Unit 1 Nature in the balance Reading II 教学设计-2023-2024学年高中英语译林版（2020）必修第三册

Unit 1 Nature in the balance Reading (II) · 内容分析： 本单元的主题语境是“人与自然”，话题是“环境与环境保护”，Reading板块的语篇类型是纪录片脚本，内容围绕亚马孙雨林展开，包括亚马孙雨林的基本信息、动植物资源、生物多样性、对地球的重要作用，以及所面临的危险等多方面的信息。通过这一系列的介绍和阐述，引发学生的思考：亚马孙雨林对人类如此重要，人类是否可以承担起损害“地球之肺”的后果？由此让学生树立环保意识。 · 教学目标： By the end of this section, students will be able to: 1. summarize the basic information about the Amazon rainforest; 2. evaluate the importance of the Amazon rainforest and the dangers it is facing; 3. learn and understand the new words and expressions in the text. · 教学重难点： 1. Understand some new words and expressions. 2. Be able to use the new words and expressions correctly. · 教学过程： Step 1 Lead-in Read and underline the following key words and expressions. Step 2 Building vocabulary 1. Word study: alive Introduce the meaning of “alive” through different situations, first the context of the speech and then other situations. · Make a difference among alive, living, live and lively. · Exercises of alive: Practice makes perfect. 2. Phrase study: play a significant role Introduce the meaning of “play a significant role” together with some similar expressions. 3. Phrase study: half the size of · Introduce the meaning of “half the size of” together with some similar expressions. · Learn to describe multiples using different structures. 4. Word and phrase study: roughly speaking Introduce the meaning of “rough” and “roughly” through different situations, first the context of the speech and then other situations. 5. Word study: biodiversity Introduce the meaning of “biodiversity” through different situations, first the context of the speech and then other situations. · Exercises of awaken: Practice makes perfect. 6. Word study: unbelievable Introduce the meaning of “unbelievable” through different situations, first the context of the speech and then other situations. · Exercises of permanence: Practice makes perfect. 7. Word study: tower Introduce the meaning of “tower” through different situations, first the context of the speech