Unit 5 A Delicate World Vocabulary and listening 第3课时学历案-2023-2024学年高中英语外研版（2019）选择性必修第二册

枣庄三中实验高中校区高二年级上学期英语学历案 编写教师：枣庄市实验高中英语统筹组长周敏 使用日期：2023.11 选必二 　Unit 5 A Delicate World （第3课时） Vocabulary and listening 自主学习【学】 【课标要求】 1. 本单元的主题语境是“人与自然”，涉及的主题语境内容是保护我们脆弱的星球。。 2. 本课时围绕主题语境提供的语篇类型是对话。 【学习目标】 1. 听懂并把握听力材料的核心思想和细节信息； 2. 使用所学语言描述某一生物的消失可能给人类带来的灾难性影响；； 【自学评价】 · · 重点词组 1. 2. look at the diagram _____________ 3. expressions in bold _____________ 4. dissolve nutrients _____________ 5. absorb light _____________ 6. rely on vegetation _____________ 7. provide energy _____________ 8. feed on _____________ 9. prey on _____________ 10. as well as _____________ 11. break down _____________ 12. food chain _____________ 13. living things _____________ 14. in existence _____________ 15. compensate for _____________ 16. according to statistics _____________ 17. a nature documentary _____________ 18. check out _____________ 19. in that case _____________ 师生研学【研】 【学习过程】 Step 1 Vocabulary Learn the expressions in activity 5 and complete the passage with the correct forms of them in activity 6. Step 2 Listening Pre-listening Read the information in “Did You Know” to get some background information of honey bees. While-listening Listen to the conversation and finish activity 7 and 8. Post-listening Work in pairs and talk about what would happen to the ecosystem if another species died out. · Listening material Meg: Hey Ollie, have you heard that the bee population is declining? Ollie: No, I haven’t. But, thinking about it, I hardly ever see bees these days. When I was little, they seemed to be everywhere! Meg: If bees die out, humans will die out too. Ollie: What? You must be kidding! I don’t believe it! Meg: It's a fact!! I watched a nature documentary all about it the other evening. Bees are very important to our food supply. Ollie: How can that be possible? Humans won't die out just because there's no honey! Meg: Bees don't just make honey. Don't forg