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1、Period 1 1a-1c Unit 13 Were trying to save the earth.SectionATo talk about air pollution, water pollution and sound pollution.To think about ways of protecting the environment.To learn the new words: litter, bottom, fishermenLook at our earth!The earth is polluted.Factories burn coal(煤煤). They pour
2、dangerous gas(气体气体) into the air.air pollutionCars also pour dangerous gas into the air.Some people smoke in public places. Factories put waste into the river.People throw litter into the river.The bottom of the the river is full of rubbish.serious pollutionWe are harming our planet in many ways.伤害伤
3、害air pollutionnoise pollutionwater pollutionHelp save the earth We must think of ways to protect the earth.What should we do after drinking a can(罐罐) of cola?We shouldnt throw away cans. We should recycle(回收利用回收利用)cans.Thats good for the earth.You shouldnt throw old newspapers away. You should recyc
4、le old newspapers. In that way you can save paper. There are a lot of old newspapers at your home. What should you do?You shouldnt use plastic bags.You should use your own bag. Thats good for the earth.What should you do when you go shopping?When you write on a piece of paper, what should you do?You
5、 shouldnt write on one side only.You should write on both sides.close down the factories;help to clean up the river; take the bus or subway;ride a bike;bring a bag to go shopping, throw rubbish in the cans; turn off the lights when you leave the classroomrecycle books and paper;turn off the shower w
6、hen you wash your hair1aHere are some words related to different kinds of pollution. Write them in the box below. Then add more words.noise pollution _air pollution _water pollution _loud musicplanesmobile phonesfactoriescarssmokingshipsfactorieslitteringrubbishplanesbuilding housesloud music cars r
7、ubbish planeslittering 废弃物废弃物 ships factories smokingbuilding houses mobile phones1bListen and complete the sentences.What was the problem?The river was _. Even the bottom (底部底部) of the river was full of _. There were no more _ for fishermen (渔民渔民) to catch.really dirtyrubbishfishWhat caused the pro
8、blem?People are throwing _ into the river. Factories are putting _ into the river.How should the problem be solved?We should write to the _ and ask them to _ the factories. Everyone should help to _ the river.litterwastegovernmentclose downclean upListen again and check () the sentences you hear.1.
9、We could go fishing in the river.2. The river was really dirty.3. The river has always been the nicest river in this town.4. We should ask the teachers for help.1cThe river was dirty. Even the bottom of the river was full of rubbish.But it used to be so clean!Yes, but people are throwing litter into
10、 the river.Everyone in this town should play a part in cleaning it up!Make conversations using the pollution in 1a.The river has always been the nicest river in this town.Yes, it used to be so clean.What caused the problem?But I was there last weekend and the river was really dirty.Factories are als
11、o putting waste into the river.People are throwing litter into the river.What should we do?Yes, everyone in this town should play a part.We should write to the government and ask them to close down the factories.What else can we do?Everyone should help to clean up the river.1. Were trying to save th
12、e earth! 我们正在竭尽全力拯救地球我们正在竭尽全力拯救地球! try to do =try ones best to do 努力去做某事。努力去做某事。 e.g. Every student should try to study hard in order to get good grades.2. Here are some words related to different kinds of pollution. be related to 与与有关有关 e.g. I am not related to him in any way. 我和他无任何关系。我和他无任何关系。 3.
13、 Everyone in this town should play a part in cleaning it up! play a part in 参与，参与， 在在中起作用中起作用 e.g. Computers play an important part in our daily life. Everyone should play a part in saving the earth.4. Even the bottom of the river was full of rubbish. Yes, but people are throwing litter into the river.litter和和rubbish都可指都可指“垃圾垃圾”，用作不可数名，用作不可数名词词。rubbish指指“没用的东西没用的东西(被扔或将要丢弃的无用被扔或将要丢弃的无用的东西的东西)”不可回收不可回收。 litter指指“(室内或公共场所室内或公共场所)乱扔的废物乱扔的废物(纸屑、不要的包装纸、废瓶等纸屑、不要的包装纸、废瓶等)”还还可回收。可回收。e.g. Throw the rubbish out. 把垃圾扔出去。把垃圾扔出去。Pick up your litter after a picnic. 野餐后将废弃物收拾好。野餐后将废弃物收拾好。