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Unit 4 Global warming;; From the following pictures, you will know where all this energy comes from.;an oil refinery;solar panels;Sample lists;;;Renewable or non-renewable?;Renewable or non-renewable?;What is told in the picture?;;What is the greenhouse made and used for?; A greenhouse is made of glass and is used for growing plants, especially during cold weather.;How does it work?
The air inside is warm because the glass traps the heat from the sun and keeps it from escaping. This makes the greenhouse heat up and so the
plants can grow
throughout the
cold period.;What are the “greenhouse gases”?
In the atmosphere surrounding the earth there are gases called “greenhouse gases”, including carbon dioxide, methane (甲烷, 沼气) and water vapor.;What do you think greenhouse
gases do?
They trap the heat of the sun and keep the air surrounding the earth warm. ;;Main ideas of each part;Main ideas of each part;;;;Read the text carefully and fill in
the blanks.;Scientists;Scientists;II. Choose the best answer.
1. The first graph in the text is used to ________.
attract readers’ attention
B. introduce the topic of global warming
C. act as an example
D. support the opinion and make it more convincing;2. The author probably agrees that ________.
global warming is good for us
B. we can do nothing about global warming
C. catastrophes will happen if the globe keeps on warming
D. much remains to be found out about the effects of global warming;; Answer the questions.
Who wrote the magazine article?
What is the name of the magazine?
Sophie Armstrong wrote the magazine article. The name of the magazine is Earth Care.; 2. What are the names of the three scientists mentioned in the article?
They are Dr. Janice Foster,
Charles Keeling and George
Hambley.;3. What do they think about global
warming? Do they agree with one
another?
There are some very different attitudes among scie
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