选修模块8 Unit 22 Environmental Protection Lesson 1 Global Warming 课件（19张）

(共19张PPT)
Unit 22 Environmental Protection
Lesson 1
Objectives
At the end of this lesson, you’ll be able to
get detailed information of the text
increase the awareness of
protecting the earth
Review the words
Please match the words with their proper meanings
1.consensus
2. relevant
3. advocate
4. sacrifice
5. recycle
6. drought
7. substitute
8. bounce
9. claim
10. reservation
牺牲，献出
回收利用
主张，提倡
一致的意见
代替品，代用品
反弹
声称
旱灾
保护；预定
相关的
d
j
c
a
b
h
e
f
g
i
Review the words
Pre-reading
Predict :
What is the text about
Based on the title “Can we take the heat？” and the following pictures.
Traffic Jam
Factory
The text may be about:
1.Vehicles and factories pump varieties of gases in huge quantities, especially carbon dioxide, into the atmosphere, which causes the greenhouse effect and will cause some other disasters.
2. How do we take actions to wrestle with this problem and stop the disasters from happening
What is global warming
Global warming means an average increase in the Earth’s temperature which leads to climate change.
Skimming
Read the text and match the heads with
the paragraphs.
1.Draw readers’ attention to the topic by asking questions.
2.What should human beings do.
3.What is global warming.
4.Consequences of global
warming.
5. What cause global warming
Para 1.
Para 2.
Para 3.
Para 4.
Para 5.
Scanning
Careful reading
Para.1 Introduction: Human beings are causing____ and it is believed that ________ could be one of the biggest______ in the 21st centry.
Para.2 Definition: Globle warming refers to_____ in the Earth’s temperature that, in turn,______ climate change.
Para.3 Causes: Many experts insist that the blame for this global warming can mostly____.
Para.4 Consequences: If we continue to produce greenhouse gases______. There will be more______ such as floodings, heat waves and droughts.
Para.5 Action: All governments have a responsibility to ____ and each person should_____.
Para.1 Introduction: Human beings are causing__________________________ and it is believed that ________________ could be one of the biggest_____________________________ in the 21st centry.
Para.2 Definition: Gloable warming refers to________________________ in the Earth’s temperrature that, in turn,___________ climate change.
changes in the Earth’s climate
global warming
environmental problems
an average increase
lead to
Para.3 Causes:Many experts insist that the blame for this global warming can mostly_________________________.
Para.4 Consequences: If we continue to produce greenhouse gases____________________. There will be more___________ such as floodings, heat waves and droughts.
Para.5 Action: All governments have a responsibility to _________________________________ and each person should________________.
be pinned on human activities
in such huge quantities
disasters
reduce the amount of carbon dioxide
play their part
Post reading
Voice your opinions:
What we can do
Sentence structure:
Stop doing sth. and we should do…
eg. Stop driving our personal cars, and we can go to school or work on foot or by bus.
public transport
low-flow shower head
recycled paper
switch off…
energy-saving light bulbs
In some cases, it only takes a little change in lifestyle and behavior to make some big changes in greenhouse gases reductions.
Homework
Read the text and do Ex5.