高中英语 Unit22《Lesson 1 Reading》课件 北师大版选修8

1、Unit 22 Environmental Protection,北师大高中英语第八模块,Can we take the heat?,In this lesson, well 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

2、 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 its more like a hell(地狱

3、).,WHY？,Why do they think its more like a hell(地狱)?,Its all because of,GLOBAL WARMING,WHO Is THE CULPRIT(肇事者)?,YOU,ME,HE,SHE,WE are the ones causing It,At some places, it,Increased Temperature,Melting Polar ice caps,Flood,At others,Drought,Dead fishes,hunger,DONT CRY,Its NOT too LATE ACT NOW!,Lets l

4、earn how to stop global warming!,Which countries do you think contribute more to global warming?,A. developed countries,B. Developing countries,Why ?,Word study,Scan the text for these following words and work out their meanings. consensus, bounce, agriculture, coincidence, condemn, reservation, sac

5、rifice, advocate,Scanning,1. In the last few decades, scientists have reached consensus and reported that human beings are causing changes in the earths climate 2. Without these naturally occurring gases, the suns rays would bounce back into space leaving the Earth cold and impossible to live on.,ag

6、reement,jump back,3. 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,destroying,5. Some government, for

7、 example, the USAs 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 support,Match the Key Words with their Chinese meanings.,1.consensus 2.bounce 3.

8、agriculture 4.coincidence 5.condemn 6.reservation 7.sacrifice 8.advocate,A.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 w

9、arming. 4.Consequences of global warming. 5. What cause global warming,Para 1. Para 2. Para 3. Para 4. Para 5.,Careful reading(1),changes in the Earths climate,global warming,environmental problems,an average increase,lead to,be pinned on human activities,in such huge quantities,disasters,reduce the

10、 amount of carbon dioxide,play their part,GAME TIME,Answer questions and get free gifts! Come on !,GO,What is global warming?,Global warming is an average increase in the Earths atmosphere.,BACK,What human activities are causing global warming?,Industry , agriculture , transportation , deforestation

11、 ,and burning of fuels are causing global warming,BACK,How 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,BACK,Are greenhouse gases necessary for life on Earth?,Yes ,they are ,becaus

12、e they trap heat in the atmosphere of the earth .Other wise the Earth would be cold and unsuitable for life.,BACK,There 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 control,As a result of,referred to,in huge quantities,BACK,Fill in the blanks with phrases