Unit 1 Nature in the balance Reading 课件-2025-2026学年高一下学期英语译林版（2020）必修第三册

B3U1 Nature in the balance The Amazon rainforest: a natural treasure Lead-in The Amazon rainforest: a natural treasure The Amazon rainforest: a natural treasure Pre-reading genre of the article? documentary script (of a film, television or radio programme, or photography) using pictures or interviews with people or things involved in real events to provide a factual record or report. The Amazon rainforest: a natural treasure Look at the title and the picture, what is the passage about? Prediction the Amazon rainforest animals plants genre of the article? documentary script : a natural treasure subtitle副标题 value/ benefits of Amazon rainforest Watch the video carefully and and match the main idea with each paragraph. Para. 1: Para. 2: Para. 3: . Pare. 4: . Para. 5: . Plant biodiversity ；Levels of the rain forest Animal biodiversity；Food chain The rainforest’s value to the human race; danger to the rainforest Read the documentary script and write the main idea of each paragraph. (P4) Introduction to the Amazon rainforest Basic information about the rainforest A1 Quickly go through the text and fill in the blanks with the figures. (P4) 8 6 million 6,400 40,000 1,300 400 20% 17% What’s the function （作用）of figures in documentary scripts? They can make the facts more ____________ (有说服力的) and __________ (给人印象深刻的). convincing/persuasive impressive Para. 1 Read carefully and try to find the theme of this script. Introduction While-reading Para. 2 : Basic information Location: Size: Origin of the name: Significance: lies on the South American continent is named after the Amazon River While-reading more than half the size of China The Amazon rainforest and the Amazon River give the richest biodiversity on the earth. What’s the writing techinique is used in these two sentences? of this Paragragh? What’s the functions of making a comparison? Para2: Basic Information By making a comparison help readers gain a better understanding, and make the information more precise and accurate. While-reading a system of roots Each level of the forest forms its own little world, home to different kinds of living things the tops of the tallest trees the mass of leaf litter shorter plants with large leaves towering ancient hardwoods ➪ There are _______ levels of plant species. 5 While-reading At the bottom Above that The next level Then Finally the top Listen to para. 3 and find different levels of the forest. a system of roots Each level of the forest forms its own little world, home to different kinds of living things the tops of the tallest trees the mass of leaf litter shorter plants with large leaves towering ancient hardwoods While-reading At the bottom Above that The next level Then Finally the top Read para. 3 and draw a mind map about different levles of the rainforest. How does the author organize the description of the Amazon rainforest in this paragraph, and what is the purpose of this organization? Para. 3 Plant biodiversity; different levels The author describes the rainforest from the bottom level to the top level (underground → forest floor → shorter plants → tall trees). This clear and orderly structure helps readers better understand the different layers and the variety of wildlife in the forest. While a significant number of jaguars survive here, they are only one element of this forest’s food chain. Jaguars At least 87 species, including frogs Insects Leaves and fruit Microorganisms cycle nutrient Can you list another example of food chain? lungs of the planet 1. What is the function of the rainforest to us? fix carbon produce oxygen a treasure house of species 2. What is the major danger to the rainforest? Us—— Human beings. Read para. 5 together and answer the questions. While-reading metaphor By using “us” instead of “human beings”, the author wants to emphasize that every one of us is __________ for the damage to the ____________. Therefore, all of us have a _____ to play in protecting it. responsible part rainforest What is your answer to the question at the end of the script ? Can we afford to damage the “lungs of the plant”? No. The Amazon rainforest is far too important for us to allow it to be destroyed. It helps maintain the balance of the ecosystem and provides our society with food and medicine. What is the function of raising a question at the end of the passage? To seek for answers to protect the Amazon rainforest. To arouse people’s concern about the Amazon rainforest. What is the purpose of this documentary script? A. To advertise the Amazon rainforest. B. To popularize(科普) the Amazon rainforest. C. To persuade readers to protect wildlife. D. To call for our joint efforts to protect the Amazon rainforest. √ What can we do to protect the forest around us？ Let’s discuss and discover Let’s discuss and discover What can we do to protect the forest? Summary: 1).Raise our awareness of protecting the forests(or environment). 2).Plant more trees. 3).Recycle the paper and don’t waste it. 4).Don’t use disposable chopsticks(一次性筷子). 5).Don’t destroy the forest into other use. 6).Don't set fire to the forest. ... 1.We're supposed to/ We'd better raise our awareness of protecting the forest. 2.It is a must to plant more trees. 3.Recycling the paper is a step in the right direction. 4.We're advised not to use disposable chopsticks. 5.It is highly recommended that we should not destroyed the forest into other use . 6.It is of great benefit not to set fire to the forest . 7.It is ... that matters Thanks for your listening！ Lavf58.12.100 Lavf57.62.100 null 59479.71 $