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1、Unit 4 GLobal warmingI韦琳.第1页,共30页。There is a letter for you.listen carefully and catch the information第2页,共30页。Save the worldwhowhat happen to me ?Why?Get to know me first who am I?earthITsickThumanfueltemperaturefloodpeopleiceanimals drought第3页,共30页。Save the world human activity has caused this glo

2、bal warming. Human activity has caused this global warming . It is the burning of more and more fossil fuels that has resulted in this increase in carbon dioxide. The burning of more and more fossil fuels has resulted in this increase in carbon dioxide.1234Find out the difference It is thathuman act

3、ivity强调句emphatic sentence第4页,共30页。Save the world consumefloodgo uppollutionphenomenonGlobal warming consequencephrasesphrasesgreenhouse effectfossil fueldroughtfaminecome about quantity of on behalf of result in be opposed to even if keep on put up with words and phrases第5页,共30页。Save the world. stat

4、ue of libertyThe developed countries consume the most energy in the world.Its the developed countries that consume the most energy in the world.Its the most energy that the developed countries consume in the world.Its in the world that the developed countries consume the most energy .Its consume tha

5、t the developed countries the most energy in the world.主语宾语状语谓语不可用第6页,共30页。Save the worldgroup work Rewritethe sentencesThe greenhouse effect gives the earths surface the average temperature of 15 .Much of the energy used to light and heat our homes comes from fossil fuels.It is the greenhouse effec

6、t that gives the earths surface the average temperature of 15 .In the future outer space might provide us with new energy sources. It is outer space that might provide us with new energy sources in the future.It is fossil fuels that much of the energy used to light and heat our homes comes from .第7页

7、,共30页。Save the world. Nanning people like eating old friend rice noodles.Its Nanning people _like eating old friend rice noodles.that who第8页,共30页。Save the world Rewritethe sentencesEnvironmentalists have tried to stop the earths temperature from rising.Scientists want to find out about future climat

8、e changes and their effects on our enviroment.Scientists warned that greenhouse gases would warm the earth by trpping heat energy in the atmoshphere. It is environmentalists who have tried to stop the earths temperature from rising.It is scientists who want to find out about future climate changes a

9、nd their effects on our enviroment.It was scientists who warned that greenhouse gases would warm the earth by trapping heat energy in the atmoshphere. 强调人时可用who (主语) 或 whom (宾语)第9页,共30页。. It is us who can change the world.第10页,共30页。Save the world.什么是强调句 We should save the electricity.Its the electri

10、city that we should save .第11页,共30页。Save the world.什么是强调句 Plastic bags will bring white pollution.Its plastic bags that will bring white pollution.第12页,共30页。Save the worldThe burning of fossil fuels has resulted in greenhouse effect. Its greenhouse effect that the burning of fossil fuels has resulte

11、d in.第13页,共30页。Save the world We should ride bicycles because its good for our health and environment.Its because its good for our health and environmentthat we should ride bicycles .第14页,共30页。Dont you didnt recognize, it warned us: human in the destruction of the environment at the same time,also i

12、n unconsciously hurt yourself.第15页,共30页。complete the sentencesSave the world. It is _likes smoking. Mr. Wei who第16页,共30页。complete the sentencesSave the world. It is _treestake in from the air and make oxygen.carbon dioxidethat第17页,共30页。Save the worldIt is _ caused by cars emmissions(排放) that have ma

13、de bad influence on living condition. air pollution and global warming complete the sentencesthat第18页,共30页。Save the world It is _ we still burn the coal as ourfuel. in our schoolthat complete the sentences第19页,共30页。It is time that we should make some changes.第20页,共30页。Save the world骑单车可以节约许多的能源。It i

14、s riding bikes that can save a lot of energy.第21页,共30页。Save the world判断是否是强调句是,可把 It is / was that 去掉,剩余部分在不增减任何词的情况下还是一个完整的句子,那么这种句子是强调句。 riding bikes can save a lot of energy.It isthat第22页,共30页。Save the world我们应该购买可循环使用材料制成的物品。It is things made from recycled materials that we should buy.made from

15、recycled materials第23页,共30页。Save the world我们应该在我们的花园里种树。It is in our garden that we should plant trees. 第24页,共30页。Save the world科学家相信太阳能在未来将扮演重要角色。It is scientists who believe solar enegy will play an important role in the future. solar enegy第25页,共30页。Hey, earth. I am the human.第26页,共30页。Complete th

16、e passage.Save the world. Man: Happy Earth Day!Earth: Thank you. But olny on APril 22nd may people think of me .Man: well, its our fault. Hey , Mother earth. Are you ok?Earth: No, I am not OK.It is _that make me sick.Man: What can I do for you? Earth: Yes, there are three things hurt me most, they a

17、re _,_and water pollution. And they also hurt you. They will bring _and _.Man: I dont know what to do. I know the temperature is _. Earth: More than that. It will _(导致) lots of bad conseuences.Man: It is scientists _ worry about the rise of sea level.I know we must do something to make a difference.Earth: Just do it. Start with the small things.Like turn off the lights, Use recyclable resource,_.Man: Yes, I get it. I will walk or ride a bike as soon as I can . _.(强调句)Earth: Finally and most importantly,be an educator. Man: Ok, Ill try my best. 第27页,共30

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