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1、Unit4 Grobal WarmingUnit4 Grobal WarmingListening Listening 2021/8/8 星期日1 Listen and decide which statement Professor Chen does NOT agree with.1.Well have to stop using fossil fuels.2.About 90%of the worlds energy comes from fossil fuels.3.We can replace fossil fuels with renewable sources of energy
2、.4.Nuclear power is a good source of energy.5.In the future,well need new technologies to replace fossil fuels.6.Its the developed countries who are to blame for producing most of the carbon dioxide.P31P312021/8/8 星期日2Listen again and tick the phrases that Professor Chen uses to agree or disagree wi
3、th Li Bin.agree()disagree()Exactly.()Im afraid I disagree with you.()Thats true.()Im afraid not.()Thats right.()I dont think so.()Thats correct.()No way.()I agree.()I dont agree.()2021/8/8 星期日3Listening Text on Page 31 FOSSIL FUELS AND OTHER FROMS OF ENERGY Li Bin,a university student,is interviewin
4、g Professor Chen on the local student radio station about the use of fossil fuels and other sources of energy.LI BIN:Professor Chen,Ive read that we have to stop using fossil fuels if we want to reduce the amount of carbon dioxide in the air.CHEN:Yes,thats right,Li Bin.However,this will be very diff
5、icult.You see,our modern industrial societies depend on the energy we get from fossil fuels.Its a very concentrated and cheap form of energy.So were going to keep using it and therefore keep putting carbon dioxide into the air.2021/8/8 星期日4LI BIN:Is it true that about 90%of the worlds energy comes f
6、rom fossil fuels?CHEN:Yes,thats correct.And there is enough coal,gas and oil to last for centuries.LI BIN:Cant we just replace fossil fuels with renewable sources of energy like sun or wind power?CHEN:Im afraid not.Its not that simple.Renewable energy is not concentrated enough.And you need huge are
7、as of land to produce large quantities.Its just not possible not with the technology we have at present anyway.LI BIN:What about nuclear power?Thats a good source of energy.CHEN:Yes,I agree.Its concentrated and doesnt produce carbon dioxide but there is a limited amount of uranium the material you n
8、eed to make nuclear power.And many people dont like it because of past accidents like the one at Chernobyl.2021/8/8 星期日5LI BIN:So what can we do?CHEN:Well,we need to find ways of using fossil fuels that dont put carbon dioxide into the air.And we need to produce more products that use less energy.It
9、 would also help a little if individuals cut down on the energy they used.LI BIN:But,sometime in the future,well need new technologies that will replace fossil fuels.CHEN:Exactly.However,whatever we do,we have to do it as a global community.That means developed and developing countries will have to
10、work together.LI BIN:But its not the developing countries who put the most of the carbon dioxide into the air.The developed countries are really the ones to blame.CHEN:Yes,thats true.But,we still have to work together because global warming is going to affect everyone.If our children and our childre
11、ns children are to have a good future,we must ALL look after this planet.2021/8/8 星期日6 Listen to the tape and discuss the questions in pairs or groups.1.What is Millennium Kids?2.when did it star?3.Who goes to the yearly conference and what happens there?Its an organization run by kids for kids who
12、are concerned about the environment.In 1996.Kids from all over Australia and from other countries;they decide which projects to work on in the following year.P62P622021/8/8 星期日74.What does the play“The Horse who Saved the World”teach students?5.If you wanted to do something for the environment,what
13、would you do?It teaches them about greenhouse gases and how they can cut down greenhouse gases bynot traveling to school by car so often.Youd decide on an environmental problem that youd like to solve.Then youd work out a plan of action that has all the steps needed tosolve the problem.2021/8/8 星期日8
14、6.What are three examples of projects that children have worked on?7.Where can you find out more about Millennium Kids?8.Why does Julie belong to Millennium Kids?Planting trees at school or on farms;lookingafter a piece of land;developing activitiesthat reduce,reuse and recycle waste.On the Internet
15、/on their website.Because she believes that if we dont carefor the environment,we and future childrenwont be able to survive.2021/8/8 星期日9Listen to the tape again and fill in the information sheet.Name of the organizationIts purposeTime when it was set up Examples of activitiesMillennium KidsIts for
16、 kids who are concerned about the environment.In 1996A yearly conference;school programmes e.g.a play called“the Horse who Saved the World”;environment projects.2021/8/8 星期日10Examples of projectsOther informationPlanting trees at school or on farms looking after a piece of land developing activities
17、 that reduce,reuse and recycle waste,such as plastic bagsThey have a website.2021/8/8 星期日11Listening Text on Page 62 MILLENNIUM KIDSJulie(J),a teenager who belongs to an organization in Australia called Millennium Kids,is visiting a class.The teacher(T)and students(S)are asking her questions about t
18、he organization.T:Julie,can you tell us about Millennium Kids?J:Sure.Its an organization run by kids for kids who are concerned about the environment.S:How was it started?J:It was started by four western Australian kids who organized a childrens conference on the environment in 1996.Now we hold a co
19、nference every year.Kids come to it all over Australia and also from other countries.Its great fun.And we decide which projects well work on in the following year.S:What sorts of things do you do?2021/8/8 星期日12J:All sorts.For example,we have a school programme that helps kids understand about greenh
20、ouse gases.Actually,we perform a play called“The Horse who Saved the World”.We teach kids that they can cut down greenhouse gases by not traveling to school by car so often.Its so much better for our environment if we walk,ride a bike or go by bus,isnt it?(murmers of agreement)S:Well,I already walk
21、to school so what else could I do?J:Oh,lots of things.You could work on a project with your friends.Youd decide on an environmental problem that youd like to solve it has to be one you think you can solve it might be something to do with native animals,trees,air,water or waste.Youd work out a plan o
22、f action that has all the steps needed to solve the problem.S:What are some of the projects kids have done?2021/8/8 星期日13J:Oh,there are so many.Lets see planting trees at school or on farms;looking after a piece of land;developing activities that reduce,reuse and recycle waste.Actually,at the moment
23、,were asking kids to find ways of reducing,reusing and recycling plastic bags they are such a problem.S:Do you have a website?J:We certainly do.Ill write it on the board later.T:Well,Julie,Millennium Kids sounds like a really good idea.J:Yes,I love being a Millennium Kid.If we dont care for the envi
24、ronment,you,I and future children wont be able to survive.Thats a pretty good reason to do something,dont you think?2021/8/8 星期日14Listening task Listening task 2021/8/8 星期日15Listen and notice the dates Tom mentions,what happened on these dates and any other interesting facts.Year Event Facts about t
25、he event198719891990Ian Kierman competed in an around-the-world yacht raceClean-up day for SydneyHarbourthe first Clean Up Australia DayHe was shocked at the pollution in the ocean.40,000 volunteers;collected old car bodies,plastics,glassbottles,cigarette butts.300,000 volunteers2021/8/8 星期日16200119
26、932001Clean Up Australia Day the first Clean Up the World Clean Up the Worldmost common kinds of rubbish:cigarette butts,glass bottles and plastics bags.30million volunteers in 80 countries40 million volunteers in 128countries;cleaned streets,beaches,river banks and parks2021/8/8 星期日17Listening Text
27、 on Page 65Tom is giving a talk to his class about Clean Up Australia Day.Today Im going to talk about Clean Up Australia Day.Clean Up Australia Day is one day in the year when people get together and clean up their environment.Clean Up Australia Day started with this man Ian Kiernan,Ian is a great
28、sailor and in 1987 he competed in an around-the-world yacht race.When he was sailing in this race,he was shocked at the pollution in the worlds oceans.There was rubbish floating everywhere.So when he got back to Sydney he started organizing a clean up day for Sydney Harbor.In 1989,40,000 people volu
29、nteered to clean up the harbor.They collected tons of old car bodies,plastics of all kinds,glass bottles and cigarette butts.Clean Up Australia Day2021/8/8 星期日18 It was so successful that Ian organized the first Clean Up Australia Day.More than 300,000 people volunteered to help the first time it wa
30、s held in 1990.After that in March,every year,more and more people help.Heres a table showing the most common kinds of rubbish found in 2001 on Clean Up Australia Day.You can see that the top three are cigarette butts,glass bottles and plastic bags.As much of the rubbish as possible is recycled abou
31、t 20%and-the rest goes to rubbish tips.Clean Up Australia Day works very well there are now many places that wont need cleaning this year because theyre still clean from the last Clean Up Day.In fact,it has been so successful that we now have Business Clean Up Day,Schools Clean Up Day,as well as Cle
32、an Up Australia Day.2021/8/8 星期日19 After he started Clean Up Australia Day,Ians next goal was to take his idea to the world.He got the support of the United Nations Environment Programme and,as a result,Clean Up the World started in 1993.In Clean Up the Worlds first year 30 million people in 80 coun
33、tries were involved on a weekend in September.In 2001,about 40 million people from 128 countries took part.They cleaned streets,beaches,river banks and parks.I think Ian Kiernan is a wonderful man.Hes an inspiration to people who dont want to feel helpless about world problems.People feel that they
34、can take control of the problems themselves,and not wait for governments to act.It also helps them to know that communities all around the world are improving their environment too.(sound of students clapping)2021/8/8 星期日20Using Words And Expressions:Answer key for Exercise 1:1.pollution 2.statement
35、 3.agreement 4.reduction 5.catastrophic 6.electrical 7.existence parable 9.risky 10.seriousness 11.climatic 12.doubtful2021/8/8 星期日211.It would make a big difference to our environment if we planted more trees around the school.2.The research resulted in a better understanding of changes in the clim
36、ate.3.I think our conference was very successful on the whole.4.There is a wide range of energy sources:coal,oil,natural gas,water power,nuclear power and so on.5.I think people turn up the heat in their houses too high and just waste energy.Answer key for Exercise 2:(P64)2021/8/8 星期日226.Even if the
37、re is a steady decrease in the use of oil fuels,the earth will still keep warming up.7.The headmaster has stated that he is not going to put up with littering in the school.8.Since your bicycle is broken,you can use mine,so long as you take care of it.9.The consumption of the energy sources in the U
38、SA is almost 6 times as much as the average consumption of the whole world.10.Ive glanced at your plan,so now I want you to finish your final report.2021/8/8 星期日23P64 Using Structures:1.in 19962.children3.on the Internet4.at the yearly conference5.plastic bags2021/8/8 星期日241.It was in 1996 that the
39、childrens conference2.It is children that /who run3.It is on the Internet that we can 4.It is at the yearly conference that the young people5.It is plastic bags that Millennium Kids P64 Using structure2021/8/8 星期日25Answer key for Exercise 2:(P64)1.Indeed,it was four Australian children who started i
40、t in 1996 when they organised the first childrens environmental conference.2.It is at this conference that we decide which projects we want to work on in the following year.3.3.It was through one of these projects about five years ago that I first become involved in Millennium Kids.2021/8/8 星期日26Rea
41、ding Task(P66)Clean Up Your Butts And Bags1.What are in the pictures?There are cigarette butts and plastic bags.2.How many cigarettes are smoked in China each year?Over 1,600 billion cigarettes are smoked each year in China.3.How many butts are littered worldwide?About 4.5 trillion butts are littere
42、d every year.2021/8/8 星期日274.What do butts contain?Butts contain some very toxic chemicals.5.Why is this a problem?Because butts spoil the beauty of the environment,the toxic chemicals in butts find their way into the water supply where they decrease the quality of the water and endanger plants and
43、animals that live there.6.How long do they take to break down?They take up to 5 years to break down.2021/8/8 星期日287.What are plastic bags made from?They are made from oil and gas,which are non-renewable resources.8.Why is this a problem?Because they are not recycled,these resources are lost to us.9.
44、How long do they last?They last from 20 to 1000 years in the environment.2021/8/8 星期日2910.Where do they end up?They float easily in air and water and travel long distances.They find their way to rivers,parks,beaches and oceans.11.Why are they such a problem for sea animals?Because they kill up to on
45、e million seabirds,100,000 sea mammals and countless fish each year worldwide.When the animal dies and breaks down,the plastic bag can become free again to kill another animal.2021/8/8 星期日30Ex.1 4.Toms solutions:1)Put them in the rubbish bin.2)Not to let plastic bags become litter.3)It would be bett
46、er if they used fewer.4)Recycled them.5)Not to smoke.6)Not use plastic bags at all.2021/8/8 星期日311.clean up彻底清理；整理clean up the desk 整理书桌清理掉；清除The waiter hurried to clean up the pieces of the broken plates.服务员赶紧把盘碟的碎片打扫干净。2.break downv.毁掉,制服,压倒,停顿,倒塌,中止,垮掉,分解,起化学变化1)Food is broken down by chemicals.化
47、学物质引起食物转化。2).because they can take up to five years to break down.Language Points2021/8/8 星期日323.up to（数目）到之多up to 100 men 可达一百人直到（某个高级职务）Everyone works,from the lift boy up to the President.从电梯工人到总经理人人都工作。一直到(=up till)up to now 到目前为止,胜任Michaels not really up to that job.迈克尔确实不胜任那项工作。be up to 做（坏事）W
48、hat in the world are you up to?你到底在搞什么鬼？up to sb.应由某人,视为某人的职责Its up to us(=Its our duty)to give them all the help we can.2021/8/8 星期日33up to date现代的；最新的It was a modern factory-everything was really up to date.这是一个现代化的工厂一切都是最新式的。I like wearing up-to-date clothes.我喜欢穿时新的衣服。I keep up to date with the n
49、ews by listening to radio.我通过听收音机了解最新消息。包括最新资料的add up to总计为，总数达2021/8/8 星期日344.trillion 万亿5.apart from 除外1)All the children like music apart from Bobby.除了博比外所有的孩子都喜欢音乐。2)The writer lives apart from his family.作家不与家人同住。3)Apart from a few words,I do not know any French at all.除了很少的几句外,我对法语一无所知。2021/8/
50、8 星期日352021/8/8 星期日362021/8/8 星期日379、静夜四无邻，荒居旧业贫。2022/11/262022/11/26Saturday,November 26,202210、雨中黄叶树，灯下白头人。2022/11/262022/11/262022/11/2611/26/2022 6:30:04 PM11、以我独沈久，愧君相见频。2022/11/262022/11/262022/11/26Nov-2226-Nov-2212、故人江海别，几度隔山川。2022/11/262022/11/262022/11/26Saturday,November 26,202213、乍见翻疑梦，相