Unit 3 Environmental Protection Reading and Thinking(公开课教学设计-2023-2024学年高中英语人教版（2019）选择性必修第三册

Unit3 Environmental Protection Reading and Thinking 教学设计 教学基本信息 单元名称 选择性必修第三册Unit3 Environmental Protection 学科 英语 学段 高中 年级 高二第二学期 主要教材 书名：英语选择性必修第三册 出版社：人民教育出版社 出版日期：2023年12月 课时安排 第1课时 课型 Reading and thinking 教学目标 To discuss climate change. To learn to identify the style of this text and infer the writer's purpose. To learn to draw a diagram. To think about what we can do to deal with climate change. 教学重难点 1.帮助学生了解说明文的文体特征。 2指学制作示意图展示温室效应的原理和流程，将文字信息图表化。 3.鼓励学生思考自身能为气候变化这一现象做些什么。 教学方法 TBLT 教学活动设计 教学过程 活动形式及步骤 活动意图 时间 Activity1 Lead in 1. Lead in with two questions about global warming. 1. What’s happening(发生) in the photo? 2. Why did it happen? 2. Think and discuss ①What consequences后果 may global warming/climate change bring about引起? ② A video and some pictures about the bad effects caused by global warming. 1. 通过提问激活学生背景知识。 2.利用视频创设情境，导入主题的同时，也帮助进一步激活有关问题的认知和经验。 2min 4min Activity 2 Pre-reading What information信息 can we get from the graph/ ɡrɑːf / 图表? To practise Ss’ reading skill of predicting before reading. To practise Ss’ skill of describing a graph and analyzing the trend according to the graph. 2min Activity3 Fast reading. Read for main idea ＆ text type ①What type of writing is this passage? ②What’s the topic sentence of each paragraph and what’s the key word? ③What's the passage mainly about? 了解文章结构，为提取和归纳基本信息作准备。判断出本文是一篇说明文，并以此理解说明文体的特征。 5min Activity4 Read for details ①Para 1.: What is the problem about climate change? Read and fill in the blanks. ②Ss read Para. 2: A case of climate change. Put the reasons account for the death of the polar bear in a correct logical order排序: A. low sea-ice level低海冰水位 B. starvation饥饿 C. longer food-seeking travel更远的觅食路程 D. lack of food缺少食物 E. climate change气候变化 正确的顺序为： ③Ss read Para. 3 to find the causes. Information about “greenhouse effect温室效应” ④Tips of Para.3: use a diagram to describe how the greenhouse effect works. ⑤Ss read Para. 4 and mark true (T) or fal