人教版高中英语选修6unit4 Global warming up and reading共31张

1、Unit4,Global Warming,The Earth Is Becoming Warmer,But Does It Matter,Work in groups -list things as,required,1. Things that consume energy around,us or at any other places,2.Sources of energy,Warming up,I,m,Things that use energy,In a house,Things that use energy,Sources of energy,lights,television,

2、cassette player,computer,fridge,stove,washing machine,hairdryer,video recorder,coal oil,natural gas,wind(power,sun(solar energy,water(hydro-electric,power,the sea ( tidal energy,uranium(nuclear energy,plant (biomass energy,Windmills, renewable,What? Renewable,Warming up,P 25,What? Renewable,A coal p

3、ower station , non-renewable,What? Renewable,An oil refinery,精炼厂, non-renewable,What? Renewable,A nuclear power station, non-renewable,solar panels,renewable,What? Renewable,What? Renewable,A hydro-electric dam, renewable,Geothermal,地热的,Energy Plant,What is the greenhouse,made of and used for,What i

4、s this,The sun,Greenhouse,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,Questions,What is greenhouse,effect,green house effect,Carbon-dioxide,Th

5、e leading gasses are,Carbon-dioxide,Methane,Ozone(O,3,Nitrous Oxide(N,2,O,Which greenhouse gases do,you know,As the earth is becoming,warmer, there are many,disasters,tsunami,The rise of the sea level,floods,snow disaster,famines,the spread of,diseases,droughts,Listen to the tape and find out the,ma

6、in idea of the passage,Reading,Part 1(Paragraphs 1,Part 2(Paragraphs 2-5,Part 3(Paragraphs6,Introduce a debate over the issue of,global warming,Describe how global warming,comes about,List two different attitudes among,scientists towards global warming,Part 4(Pa 7,Its up to readers to think and deci

7、de,whether people should do something,about global warming or not,Choices,1. Who found out the amount of carbon,dioxide in the atmosphere from 1957 to,1977,A. Dr. Janice Foster,B. Charles Keeling,C. George Hambley,D. Sophie Armstrong,B,Reading IV (3m,2. The author probably agrees that,_,A. actually global warming is good,for mankind,B. we should do nothing about the,global warming,C. catastrophes will happen if the,globe keeps on warming,D. a lot remains to be found out,about the effects of glob