外研英语必修3Module4Writing(共34张)课件.pptx--（课件中不含音视频）

1、environmental problemsWritingStep 1:Pre-writingBrianstorm-ideas about the sandstormclimate changespeople cut down trees&dig up grassdesertificationplant more trees and grassa serious problemsuggestionseffectscausing traffic accidentsarouse awareness of environmental protectionStep 2:While-writingLea

2、rn some words,phrases and sentence patterns.Instruct how to write a composition about environmental problems.Words环境 _ 保护_沙漠化_ 砍伐_政府_ 自然灾害_沙尘 _ 阻止，预防_处理，解决_environmentdesertificationgovernmentdustsolveprotect/protectioncut downnatural disasterpreventPhrases采取措施做._ 处理 _环境问题_ 导致_做.的方法_ 由.引起_对.有害_ 对.有好

3、处 _在.中起重要作用_呼吁某人做某事_take measures to do.environmental problemdo damage/harm to.do good to.deal withresult inway to do.result fromplay an important part incall on sb.to do sth.Sentence patterns1.Environmental problems are becoming more and more serious all over the world.2.has been one of the major e

4、nvironmental problems in.3.It is caused by./It results from./.results in.4.There are several ways to./suggestions that.5.In order to.,we should/can/need to/d better.6.It is+adj.+for sb.to do sth.主+make/think.it+adj+for sb.+to do sth.Transitional Words1.first.second.third.2.whats more/besides/moreove

5、r/in addition3.last but not least 最后但同样重要的是.4.in a word/all in all.01Introduction02Causes03Measures04ConclusionWriting structures:1.Briefly describe this environmental problem.One major environmental problem is.2.What cause this problem(reasons).The reason why.is that.Here are some reasons for it.Re

6、asons can be listed as follows.3.Suggest a solution(solutions).Some measures can be taken to solve the problem.People have come up with many solutions.4.Summarize what you have said in one or two sentences What makes a good composition?Topic Sentences1Tr a n s i t i o n a l Words2Advanced sentences

7、structures3less grammar mistakes4.5An example Environmental problems are becoming more and more serious all over the world.Sandstorms are _(主要问题之一).It is caused by _(沙漠化),which results from _(砍伐树木),digging up grass and climate changes.Sandstorms _(给人们生活造成巨大危害)peoples life._(对人们来说外出是不方便的)when a sands

8、torm comes._(此外),_(开车)in a sandstorm is also dangerous.one of the major problemsdesertificationcutting down treesdo great damage toIt is inconvenient for people to go outBesidesdriving carsAn example There are several ways to help solve the problem.First,the government should _(采取措施种植更多的树木和草地).Secon

9、d,_(我认为适当放牧是重要的)graze livestock properly._(第三),in order to prevent sandstorms,_(我们最好呼吁更多的人来保护环境).take measures to plant more trees and grassI think it important toThirdwed better call on more people to protect the environmentDo you know some other environmental problems?noise pollutionnoise pollutio

10、nwater pollutionwater pollutionpetrol pollutionpetrol pollutionair pollutionair pollutionThe things you can do:(the more,the better)For example:We should try to avoid using plastic bags.You can use:We shouldWe need toWe must Turn off lights,television sets and computers when were not needed.Use as l

11、ittle paper as possible.Print and copy on both sides of paper.Use recycled paper whenever possible.Leave the car at home walk or bike for short trips.For longer trips,take the train.Keep to the speed limit.Driving at 100 km/hr.Tree planting.Green purchasing practices and policies.Step 3:Post-writing

12、Finish correcting an composition about environmental problem These days,breaking traffic rules and littering are not uncommon,cause serious harm to our life so well as the environment.Changing this situation require our considerable effort.As for me,it cant be the better way to start on my way to sc

13、hool.I will keep traffic rule in mind along the way.In other words,if I will ride a bicycle,Ill keep to the right and never cross a road until the traffic light turned green.Meanwhile,Ill regard it as your duty to help keep our environment health and clean.I hope my behavior will make a difference.I

14、 sincerely appeal us students to protect our environment.Answers:1.cause causing 2.soas 3.require requires 4.the a5.rule rules 6.去掉will 7.turned turns 8.your my 9.health healthy 10.appeal 后+to Step 4:HomeworkWrite a composition according to the demands.假设你是校学生会主席,为了解决城市空气污染问题你代表学生会向全校师生发出倡议。请根据以下要点，

15、用英语写一份倡议书：1简述城市空气污染的危害；2提出解决该问题的建议：(1)尽量少开车；(2)不随地扔垃圾；(3)关闭一些工厂；3发出号召。注意：1.词数：100左右；2可以适当增加细节，以使行文连贯；3开头与结尾已为你写好，但不计入总词数。Dear teachers and students，_ Thank you!The Student UnionDear teachers and students,These days one major environmental problem in our city is air pollution.Every day we have to tak

16、e in very dirty air,which does great harm to our health.To make the air in the city fresher,we should keep the following in mind.Firstly,we should take a bus or ride a bicycle instead of driving a car and try to use cleaner fuels.Secondly,we should not throw litter here and there but put it into the dustbin.Thirdly,some factories should be closed or moved out of the city.Finally,we need to plant more trees or grass to make the air fresh.Lets take action and try our best to make the air in the city cleaner!Thank you!The Students Union Thank you!Thank you!