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Unit 13We are trying to save the earth. Language GoalTalk about pollution and envirnmental protectionTo talk about air pollution, water pollution and sound pollution.To think about ways of protecting the environment.To learn the new words: advantage, scientificserious pollutionWe are harming our pla in so many ways.傷害air pollutionsoil pollutionwater pollutionthe earth song by Michael Jackson !!!Factories pour dangerous gases into the air.Cars also pour dangerous gases into the air.tail gasair pollution!The weather is always foggy. We can’t see the blue sky. We can’t breathe the fresh air. Do you know why? 216。 Factories produce too much dangerous smoke. 216。The traffic produces too many fumes. 216。Some people smoke in public places. Dad, what’s the acid rain?Natural resources are disappearing at a dangerous rate. 以危險(xiǎn)的速度Group One Group Two Group Three desert滅絕extinctHelp save the earth We must think of better way to treat our pla in future.What do you usually do ?Are you a friend of the Earth? Take this quiz.STARTYou drink a can of cola. What do you do?I throw away cans.I recycle cans.You throw away the cans. That’s bad for the Earth.You recycle the cans.That’s good for the Earth.There are a lot of old newspapers at your home. What do you do?I throw the old newspapers away.I recycle the old newspapers.You throw old newspapers away.You waste paper.That’s bad for the Earth.You recycle old newspapers. You save paper.That’s good for the Earth.You go shopping. What do you do?I use a lot of new plastic bags.I use my own bag.You use a lot of new plastic bags. That’s bad for the Earth.You use your own bag.That’s good for the Earth.When you write on a piece of paper, what do you do?I write on one side only.I write on both sides.You use paper on one side only.That’s bad for the Earth.You use paper on both sides.That’s good for the Earth.? 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 a room。? use paper or resusable bags。? recycle books and paper。? turn off the shower when you wash your hair。? don39。t use napkins。? rethink,reuse, recycle ... ...industryharmfulcostwoodenplasticaffort n. 工業(yè)adj. 有害的v. 花費(fèi)adj. 木制的adj. 塑料的v. 支付的起Words and expressionsmake a differencetake part inturn offpay forcut downlead to 起作用;有影響參加關(guān)掉付費(fèi);付出代價(jià)減少導(dǎo)致Words and expressionsvWe’re trying to save the earth. 我們?cè)谂φ鹊厍?。v The rive used to be so clean. 這河流過去是如此的清澈。v The air is badly polluted. 空氣被嚴(yán)重污染。v The method is not only cruel, but also harmful to the environment. 這種方法不僅殘酷,而且對(duì)環(huán)境也有害?;?礎(chǔ)預(yù)習(xí)寫出下面 單詞 的意思litter________ bottom________fisherman_________ugly__________cost________plastic________coal_______advantage_______wooden_______把下面的短 語(yǔ) 與 漢語(yǔ) 意思 連 起來。make a diffenencecut downlead to be full of play a part in 導(dǎo)致起作用減少參與充滿