1、Unit 13 Were trying to save the earth!R九年级全一册九年级全一册Section B 3a-Self CheckPhrases review1.充满充满2.扔进扔进3.在在起作用起作用4.扔掉扔掉5.减少减少be full of throwinto play a part in throw away cut down 6.起作用；有影响起作用；有影响7.导致导致8.切除切除9.不但不但而且而且10.对对有害有害make a difference lead to cut off not onlybut also be harmful to 11.在在顶部或顶端
2、顶部或顶端12.科学研究科学研究13.参加参加14.帮助解决难题帮助解决难题15.关掉关掉at the top of scientific study take part in help out turn off 16.付费；付出代价付费；付出代价17.加起来加起来18.采取行动采取行动19.好好利用好好利用20.拆下；摧毁拆下；摧毁pay for add up take action put sth.to good use pull.down 3aThink about the environment in your town/city and complete the chart belo
3、w.l Which parts of the town/city have a nice environment?Why are they nice?l Which parts need to be improved?Why?Good environmentWhy?Central parkcleangreeneryfresh airnice to look atquiet and peacefulBad environmentWhy?Rubbish disposal areas at the bottom of apartment blocksrubbish spilling out of b
4、insbad smellsunsightlyunhealthyfull of pests like rats,insects,cockroaches3bWrite a letter to the city mayor about the problems and your suggestions.In your letter,describe the environmentalproblems in your town/city.l What are the problems?l Where are they?l What or who is causing these problems?Th
5、en,give suggestions or possible ways to solve the problems.I think that We should/could I suggestTo protect the environmentTopicEnvironmental problems 思路点拨思路点拨noise pollutionwaterpollutionair pollutionWhat caused these problems?carsfactoriesindividualblack smoke and poisonous gas black smoke and was
6、tethrow rubbish everywhere 句型复习句型复习1.这条河很脏，甚至河底都堆满了垃圾。这条河很脏，甚至河底都堆满了垃圾。The river was _.Even the _ the river _ rubbish.2.为了减少空气污染，我们应该乘公共汽车或坐地为了减少空气污染，我们应该乘公共汽车或坐地 铁来代替开车。铁来代替开车。To _ air pollution,we should take the bus or subway _.was full ofinstead of drivingdirtybottom of cut down 3.我们齐心协力就能带来变化，创
7、造更加美好的我们齐心协力就能带来变化，创造更加美好的 未来。未来。Our _can _ and _ a better future.4.骑自行车还有其他的优点。骑自行车还有其他的优点。There are _of bike _.ridingactionsmake a difference lead toother advantages 5.当你离开房间的时候，你应该关灯以节约用电。当你离开房间的时候，你应该关灯以节约用电。You should _ by _ the lights when you leave a room.6.你经常扔掉你不再需要的东西吗？你经常扔掉你不再需要的东西吗？Do yo
8、u often _ things you _ anymore?dont needsave electricity turning offthrow away 写作模板：写作模板：1.1.开篇点题，说明环境污染问题的严峻性。开篇点题，说明环境污染问题的严峻性。Environmental problems are With the,there are too manyCars have madeBlack smoke andby factories.Factories alsoAnd wherever2.2.说明环境污染的原因说明环境污染的原因3.3.给出建议和可行方案给出建议和可行方案I thi
9、nk that governments shouldI suggest everyone inWe should call on4.4.结尾：寄予期望结尾：寄予期望 I hope theDear Sir/Madam,Environmental problems are becoming more and more serious all over the world.With the development of the society,there are too many cars on the streets in our city.Cars have made the air unhea
10、lthy for people to breathe.Black smoke and poisonous gas are given off by factories.Factories also put waste into the river.And wherever we go,we can find rubbish.Environmental problems are becoming more and more serious all over the world.开篇点题开篇点题carsFactories说明原因说明原因 范文赏读范文赏读 Now more and more peo
11、ple have realized these problems.I think that governments should close down the factories and develop laws to stop people from driving cars every day.I suggest everyone in this town should help to clean up the river and the streets.We should call on everyone in the town to throw rubbish in the dustb
12、ins.I hope the problem will be solved in the near future and our home will become better and better.提出建议提出建议寄予期望寄予期望Self Check1.Write different forms of the words.Then add more to each group.v.n.pollute act protect inspire build create pollutionactionprotectioninspirationbuildingcreationfame wood sc
13、ience health south care famouswoodenscientifichealthysoutherncarefuldifferent important Others:sunny noisy harmful beautiful differenceimportancen.adj.adj.n.sunnoiseharmbeautyadj.adv.slow wide sudden real quick true happy loud slowlywidelysuddenlyreallyhappilyloudlyquicklytruly2.Match each statement
14、 with the grammar structure.Statement Grammar The river used to be so clean.Present progressiveWe have seen many changes in the environment.Modal verbsPeople should take public transportation more.Passive voiceThe river is polluted by factories.used to The air pollution is getting worse and worse.Pr
15、esent perfectLanguage pointsThe air pollution is getting worse and worse.worse and worse 越来越糟越来越糟例句：他变得越来越高了。例句：他变得越来越高了。He is getting taller and taller.结构：结构：比较级比较级+and+比较级比较级 越来越越来越3.Write ways to cut down on these kinds of pollution.Kinds of pollutionWays to cut downwater pollutionland pollution
16、Ask factories not to throw waste into rivers.Try not to use plastic bags when shopping.Kinds of pollutionWays to cut downnoise pollutionair pollutionCut down the number of cars.Reduce the number of factories that burn coal.课堂小结：写作课堂小结：写作阐述观点和重要阐述观点和重要性，引出下文性，引出下文提出保护环境的提出保护环境的具体建议具体建议提出号召和倡议提出号召和倡议A
17、 clean environment can But now is has becomestop driving our private cars;sort the rubbish in different kinds;turn off the lightstake actionExercise1.Not only my friends but also I _ interested in football and Messi is our favorite star.A.be B.am C.is D.are2.Look!The police _ the food onto the bank
18、of the river.A.am carrying B.is carrying C.are carrying D.are carried 3.At present,one of the best ways to study is working in groups.More chances _ to students to learn from each other.A.offer B.are offered C.have offered D.are offering 4.Mr.Li will check our homework this afternoon._ you _ it?Not
19、yet.Im doing it right now.A.Do;finish B.Had;finished C.Will;finish D.Have;finished5.I heard that Line I of Ningbo Subway _ last month.A.was tested B.is tested C.tests D.testedHomework1.Put key words,sentences in this unit to good use and write a letter to your parents or teachers about the problems and your suggestions.2.Do the exercises.
