Unit 1 Nature in the Balance Welcome to the unit & Reading 课件-2023-2024学年高中英语译林版（2020）必修第三册

The Amazon rainforest: a natural treasure Reading Listen and think : What does this video appeal to people? Lead-in What do you think this script is about judging from the title and the pictures ? Lead-in the Amazon jungle plants animals natural treasures valuable depend on the rainforest and food unusual Para 1 Para2 Para3 Para4 Para5 Match the main idea of each paragraph. Introduction to the Amazon rainforest Basic information about the rainforest 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 Fast-reading Fast-reading Analyzing the structure Plant biodiversity Different levels Animal biodiversity Food chain Importance Danger The ____________ and the _______ of the Amazon rainforest. importance /significance danger What is the general idea of this passage? Fast-reading 8 6 million 6,400 40,000 1,300 400 20% 17% Please read Para2-5 carefully and fill in the blanks below. (P4) Numbers/Statistics 1.What are they in the blanks? While-reading 2.What’s the function of statistics（数据） in documentary scripts? Statistics can make the facts more (有说服力的）, （给人印象深刻的）and （有说服力的）. convincing impressive persuasive Read para. 2 carefully and fill in the blanks below. It has on the Earth. 8 countries and one overseas region location size origin the Amazon River, about 6, 400 km in length around 6 million square kilometres of forest While-reading the richest biodiversity Read para. 3 and figure out different layers(层次) of the forest. a system of roots The forest’s different levels support an unbelievable variety of wildlife. the tops of the tallest trees the mass of leaf litter shorter plants with large leaves towering ancient hardwoods While-reading At the bottom Above that The next level Then Finally the tops of Jaguars At least 87 species, includi