Unit 1 Nature in the balance Welcome to the unit & Reading 课件-2022-2023学年高中英语牛津译林版（2020）必修第三册

Unit 1 Nature in the balance Welcome to the unit Presentation However, it is a totally different situation in some other places !!! What can you see in these pictures? What can you see in these pictures? 但是我们不要过分陶醉于人类对自然界的胜利。对于每一次这样的胜利，自然都会对我们进行报复。 ——弗里德里希·恩格斯 Let us not, however, flatter ourselves overmuch on account of our human victories over nature. For each such victory nature takes its revenge on us. —Fredrich Engels Listen to the song! 1. What is the message of the song? Humans have done much harm to the Earth, and we have to take action to change the situation. Free talk 2. What can we do to help protect the environment? Watch the video and take notes of how to save our world. 2. What can we do to help protect the environment? plant more trees use less paper drive less and walk more use fewer plastic bottles and bags save water and cut down the use of electricity don't waste food don't use one-off things if possible, don't use air conditioners ... humans live in harmony with nature Reduce the waste Recycle the waste Reuse the resourses 3R Do you know where it is? The Amazon rainforest: a natural treasure The Amazon rainforest: a natural treasure What could be the genre（体裁） of the article? documentary script (纪录片脚本） Para. 1: Introduction to the Amazon rainforest Para. 2: Basic information about the rainforest Para. 3: _____________________________________ Para. 4: ______________________________________ Para. 5: ______________________________________ Analysing the structure Read the documentary script and write the main idea of each paragraph (part A1). Plant biodiversity：levels of the rainforest（plants） Animal biodiversity：food chain （birds and animals） The rainforest’s value to the human race; threats to the rainforest Passage Structure Introduction Basic information Plant biodiversity Different levels Animal biodiversity Food ch