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选修8《Lesson 1 Global Warming》最新PPT课件优质课下载
What causes the problem?
overfishing
natural
disasters
pollution
Environmental
problems
global
warming
poverty
forest
destruction
endangered
animals
greenhouse
effect
One of the biggest problem of 21st century
Can we take the heat?
Task 1: guessing game
Try to guess what we will learn in this passage?
Task 2:
Read the passage quickly and match the headings with each
paragraph:
1.What should human beings do. Para. 1
2.Draw readers’ attention to the