Unit 1 Nature in the balance Reading 课件-2023-2024学年高中英语牛津译林版(2020)必修第三册

牛津译林版高中英语必修三课件 Unit 1 Nature in the balance Reading The Amazon [ˈæməzən] rainforest : a natural treasure 制作者：桂东一中　李宇平 ◆  内容分析 【What】本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。 【Why】本板块的语篇通过对亚马孙雨林的相关介绍，认识亚马孙雨林对于保持地球生态平衡的重要性；引导学生思考，损害“地球之肺”的后果人类能否承担，由此树立环保意识。 【How】本板块的语篇结构完整、条理清晰。 第一段：开门见山，点出了文章的主题：亚马孙雨林。 第二段：介绍了亚马孙雨林的基本信息。 第三段：重点介绍了雨林中的植物和雨林分层。 第四段：介绍了雨林中的动物及食物链。 第五段：讲述了“地球之肺”的作用以及面临的危险。 本文本质上属于说明文，具备这种文本类型的主要特点：内容科学、结构严谨、语言严密准确。常见的说明方法如举例子、分类别、作比较、列数字等，在本文中均有体现。教学中要注意引导学生分析语篇特征，实现深度学习。 ◆  教学目标 By the end of this section, we will be able to: 1. summarize the basic information about the Amazon rainforest; 2. master the technique of “making comparisons” which helps readers understand a large figure; 3. evaluate the importance of the Amazon rainforest and the dangers it is facing. A.学习理解 1. The world we live in is full of natural wonders. The documentary script below describes the Amazon rainforest, which is home to(生息地；栖息地；产地) a wide range of wildlife. Before you read the script, think about the following questions: (1) What plants or animals do you know about? What is special about them? Sloths [sləʊθ; 美 sloʊθ](树懒) are one of the slowest creatures on the Earth. They live hanging upside down (颠倒；倒转；翻转) in rainforest trees. Modern sloths are smaller than the extinct giant sloths which were as big as elephants and lived on the ground. Giant redwoods(红杉) are impressive because they can grow as tall as 83 metres and as wide as 21 metres. You can drive a car through their trunks. They have been around(出现；现有；可用) since dinosaurs roamed(漫步;漫游;游荡;闲逛) the Earth but are now in danger of becoming extinct. (2) What do you think this script is about judging from the title and pictures? I think the script “The Amazon rainforest: a natural treasure” is about the Amazon jungle and the plants and animals found there. They are all natural treasures because they are valuable to the Amazon. The pi