Unit 1 Nature in the balance Project 课件-2022-2023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 Project Making a booklet on environmental problems 制作者：桂东一中　李宇平 ◆  内容分析 本板块围绕单元话题，要求综合单元所学，在小组合作中用英语来制作一本关于环境问题的小册子。教学活动首先讨论现存的各种环境问题，然后以小组为单位，自主选择一个感兴趣的研究话题，再参照所给范例，从“原因”“后果” “控制方案”三个方面来完成小组的探究任务。 在制作过程中，从网站或其他渠道收集相关素材，丰富内容。制作完成后以小组为单位，分别展示成果，并用英语对其进行介绍。最后将各小组的内容页面合并，形成以“环境问题”为主题的一本完整小册子。 ◆  教学目标 By the end of this section, we will be able to: 1. use effective communication skills when interacting with others; 2. collect and sort the material needed when making the booklet; 3. present the outcome of group work; 4. evaluate and comment on each other’s works. A. 准备 1. Review the words and expressions related to the topic of environmental problems in this unit. polluted our soils and seas cut down too many trees Over the past 50 years, about 17 per cent of the rainforest has disappeared due to human activities such as agriculture and cattle farming. When the water goes away, it takes away the nutrients in the soil. Global warming, for example, is a major problem caused by greenhouse gases. It may lead to extreme weather events: droughts, heatwaves and so on. Human activities have brought many animals close to extinction. Hunting and fishing have directly influenced the world’s animal populations. When we build farms or factories, we destroy animal habitats and leave many animals with nowhere to live, or no food to eat. Air, water, noise and light pollution can all have a deep and damaging influence quite far from their source. The river is dirty and smelly. The smog in the air has coloured the sky a smoky grey. … 2. Go through part A on page 13 and ask them to list more environmental problems they know of. As a class, discuss different environmental problems. You can use the ideas below or think of other ideas. Then in groups, choose one problem to research. air pollution noise pollution habitat loss light pollution water pollution global warmin