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視頻標簽：on Mars
所屬欄目：高中英語優質課視頻
視頻課題：外研版選擇性必修二Plan B Life on Mars濱州
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外研版選擇性必修二Plan B Life on Mars濱州
Plan B: Life on Mars?
教學設計
本節課選自外研版（2019版）選擇性必修二的Unit 6中的developing ideas板塊，主題語境是“人與自然”，涉及的主題語境內容是生存。語篇類型為雜志文章，介紹了人類生存所面臨的問題以及人類在火星探索方面所做的努力，最后點明現在要做的是愛護我們唯一的家園——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.
設計意圖：通過一個小測驗激發學生對火星的好奇心，自然引入以激發學生的探索興趣。
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.
設計意圖：學生對整篇文章形成總體感悟，掌握文章主旨大意，并對文章類型得到進一步了解。
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.
設計意圖：該教學步驟旨在通過閱讀掌握文章的小細節以幫助深入理解文本，并學習閱讀技巧—合理推斷。
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.
設計意圖：讓學生注意體會文本構成中的段落主題句與細節分析句之間的關系，以幫助詳細理解篇章的主脈絡，利用思維導圖，對生物圈2號實驗有更全面、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 ?
設計意圖：引起學生對移居其他星球（以火星為例）的深入理解，并激發學生的探索精神和弘揚人類為適應環境所作出的努力。
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.
設計意圖：通過訪談節目，給學生展示的機會，幫助學生進一步鞏固文本結構，同時體會到有聲的語音語調在表情達意方面的重要作用。同時，引發學生對環境問題的思考以及對人類未來處境了設想，樹立積極向上的人生態度。提高自己的理解能力和表達能力，最終促進自身語言能力、文化意識、思維品質和學習能力的綜合提升。
VII. Homework
1. Review the whole passage.
2. Find more examples about humans efforts to survive or adapt to the environment.
設計意圖：鞏固和利用本課時所學內容，強化篇章意識，推斷能力以達到提高學生的讀寫技能的最終目的。
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