Unit 1 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

The Amazon rainforests: a natural treasure The Amazon rainforest crosses into eight countries, including Brazil and Peru, and one overseas region of France, all on the South American continent. More than 1,300 species of birds and over 400 species of mammals hide among the jungle's plant life, This jaguar is one example. It has a yellowish-brown coat with black spots. While a significant number of jaguars survive here, they are only one element of this forest's food chain. jaguars insects at least 87 species, including frogs leaves and fruit microorganisms feed on break down feed on eat nutrients return They feed on 以...为食 at least 87 species, including frogs. These frogs, in turn转而, feed on insects which eat leaves and fruit. When a jaguar dies, a tiny army of 一批microorganisms helps break down分解 its body and return the nutrients to the earth. Para.4: biodiversity; chain. animal food 1,300 400 The Amazon rainforest breathes life into 注入活力the planet by fixing carbon and producing over 20 percent of all the Earth's oxygen. Thus, it is often known as 被称做 the “lungs of the planet". Moreover, the Amazon rainforest is a treasure house 宝库 of species that can be used for food or medicine. Yet there is one major danger to these irreplaceable plants and animals: us. Over the past 50 years, about 17 percent of the rainforesth as disappeared due to human activities such as agriculture and cattle farming 养牛. As the impact of human activities continues to grow and the list of species in danger of extinction becomes longer, we are left with a question: can we afford to 负担得起做某事 damage the “lungs of the planet"? Para.5: The rainforest’s to the human race; to the rainforest. value threats 20% 17% the Amazon River biodiversity plant species levels mammals food chain oxygen food or medicine human beings agriculture How to protect the Amazon rainforest? Enforce their own law. If there is enough cas