Unit 1 Reading ppt课件（含视频）-（2020）新牛津译林版高中英语必修第三册.rar

Unit 1 Nature in the balanceReading Have you ever watched a documentary before? Pre-readingPre-readingDo you know where it is?Analysing the structureRead carefully to complete part A1 on page 4 with the main idea of each paragraph.Para. 1: Introduction to the Amazon rainforestPara. 2: Basic information about the rainforestPara. 3: _Para. 4: _Para. 5: _Plant biodiversity：levels of the rainforest（plants）Animal biodiversity：food chain （birds and animals）The rainforests value to the human race; threats to the rainforestPassage Structure IntroductionBasic informationPlant biodiversityDifferent levelsAnimal biodiversityFood chainValueThreatRead para. 1 carefully and try to find the theme of the script. While readingFind a sentence to match the pictureRead paragraph 2 (4)(3)(2)(1)a system of roots beneath the groundthe mass of leaf littershorter plants with large leavestowering ancient hardwoodsthe tops of the tallest treesRead Paragraph 3 and complete the mind map about different levels of the rainforest.provide place to liveJaguarsAt least 87 species, including frogsLeaves and fruitLeaves and fruitMicroorganismsfeed onfeed on break downbreak downfeed onfeed on feed onfeed on nutrientnutrientRead Paragraph 4 and complete the following chart about the food chain in the rainforest.Insectsdifferent levelsfood chainplaces to livefood and nutrients the richest biodiversityThe reason why Amazon rainforest has the richest biodiversity in the world.lungs of the planetRead Paragraph 5 and think about the following question: What is the function of the rainforest to us?fix carbonproduce oxygena treasure house of speciesWhat makes the Amazon rainforest a natural treasure according to the script?Post readingIts unique levels and food chain make it have the richest biodiversity.It produces over 20% of the planets oxygen.Its wonderful plant and animal species have enabled humans to find food and medicine.Can we afford to damage the lungs of the planet? Why?Post readingIt helps maintain the balance of ecosystem.It provides our society with food and medicine.To protect the rainforest is to protect ourselves.Have you met any behavior unfriendly to nature during the Chinese New Year or during your daily life?Post readingDiscuss with your partner what you noticed and think about what we can do to deal with these problems?Post readingHomework1. Write a summary of the script2. Finish the workbook.