北师大版选修8 Unit 22 Environmental Protection Lesson 1-Reading课件-(共44张PPT)

课件44张PPT。Unit 22
Environmental Protection北师大高中英语第八模块Can we take the heat?In this lesson, we’ll be able to
1. understand some new words. 2. understand the text and get the key
information.
3. talk about activities to protect the
environment with the expressions learned in the text objectives Earth is like a paradise(天堂)! Earth is like a paradise(天堂)! Earth is like a paradise(天堂)! Earth is like a paradise(天堂)! Earth is like a paradise(天堂)! Earth is like a paradise(天堂)!Earth is like a paradise（天堂）, so it attracts the people
from other planet. But after their visiting, they think
it’s more like a hell(地狱). WHY？Why do they think it’s more like a hell(地狱)?Its all because of GLOBAL WARMINGWHO Is THE CULPRIT(肇事者)??????YOUMEHESHEWE are the ones causing ItAt some places, itIncreased Temperature Melting
Polar ice caps
FloodAt others……DroughtDead fisheshungerDON’T CRYIt’s NOT too LATE
ACT NOW!!!!Let’s learn how to stop global warming!Which countries do you think contribute more to global warming? A. developed countries
B. Developing countries
Why ? Word studyScan the text for these following words and work out their meanings.
consensus, bounce, agriculture, coincidence, condemn, reservation, sacrifice, advocateScanning
1. In the last few decades, scientists have reached consensus and reported that human beings are causing changes in the earth’s climate
2. Without these naturally occurring gases, the sun’s rays would bounce back into space leaving the Earth cold and impossible to live on.agreementjump back3. Given this data, it seems that the link between human activities and rising global temperatures is not merely a coincidence.
4. if we continue to produce carbon dioxide and other gases in such huge quantities, we are condemning life on Earth巧合destroying5. Some government, for example, the USA’s federal government, express reservations about whether global warming is really caused by human activities.
6.Experts advocated that each person play their part to save the earth.保留意见put forward and supportMatch the Key Words with their Chinese meanings. 1.consensus
2.bounce
3.agriculture
4.coincidence
5.condemn
6.reservation
7.sacrifice
8.advocateA.反弹
B.农业
C.巧合
D.一致的意见
E.保护
F.宣判死刑
G.主张，提倡
H. 牺牲Gist reading : Skim 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 warmingPara 1.
Para 2.
Para 3.
Para 4.
Para 5.Careful reading(1)
changes in the Earth’s climateglobal warmingenvironmental problemsan average increaselead to
be pinned on human activitiesin such huge quantitiesdisastersreduce the amount of carbon dioxideplay their partGAME TIMEAnswer questions and get free gifts! Come on !GOWhat is global warming?Global warming is an average increase in
the Earth’s atmosphere.BACKWhat human activities are causing global warming?Industry , agriculture , transportation ,
deforestation ,and burning of fuels
are causing global warmingBACKHow can individuals help solve the problem of global warming ? As individuals we should play our part, we can make small changes like taking public transport, recycling…BACKAre greenhouse gases necessary for life on Earth?Yes ,they are ,because they trap heat in the
atmosphere of the earth .Other wise the Earth
would be cold and unsuitable for life.BACKThere is nothing more we can do .the situation is now .
the accident, she is now afraid of water.
The scientist global warming at least three times in his speech.
The factory was producing greenhouse
gases .beyond our controlAs a result ofreferred toin huge quantitiesBACKFill in the blanks with phrases in the text.English talk showGLOBAL WARMINGACTRESS:
贾丹丹
肖梦
彭丽君
白青云
王盼丽

Character：
The host
Scientist A
Scientist B
Scientist C
Scientist D
HomeworkRead the text and do Ex5,6 on your handouts