Unit 6 Survival Developing ideas 课件-2025-2026学年高中英语外研版选择性必修第二册

Book 5 Unit 6 Survival Developing ideas What is the meaning of “Plan B”? Lead in What is your “Plan B” if you could not be admitted by your dream university ? What is our “Plan B” if the earth would not be suitable for living any more? another choice /alternative(n.) Lead in Predict and share Do you think human beings can live on Mars in the future?And why? What may the passage talk about? Look at the title and pictures in the book and answer the questions. Read and answer Skim the passage, answer the following questions and share your ideas in groups. Why might humans live on Mars? What's the main idea of each paragraph? How many parts can this passage be divided into? Para 1 the introduction of the topic Para 2 possibilities of living on Mars Para 3 explorations of Mars Para 4 challenges of living on Mars Para 5 the author’s conclusion Part I Part II Part III Choose the magazine in which you would most likely find the passage and give your reasons.（P92 A3） Think and Choose Clues: By reading the passage, we know that today environmental problems have taken over as the greatest risk to life on Earth (paragraph 1). Scientific research shows that the planet Earth is getting warmer (paragraph 5). Choose and share Choose the statements that can be inferred from the passage.（P92 A4） v.推断 基于一定知识的猜测 Now work in pairs and find evidence to support your choices. Read and choose Choose the statements that can be inferred from the passage.（P92 A4） not mentioned Para. 3 Read and choose Choose the statements that can be inferred from the passage.（P92 A4） not mentioned Para. 3 Para. 4 What does “that” refer to？ 4 Read and choose Choose the statements that can be inferred from the passage.（P92 A4） not mentioned Para. 3 Para. 4 Para. 1 Read and choose Choose the statements that can be inferred from the passage.（P92 A4） not mentioned Para. 3 Para. 4 Para. 1 Para. 2 Read and choose Choose the statements that can be inferred from the passage.（P92 A4） not mentioned Para. 3 Para. 4 Para. 1 Para. 2 Para. 1 Read and choose Choose the statements that can be inferred from the passage.（P92 A4） not mentioned Para. 3 Para. 4 Para. 1 Para. 2 Para. 1 Para. 4 Read para 1 and answer the question: Q1. Why should we have Plan B for Earth? fears ________________ ________________ solutions Plan A: ______________________ Ways to lower the risk: renewable energy Plan B: ______________________ Find a new home outside Earth nuclear missiles (past) environmental problems (now) Read and answer ______________________________________ Q2. Why does the author mention the film The Martian? To demonstrate that Martian exploration has _____________ people around the world. Q3. What efforts are we making? To educate the public on the Red Planet the Mars Village ______________________________________ ... Let’s read on! the Mars Desert Research Station Read para 2 and answer the question: Read and answer fascinated Q4. How have human beings explored the Mars? sending unmanned spacecraft to Mars Probes--orbiting the planet Robots--Exploring its surface planning manned missions to Mars Read para 3 and answer the question: Read and answer Q5. What are the challenges of moving to Mars? Q6. What did the Biosphere 2 experiment prove and achieve? Read para 4 and answer the question: Read and answer solar radiation 1 2 3 4 It provided us with a better understanding of how humans might be able to live on another planet. Q6. What did the Biosphere 2 experiment prove and achieve? It proved that it is not possible to live in a closed environment for long. Q7. What’s the author’s purpose in writing the passage? The author’s purpose is to raise public awareness of environmental protection by pointing out the tiny possibility of our moving to Mars in the future. Read para 5 and answer the question: Read and answer Think Share Choose one topic to discuss in groups of four. Topic1. Would you like to be one of the first people to live on Mars? Why or why not? Topic2. Which is better, to live on Mars or to solve Earth’s problems? Why? Think and answer Think Share Brainstorm: Can you think of a “Plan C” to save people from the problems on Earth? Share it with the class. Think and answer Language points 高级生命体 彻底摧毁，消灭 2．核导弹 3．按一下按钮；轻易地 5．降低这种风险 6．用……取代/代替…… 7．可再生能源 8．做好最坏的打算 9．恶劣的环境 10．在全世界范围内受欢迎 11. 在某事上对某人予以教育 hostile environment 无人飞船 绕星球轨道运行 令人惊叹的图像 搜索，搜寻 航天局 载人任务 举行；发生 被...所吸引 太阳辐射 即使；尽管 由…组成 被设计来做某事 对……的更好的理解 成功做某事 各种各样的 与……类似 向前的一大步 在此期间，与此同时 对……有影响 更好地照顾… Lavf57.71.100 Packed by Bilibili XCoder v2.0.2 $