Part 1 (A) How has global warming come about?

Part 2 (B) List two different attitudes

Part 3 (C) Should we do anything?

Part 4 (D) The earth is becoming warmer

设计意图：整体把握文章结构，思路清晰，便于理解文章内容

Step 3 Scanning

1 Fill the table

1Who wrote the article? 　Sophie Armstrong 2What is the main idea of the passage? Global warming/

the warming of the earth. 3What are the names of the 3 scientists? Dr Janice Foster,

Charles Keeling,

George Hambley 2 The Outline of different opinions

Dr Janice Foster Charles Keeling George Hambley

Part 1

　　　This article is from ________.

　　　　A. a magazine B. the internet C. a book

Part 2

　　　1. What's graph 1 about?

　　　2. What's graph 2 about?

　　　3 How does the global warming come about?

Part 3

Fill in the table