Unit1 Nature in the balance Reading 课件-2025-2026学年高中英语牛津译林版必修第三册

该高中英语课件围绕亚马逊雨林的基本信息、生物多样性、价值与威胁展开，通过视频导入提问引出雨林供氧作用，结合标题预测文章内容，帮助学生构建前后知识联系的学习支架。 其亮点在于通过数字对比（如600万平方公里面积、20%氧气产量）和思维导图（雨林层次）培养语言能力，小组联合国演讲活动提升文化意识中的社会责任感，分析数字作用及对比方法发展思维品质。采用活动式与合作学习，学生能深化文本理解并提升表达能力，教师可高效落实教学目标。

B3U1 Nature in the balance Reading The Amazon rainforest: a natural treasure Step1 Lead in What is the video about？ Can we survive without the Amazon rainforest? Predict： Judging from the title and the illustrations, What do you think this script is about? Step1 Lead in Amazon rainforst Para. 2 Basic information about the rainforest Para. 3 Plant biodiversity; levels of the rainforest Para. 1 Introduction to the Amazon rainforest Para. 5 Para. 4 Animal biodiversity; food chain Step 2 While-reading Task 1. Read for the structure Value and threat Task2 Detailed reading As the largest rainforest in the world, it plays a significant role in maintaining the fine balance of the Earth’s ecosystem. What is the function of the Amazon rainforest ? Activity1 Read and find. 6,400 6 million 8 17% 20% 400 40,000 1,300 Activity 2 Read and fill. What is the purpose of using so many figures? Besides just listing the figures, how does the script make the figures, the large figures in particular, understandable? To support the statement and make the statement more persuasive and convincing. By making comparisons with figures. Activity3 Individual thinking Activity4 Complete the mind map about different levels of the rainforest. a system of roots the mass of leaf litter shorter plants with large leaves towering ancient hardwoods the tops of the tallest trees The forest’s different levels support an unbelievable variety of wildlife. Activity 5 Finish the food chain. 01 02 03 04 05 1. ___________ 2. ___________ 3. ___________ 4. ___________ 5. ___________ Jaguars frogs and other species insects leaves and fruit micro-organisms Circular循环的 Activity 6 Read and find . Q1: How does the Amazon rainforest breathe life into the planet? Q2: Why has 17 per cent of the rainforest disappeared over the past 50 years? Due to human activities such as agriculture and cattle farming. By fixing carbon and producing over 20 per cent of all the Earth’s oxygen. To raise the awareness of protecting the Amazon rainforest, you are invited to make a speech in the United Nations. (Group work) Useful expressions: 1. It is my great honor to have a chance to make a speech here. 2. It has a crucial influence on 3. be of significance to 3. be home to 4. It is time for sb to do sth. 5. make joint efforts to do sth Step3 Post-reading make a speech Show Time What can we do to help maintain a natural balance? Step 4 Extension Lucid water and lush mountains are invaluable treasures. Step 5 Summary What we have learned today? Amazon rainforst Para. 2 Para. 3 Para. 1 Para. 5 Para. 4 Introduction to the Amazon rainforest Basic information about the rainforest Plant biodiversity Animal biodiversity; Value and threat Step6 Homework Write a passage to introduce the Meishui River in Shuangfeng and talk about how to protect it. The Amazon rainforest: a natural treasuree Teaching design 18 CONTENTS General Analysis 01 The Teaching Methods & Learning Strategies 02 Teaching Procedures 03 Reflection 04 19 P A R T General Analysis 20 Guiding Theories Analysis of the Target Students Analysis of the Teaching Material Learning Objectives Teaching Difficult Points General Analysis 1 2 3 4 5 6 Teaching Important Points 21 Language Ability Learning Ability Culture Awareness Thinking Quality 1. Guiding Theories Part 1. General Analysis 22 1. Guiding Theories Part 1. General Analysis Learning and understanding, Applying and practicing, Transferring and creating. 23 Material: Book 3, Unit 1 Type: A documentary script Content: The basic information of the Amazon Rainforest Purpose: Appeal to people to protect the natural treasure—— the Amazon Rainforest. 2. Analysis of the Teaching Material Part 1. General Analysis 24 3. Analysis of the Target Students Grade: Senior 1 Ability: simply express ideas and basic reading skills What they have known: some basic information of the Amazon Rainforest What problem they might face: The analysis of the writing intention Part 1. General Analysis 25 4. Learning Objectives Language Ability Learning Ability Thinking Quality Culture Awareness words, phrases, sentences characteristics of documentary script share ideas in a group use different reading strategies evaluate the importance of the Amazon rainforest understand the writing intention build up their sense of social responsibility increase self-confidence Part 1. General Analysis 26 read and understand the documentary script; make comparisons when talking about a large figure. 5. Teaching Important Points Part 1. General Analysis 27 understand the author's writing intention 6. Teaching Difficult Points Part 1. General Analysis Students may find it challenging to: 28 P A R T The Teaching Methods & Learning Strategies 29 The Teaching Methods &Learning Strategies Teaching Methods Activity-based English Learning Cooperative Learning Learning Strategies Activity-based Teaching Method Scaffolding Instruction Communicative Teaching Method 30 P A R T Teaching Procedures 31 Lead-in （2min） Read for Details & Comprehension （20min） Extension（2min） Read for structure（3min） Post-reading （12min） Summary Homework（1min） Teaching Procedures 1 2 3 4 5 6 32 Step 1: Lead-in Part 3. Teaching Procedures 33 Part 3. Teaching Procedures 34 Lead in Predict： Judging from the title and the illustrations, What do you think this script is about? Purpose This step aims to stimulate students’ interest which can help them get prepared for the article. Step 2: Read for structure Part 3. Teaching Procedures Purpose This step is designed to help students to gain a basic understanding of the structure of the documentary script. 36 Step 3. Read for Details and Discovery Activity 1 -- Read and answer Activity 2 -- Read and fill in blanks Activity 3 -- Read and finish the mind map Activity 4 -- Read and draw Part 3. Teaching Procedures 37 Activity 1--Read and answer Part 3. Teaching Procedures 38 Activity 2--Read and Fill Part 3. Teaching Procedures Purpose These activities helps students find out the details of the Amazon Rainforest by training their ability to quickly acquire information from the text. 39 Purpose This step helps to train students’ critical thinking ability. Activity 3--Read and Finish the mind map Part 3. Teaching Procedures 41 Activity 4 -- Read and draw Purpose Through these activities, students will have a deeper understanding of the general idea , and students’ logical thinking ability can be developed. Step 4: Post reading Part 3. Teaching Procedures Purpose The step aims to cultivate students' critical thinking, and help them express their views, emotions and attitudes through cooperative learning. Step 5: Extension Part 3. Teaching Procedures Purpose Students will raise their awareness of protecting the environment, increasing their sense of social responsibility. 44 Step 6. Homework Part 3. Teaching Procedures This assignment is designed to trigger students to think in relation to the reality of life, and to achieve the transfer of what they have learned. Purpose 45 their sense of social responsibility Blackboard Design Part 3. Teaching Procedures 46 P A R T Reflection 47 Part 4 Reflection Highlights Comprehensive analysis of the text Theme-related activities Logical design of teaching procedureWell-designed question chains Improvements Questions are restricted to one single form-(Q＆A). Activities seem a little too much for a 40 minute class. 48 THANKS 49 $