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视频标签：on Mars
所属栏目：高中英语优质课视频
视频课题：外研版选择性必修二Plan B Life on Mars滨州
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外研版选择性必修二Plan B Life on Mars滨州
Plan B: Life on Mars?
教学设计
本节课选自外研版（2019版）选择性必修二的Unit 6中的developing ideas板块，主题语境是“人与自然”，涉及的主题语境内容是生存。语篇类型为杂志文章，介绍了人类生存所面临的问题以及人类在火星探索方面所做的努力，最后点明现在要做的是爱护我们唯一的家园——地球。
Teaching objectives
1. Understand the text and learn the problems humans are facing and our plans for the future.
2. Complete the corresponding activities and learn to infer more messages from the given text to strengthen the understanding of the text.
3. Deepen the understanding of the subject---survival, understand the importance of protecting the Earth and promote humans spirit of exploration and adaptability.
Key points in teaching:
to help students to understand the text and learn about humans efforts of Martian exploration; to grasp words and expressions about Martian exploration; to develop scientific spirit and sense of exploration.
Difficult points in teaching:
to help students to learn the basic knowledge of Mars and write survival experience.
Teaching procedures
I. Leading in
1. Teacher introduces Mars briefly using pictures or video.
2. Teacher asks students to choose the correct answer for each sentence.
3. Teacher checks answers.
设计意图：通过一个小测验激发学生对火星的好奇心，自然引入以激发学生的探索兴趣。
II. Answering
1. Teacher asks students to read the whole passage and answer the following question -- why humans might live on Mars.
2. Teacher asks students to say something about the four magazines and choose the right magazine.
设计意图：学生对整篇文章形成总体感悟，掌握文章主旨大意，并对文章类型得到进一步了解。
III. Inferring
1. Teacher asks students to read the seven statements.
2. Teacher asks students to work in pairs and choose the statements which can be inferred from the passage.
3. Teacher asks students to check their answers.
4. Teacher lets students learn the content of Learning to learn.
Practicing
Teacher asks students to practice more about the skill of inference after class.
设计意图：该教学步骤旨在通过阅读掌握文章的小细节以帮助深入理解文本，并学习阅读技巧—合理推断。
IV. Mind mapping
1. Teacher asks students about the Biosphere 2 experiment.
2. Teacher asks students to Read the second half of paragraph 4 and complete the mind map.
设计意图：让学生注意体会文本构成中的段落主题句与细节分析句之间的关系，以帮助详细理解篇章的主脉络，利用思维导图，对生物圈2号实验有更全面、深入的理解。
V. Thinking and sharing
Teacher asks students to discuss the following questions and give their answers.
1. Would you like to be one of the first people to live on Mars?
Why or why not?
2. Can you think of a “Plan C” to save people from the problems on Earth ?
设计意图：引起学生对移居其他星球（以火星为例）的深入理解，并激发学生的探索精神和弘扬人类为适应环境所作出的努力。
VI. Interviewing
1.Teacher asks students to work in pairs and make preparations for the interview.
2.Teacher asks students to think of more questions and fill them in the chart.
3.Teacher asks students to do the interview in pairs.
4.Teacher invites some pairs to act out their interviews and makes comments.
5. Teacher asks for the best interview.
设计意图：通过访谈节目，给学生展示的机会，帮助学生进一步巩固文本结构，同时体会到有声的语音语调在表情达意方面的重要作用。同时，引发学生对环境问题的思考以及对人类未来处境了设想，树立积极向上的人生态度。提高自己的理解能力和表达能力，最终促进自身语言能力、文化意识、思维品质和学习能力的综合提升。
VII. Homework
1. Review the whole passage.
2. Find more examples about humans efforts to survive or adapt to the environment.
设计意图：巩固和利用本课时所学内容，强化篇章意识，推断能力以达到提高学生的读写技能的最终目的。
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