the_earth_is_becoming_warmer阅读公开课PPT精选文档

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Dr Janice Foster,
Charles Keeling,
George Hambley
14
Look at two graphs,
then answer the
★★★
following questions:
1 What is Graph One about?
2 What’s about Graph Two?
and does it matter?”
11
Fast Reading
★★
Read the title and the opening paragraph, then answer the following questions:
1. Who wrote the article?
2.What is the name of the magazine?
22
In addition, some byproducts of the btishu_er_n_min_og_stp_“r_iom_gc_preeog_sreas.tnsaaehnrsoteusocena”elleodf_cw_a_hrbi_co_hn_d_io_x_id_e_,
23
green house effect
20
Para.2
How has global warming come about?
Illustrate causes/reasons by giving examples
21
To begin with,the increase of the earth’s
temperature is due to__t_h_e__b_u_rn_i_n_g_o_f. fossil fuels
1
2
3
4
hot ! !
!
Reading
The earth is becoming warmer ——But does it matter?
5
Guess
Look at the title and the structure of the article.
Where does this article most probably come from?
Graph 2 is about the carbon dioxide content in the atmosphere from 1957 to 1997.
16
Careful reading
Human activity or natural phenomenon
Para.1
How has global warming come about
24
Carbon-dioxide
25
The greenhouse gases include Carbon-dioxide, methane, water vapour.
26
What do you think of the greenhouse effect?
Greenhouse effect is necessary for us. But too many greenhouse gases will cause the globe to be too warmer.
12
1. Who wrote this article? Sophie Armstrong
2. What is the name of the magazine?
Earth Care
13
What are the names of the three scientists mentioned in the 源自文库rticle?
Where does this article most probably come from?
A.Newspaper B. Novel C. Magazine
8
9
What is the article mainly about?
10
The Main Idea
“So how has this come about
27
Para.3
Charles Keeling’s measurements
People accept Charles Keeling’s data because he took accurate measurements.
28
Charles Keeling
The graph shows that…
A.Newspaper B. Novel C. Magazine
6
Features of This Magazine Article
1 title 2 opening paragraph
3 two graphs 4 main text in two columns
7
Look at the title and the structure of the article.
1997
29
Para.4
Data
What does Dr. Janice Foster
say?
30
She says that over the next _1_0_0 years the amount of warming could be as low as_1_ to1_.5_ degrees Celsius ,but it could be as high as__5_ degrees.
Is it a coincidence that both 3 graphs show the increase?
4 What caused them to increase?
15
Graph 1 shows the temperature difference on average from 1860 to 2000.
Para.2
Charles Keeling’s measurements para3
Data
Para.4
Different attitudes
Para.5
Conclusion
Para.6
17
Para.1
Human activity or natural phenomenon
What has caused global warming?
18
What can we learn from graph1?
We can see clearly from the graph that ….
19
2.Translate the whole paragraph into Chinese.
毫无疑问,地球是在变暖,而地球变 暖正是人类活动导致而成的,并非是 一种无规律的自然现象。
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