1、1Period 4:Listening and SpeakingUnit 3 Environment ProtectionTalk about air pollution2Before you listen,look at the pictures below and discuss the questions in groups.New energy-efficient vehicleschimneycoalsmog What information can you get from these pictures?How do these situations influence your
2、life?global warming/greenhouse gas/acid rain/lead a low-carbon life3Listen to an interview with an air pollution expert and decide whether the statements are true(T)or false(F).The expression“smog”originated in Britain and means a combination of“smoke”and“fog”.Smog became a severe problem in Britain
3、 because people at that time burnt lots of fossil fuels.The worst smog in British history happened in London in 1942.The Great Smog of London claimed 5,000 lives.Later,the UK government ordered people not to burn wood in their homes.19524000coalTTFFF4Listen again and take notes on what the expert sa
4、id.Then summarise the information you got from the interview.Summarise information In active listening,summarising helps you review the key points of a speakers message.In order to write a good summary,you must take notes of the most important points as you listen.When summarising,you need to be as
5、concise(简洁的简洁的)as possible and use your own words.5 Ben Drake,an export on air pollution,is being interviewed on the radio.He said that smog was a severe problem _century in Britain.At that time,Britain was experiencing a boom in _.Factories and homes _,which created smog.He also mentioned the heavy
6、 smog in London _ in 1952.Later the UK government restricted _ _in homes and forced factories to_.As smog is harmful to everyone,the expert advised us to _,use _,and further develop _.industry used lots of coalwas particularly bad and causedin the early 20th burningmove away from city centersreplace
7、 coalnew energy-efficient vehiclesgreen technologyover 4000 deaths coalwith cleaner forms of energy6Well,Britain was one of and factories and homes used lots of coal.When burnt,the coal produced harmful emissions which created lots of smog.In London,they also called the smog a“pea soup”because it wa
8、s as thick as soup.“Smog”comes from a combination of the words“smoke”and“fog”.It originated in Britain ,when smog was a severe problem.That sounds terrible!What problems did it cause?HostessBen Drake HostessHostessBen Drake in the early 20th centurythe first industrial countries Good morning,listene
9、rs.Air pollution is a serious problem,with urban populations particularly at risk from smog.Ben Drake is an expert on air pollution,and he is joining us today to talk about this issue.Ben,where does the word“smog”come from?Why was it so bad then?7Ben Drake HostessBen Drake HostessBen Drake Thank you
10、.Smog caused many health issues and killed many people.The worst case happened in London in 1952.Over a few days when the smog was particularly bad,4,000 deaths were recorded.It was necessary to .The UK government ordered people and forced factories to .take immediate actionnot to burn coal in their
11、 homes move away from city centresBut smog is still an important issue in many places.What can be done about it?Smog is harmful to everyone,especially to children,old people,and those with heart or lung problems.We have to and for everyones health and wellbeing.We should ,_and we need to use .We hav
12、e the ,but we must use and develop it.reduce smog improve air quality replace coal with cleaner formsnew energy-efficient vehiclestechnologyof energyYes.Lets hope we can make some big changes.Thanks,Ben.8Have you experienced heavy smog where you live?What do you think are the major causes of smog in
13、 China?Desertification BeforePresentHow?9What do you think the two people are doing?Why are they doing it?Do you believe an ordinary person can achieve great things?Yin YuzhenInner Mongolia10Yin Yuzhen moved to the desert to stay with her husband.She started to plant trees because she wanted to crea
14、te land for farming.Many of the young trees had died before they found the best plants and methods to use in the desert.After decades,about 60,000 trees have been planted.Yin Yuzhen has received awards and recognition from all over the world.Listen again and decide whether the statements are true(T)
15、or false(F).Then correct the mistakes.TFimprove the toughenvironment and cheer herself upT300,000FT11 We all to protect the environment,without which we could not survive.However,the amount and scale of environmental issues may seem too much for ordinary people.But with and ,anyone can achieve great
16、 things.One such person is Yin Yuzhen.At a young age,Yin moved to Inner Mongolia to live with her husband in the desert.She felt very lonely.To improve the tough environment and cheer herself up,Yin began planting trees to take land back from the desert.“I would rather die of from than !”she said.sh
17、are a great responsibilityhard workdeterminationtirednessfighting the sandbe buried by it12 Over more than three decades,Yin Yuzhen and her husband have planted over 300,000 trees and have taken back a large area of land from the desert.Yin has received praise and awards from all over the world.It h
18、as been said of Yin:“She is a symbol of ,and .Her work in greening the desert .”The deserts of Inner Mongolia have spread over centuries.Planting small trees was very hard work.The couple had to travel ,doing everything .At first,many trees did not survive,but over the years,she learnt from her fail
19、ures,discovering the best plants and methods to use to in the desert.on footby handcouragepatienceperseverancedeserves universal respectsuccessfully plant a forest13 It is in spiring to see a clear example of how the problem of desertification can be dealt with.Although actions may seem ,over time t
20、hey join together to become .The journey of 1,000 miles begins with one step and the will to continue,and a great forest begins with a single small tree and they will to protect and it.Take your first step.Plant your first tree.来源small and insignificantgreat achievementsnurtureTake your first step.P
21、lant your first tree.14 What is the speakers attitude towards Yin Yuzhen and her husbands actions?How did the speaker describe Yin Yuzhen?“Although actions may seem small and insignificant,over time they join together to become great achievements.”What do you think this sentence means?Do you agree?Give your reasons.
