Unit 1 Nature in the balance Welcome to the unit & Reading 课件-2022-2023学年高一下学期英语牛津译林版（2020）必修第三册

Nature in the balance Unit 1 Welcome to the unit What environmental problems can you find in the following two pictures? water pollution rubbish pollution marine (海洋) pollution deforestation (滥伐森林) soil pollution forest fire air pollution Watch & Answer loss of biodiversity climate change global warming acid rain (酸雨) desertification (荒漠化) What else environmental problems can you list? What is the message of the song? Humans have done much harm to the Earth, and we have to take action to change this situation. P1 Listen & Answer What can you do to protect the environment in your daily life? Thinking We can use less paper and fewer plastic bottles and bags. Cutting down on electricity usage can also help reduce the air pollution that power stations create. The human race has done much harm. We have polluted our soils and , And cut down too many trees. Now is the time to sound the . We want to live in a world that’s clean; We want to live in a world of . The human race has done much harm; Now is the time to sound the alarm. seas alarm green Enjoy the rhymes of this song Find out the wrong behavior in the picture. noise pollution heavy smoke clear-cut logging smoking shooting birds littering on the ground wasting water letting off off-gas pouring out waste water littering into the water If we save the environment, we save ourselves. 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. ---Friedrich Engels 但是我们不要过分陶醉于我们人类对自然界的胜利。对于每一次这样的胜利，自然界都对我们进行报复。 --- 弗里德里希·恩格斯 The Amazon rainforest: a natural treasure The Amazon rainforest: a natural treasure What will be talked about in the text according to the title and the picture? What could be the genre（体裁） of the article? Read the Para. 1. What aspects will be mentioned in the following paragraphs? Complete part A1 on page 4 with the main idea of each paragraph. Para. 1: I