Unit 1 Nature in the balance Welcome to the unit & Reading 课件-2023-2024学年高一下学期英语牛津译林版（2020）必修第三册

Nature in the balance Welcome to the unit & Reading enviromental problem/issue air pollution water pollution soil pollution noise pollution harm A turning point alarm What do you think this script is about judging from the title and pictures? Read the documentary script and write the main idea of each paragraph. Para. 1: Introduction to the Amazon rainforest Para. 2: Basic information about the rainforest Para. 3: _____________________________________ Para. 4: ______________________________________ Para. 5: ______________________________________ Welcome to the jungle, a huge sea of 大量的 green alive with 生机勃勃 the sounds of animals. This is the Amazon rainforest. As the largest rainforest in the world, it plays a significant role in maintaining the fine balance of 保持...的平衡 the Earth's ecosystem. The Amazon rainforest crosses into eight countries, including Brazil and Peru, and one overseas region of France, all on the South American continent. With an area of 面积为around million square kilometres, the Amazon rainforest is more than half the size of China. The Amazon River, from which the rainforest gets its name, is close to 6,400 kilometres in length 在长度上-roughly 大约100 kilometres longer than the Yangtze River. On its journey from the mountains to the ocean, the river supports many different ecosystems. They give this area the richest biodiversity on the Earth: one in ten known species in the world can be found here. Para.2 8 6 million 6,400 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 躺在...上. The forest's different levels support an unbelievable variety of 各种各样的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 由...组成shorter plants with large leaves. Then there are the towering ancient hardwoods, and