and ideas for revisions.
设计意图 让学生充当小老师，可以制定评定标准去评定自己和同学的作文，充分调动学生的自主性，在评定其它同学作文的过程中，能加深学生对写作技巧的理解，激发对英语写作的兴趣。
Step 5 Iw/Gw 1. T shows the sample writing of Flood Safety Guidelines and have a short summary of the writing lesson 2. Homework: polish your writing after class. 1. Ss read the sample safety guidelines together and revise their own works. 2. Homework: polish your writing after class. Ss have a basic and better understanding of writing safety guidelines
设计意图 总结本节课所学，让学生进一步巩固安全指南的篇章结构和语言特点，思考面对自然灾害时应具备的正确态度和需要采用的科学举措。
板书设计
案例解析 本单元的主题语境是“人与自然”，内容是自然灾害以及由自然灾害引起的一系列思考，包括环境保护和面对自然灾害应该持有的积极态度以及科学的应对措施。学生能够围绕本单元主题, 了解自然灾害对人类生活的影响，思考自然灾害的防范和应对措施，并在此基础之上培养面对自然灾害的自我反思意识，收获在灾难面前也要保持乐观积极的生活态度，从而对人与自然的关系有更深入的解读；同时通过各项学习活动锻炼各项语言技能，能够读懂与自然灾害有关的文章，了解记叙文的语篇结构与特点，积累和掌握话题语言，能够使用话题语言描述天气、谈论自然灾害的预测与救援以及进行自然灾害防范指南的写作。因此，本模块是经过前几个模块学习的内化和输出部分，学生第一次接触安全指南写作的文体，所以在讲解语言特点和语言表达的活动中会花费比较多的时间，以至于学生在之后的写作活动中能有效输出；同时，在学生写完部分应该增加展示更多的写作表达和学生写作的常见错误，让学生对安全指南的写作有更深的了解。

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