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初三(英语(人教版))Unit-13-We’re-trying-to-save-the-earth课件.pptx

1、Unit 13 Were trying to save the earth.Period 4Learning goalsAt the end of this period,youll be able to 1.write an article to introduce environmental problems and give suggestions.2.polish an article by improving sentences,paragraphs and the passage structure.City Daily is making a survey about the e

2、nvironmental problems in your hometown.Please write a letter to the newspaper about the problems and your suggestions.Writing Task1.What types of pollution have we talked about?Which is the most serious one in your hometown?Identify the problemland pollutionwater pollutionnoise pollutionair pollutio

3、nPollution2.What causes the problem in your hometown?Analyze the problem2.What causes the problem in your hometown?Analyze the problemtransportationusing gasoline vehiclesproductionburning harmful chemicals,cooking,building houseswaste burningburning toxic pollutantsWhat can be done to solve the pro

4、blem?Brainstorm the solutionIndividual people take your own bags when going shopping turn off lights when leaving a room drive less and take more public transportation try to avoid using air conditionersGovernments or organizations teach the public about protecting the air make rules to ensure that

5、factories deal with waste in an environmental-friendly way protect forests and endangered species stop other activities seriously polluting the airAir pollution make people sick,causing breathing problems or even cancer.How can we improve this sentence?Start with sentencesAir pollution makes people

6、sick,causing breathing problems or even cancer.Use correct .grammarUse different and to enrich the sentence.Clear air is very important to both humans and the environment.How can we improve this sentence?Start with sentencesClear air is very significant to both humans and the environment.Clear air i

7、s of great importance to both humans and the environment.Clear air has great influence on both humans and the environment.wordsphrasesTo deal with the air pollution,we need to drive less.How can we improve this sentence?Start with sentencesTo deal with the air pollution,we need to drive less and tak

8、e more public transportation.or use electronic vehicles.Add more related to the sentence.informationWe need to take individual action to live a low-carbon life and work together to improve the air quality.How can we improve this sentence?Start with sentencesUse different to enrich the sentence.sente

9、nce patternsWe need to not only take individual action to live a low-carbon life,but also work together to improve the air quality.To improve a sentence,we need to:Start with sentences1.use correct grammar.2.use different words and phrases.3.add more related information.4.use different sentence patt

10、erns.We need to have less waste burning by using plastic bags again.Improve the following sentence.Start with sentencesWords or phrases:necessary,reduce,reuseInformation:close down factories that give off harmful chemicalsSentence patterns:it is.for sb.to do sth.Language SupportIts necessary for us

11、to reduce waste burning by reusing plastic bags or closing down factories that give off harmful chemicals.We had better not drive to work.We can take the subway or bus there.Improve the following sentence.Start with sentencesWords or phrases:instead ofInformation:ride a bike,walkSentence patterns:If

12、.,doing sth.is a good choice.Language SupportInstead of driving to offices,we can ride a bike or walk there,and if its too far,taking the public transportation is a good choice.Air pollution is caused by many factors.There are more cars on the road these days.Factories that burn coal pollute the air

13、 with a lot of black smoke.When dealing with rubbish,people burn waste that gives off harmful chemicals.The air is badly polluted and we can hardly see blue skies anymore.Can you compare these two paragraphs?Move on to paragraphs Air pollution is caused by many factors.First,there are more cars on t

14、he road these days.Factories that burn coal also pollute the air with a lot of black smoke.Whats more,when dealing with rubbish,people burn waste that gives off harmful chemicals.Therefore,the air is badly polluted and we can hardly see blue skies anymore.Air pollution is caused by many factors.Ther

15、e are more cars on the road these days.Factories that burn coal pollute the air with a lot of black smoke.When dealing with rubbish,people burn waste that gives off harmful chemicals.The air is badly polluted and we can hardly see blue skies anymore.Can you compare these two paragraphs?Move on to pa

16、ragraphs Air pollution is caused by many factors.First,there are more cars on the road these days.Factories that burn coal also pollute the air with a lot of black smoke.Whats more,when dealing with rubbish,people burn waste that gives off harmful chemicals.Therefore,the air is badly polluted and we

17、 can hardly see blue skies anymore.Use correct .linking wordsfirstly,first of all,in the first placesecondly,in the second placelastly,finallyto begin with,to start withbesides,furthermore,whats more,moreover(而且),in addition(此外),apart from that(除此以外)most importantly,last but not leastCan you think o

18、f more linking words?Move on to paragraphs We should take action to protect our environment.,we should turning off the tap after using it.,its very important for us to save energy.Instead of going to school by car,we can take the subway or ride a bike.,we should ask our government to control the pol

19、lution from factories.,its never too late to start recycling things.We can refuse plastic bags and choose cotton bags.Can you finish the paragraph with proper linking words?Move on to paragraphsTo begin withBesidesFurthermoreMost importantlyWhat parts does a passage usually have?Outline a passageBeg

20、inningBodyEndingCan you outline your letter to City Daily?Outline a passageBeginningthe most serious environmental problemBody causes of the pollution suggestions to deal with the problemEnding call for action/wish for a better environmentIn todays lesson,you have learnt to1.write an article to intr

21、oduce environmental problems and give suggestions.2.polish an article by improving sentences,paragraphs and the passage structure.SummaryEnvironment is no ones property to destroy.The only way forward,if we are going to improve the quality of the environment,is to get everybody involved.HomeworkFinish the letter to City Daily according to the outline by using the skills we have learnt in this class.

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