Unit 3 Environmental Protection Listening and speaking (ppt课件)-2023新人教版(2019)《高中英语》选择性必修第三册.pptx

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1、Unit3 Environmental ProtectionUsing LanguageTalk about PollutionLearning ObjectivesBy the end of the class,you will be able to:1.learn about the origin of“smog”in London,the solutions UK government made to deal with the smog and learn to use the related chunks to talk about local air pollution.2.lea

2、rn to use summarizing strategy in the listening process.3.learn to express ideas about air pollution:the causes and the solutions by referring to common knowledge through discussion.Step1 Lead inWhat information can you get form this picture?The bridge is in London.The chimneys are in a power statio

3、n.the burning coalThey all look very polluted.How do these situations influence your life?These situations influence my life not only by providing electricity for me,and transporting me,but also by polluting the air I breathe.Step2 Pre-listeningDo you know what we have done to improve the environmen

4、t?protect animalsNew energy vehiclegarbage sortingStep3 While-listening Listening Tips:How can we listen for a clearer goal?I prefer to listen to the radio for many times,then I will turn to the script to understand it better.While listening,I will look at the questions first,and then circle the imp

5、ortant words.Sometime I will take notes.Listening Mission 1:learn about the cause,time and effect 1.Smog is _.A.a combination of smoke and fog B.a type of chemical2.Smog became a severe problem because people at that time _A.burn woods B.burn coal C.burn oil D.burn crops 3.The worst air pollution ha

6、ppened in London in _.A.1950 B.1951 C.1952 D.19534.The great smog in London claimed _ deaths.A.3,000 B.4,000 C.5,000 D.6,000_ Listening Tips:How can we listen for a clearer goal?While listening,we _ the questions first,and _ the important words.Which listening strategy did we use when listening?When

7、 there were numbers,we underlined the different numbers and pronounced in advance.looked atcircle Listening Mission two:Learn about the measuresTIPS:Summarize informationBen Drake,an expert on air pollution,is being interviewed on the radio.He said that smog was a severe problem_ century in Britain.

8、At that time,Britain was experiencing a boom in _.Factories and homes used _,which created smog.He also mentioned the heavy smog in London _ and caused over_ in 1952.Later the UK government restricted _ in homes and forced factories to _city centres.As smog is harmful to everyone,the expert advised

9、us to replace coal with _,use new _vehicles,and further develop _.in the early 20thindustry lots of coalwas particulary bad burning coalmove away from cleaner forms of energy energy-efficient green technology4000 deaths Take notes on what the expert said.Summarise the information you got.Step4 Post-

10、listening Look at the following pictures and discuss:1.What do you think are the major causes of smog in your city?2.What measures can government and citizens take to help address the problem?Types of pollutionLondon(1952)Your CityMajor causeSolutionscoalrestricted burn coal and forced factories to

11、move away from city centerfurniture factory emissions;vehicles emissionsrestrict the rules;advance the technology;boost industrial upgrading;plant trees;travel by green vehicles.choose green travelling;buy electric vehicles;make furniture factory restriction policy;planting trees;vehicle emissions;P

12、M 2.5(Particle Matter 2.5);anti-smog mask;thick/dense smog Discuss&speakWork in groups to talk about the causes and measures about air pollution in your city.The following expressions might help you.Sample AnswerAs is known to all,we are suffering serious air problems now.Yes,and it is obvious that vehicle emissions are the major causes.There is no doubt that the smog has already affected our life,so most people think that we should wear anti-smog masks when we are out.Thats useful!Step5 HomeworkFinish the related exercises.感谢您的观看 THANKS!

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