Unit1 Nature in the balance Reading 课件-2023-2024学年高中英语牛津译林版（2020）必修第三册

Unit 1 Reading 1 The Amazon rainforest: a natural treasure What do you know about the Amazon rainforest? Brainstorming Location ? Species ? Climate ? Natural resources? The Amazon rainforest: a natural treasure What will be talked about judging from the title and the picture? Step 1 Pre-reading: Prediction Step 2 First Reading (Main idea ) Para. 3: Para. 4: ______biodiversity; ______of the rainforest Animal __________; food ______ The rainforest’s ______to the human race and ________to the rainforest. Para. 1: ___________ to the Amazon rainforest Para. 2: _________________ about the rainforest Para 5: Plants biodiversity levels chain value threats Introduction Basic information A. B. C. D. √ Step 2 First Reading ( Structure ) Step 3. Close Reading ( Para.1-2) Basic information about the Amazon rainforest ● Geographic position: ● Name: ● The significance of the Amazon rainforest and the Amazon river: gets its name from the Amazon river on the South American continent give this area the richest biodiversity on the earth Step 4. Close Reading ( Para.2) 8 6 million 6,400 40,000 1,300 400 20% 17% Of the 390,000 plant species known to us, more than 40,000 can be found in the Amazon. This tall and ancient brazil nut tree produces nuts that we can eat; these water lilies are big enough to lie down on. The forest’s different levels support an unbelievable variety of wildlife. At the bottom, there is a system of roots beneath the ground. Above that is the mass of leaf litter on the dark forest floor. The next level is made up of shorter plants with large leaves. Then there are the towering ancient hardwoods, and finally the tops of the tallest trees many metres above the ground. Each level of the forest forms its own little world, home to different kinds of living things. Close Reading ( Para.3) The rainforest’s different levels. a