内容正文:
Unit 1 Nature in the balance
Reading The Amazon rainforest:
a natural treasure
Warm up
Can you guess where the place is in the video?
According to the text’s title, can you predict what aspects the text may talk about?
Prediction
Read carefully to complete part A1 on page 4 with 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: _________________________________________
_________________________________________
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
Fill in the blanks with the figures
____countries and one overseas region
Around ______ km2 of forest
About ______km in length
More than _____ plant species
More than _______ bird species
Over ______
species of mammals
Over _____of all the Earth’s oxygen produced
About _____ the rainforest lost over the past 50 years
8
6 million
6,400
40,000
1,300
400
20%
17%
What is the purpose of using so many figures?
To provide specific and accurate information
To support the statement and make the statement more persuasive and convincing;
To make people realize the importance of the rainforest in a direct way
01
02
03
Read para 1 carefully and try to find the topic sentence
As the largest rainforest in the world, it plays a significant role in maintaining the fine balance of the Earth’s ecosystem.
Detailed-Reading
The documentary script compares the size of the Amazon rainforest with that of China;
The documentary script compares the length of the Amazon River with that of the Yangtze River.
Para 2 uses comparisons, find the targets of comparisons and understand its function.
While the reader may find a large figure too abstract to understand, making comparisons with fa