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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 planet in so many ways.伤害伤害air pollutionsoil pollutionwater pollutionthe earth song by Michael Jackson !Factories pour dangerous gases into the air.Cars also pour dangerous gases into the air.air pollution!The weather is always foggy. We cant see the blue sky. We cant breathe the fresh air. Do you know why? Factories produce too much dangerous smoke. The traffic produces too many fumes. Some people smoke in public places. Dad, whats the acid rain?Natural resources are disappearing at a dangerous rate.以危险的速度以危险的速度HELP SAVE THE EARTH We must think of better way to treat our planet in future.Mark: The river was dirty. Even the bottom of the river was full of rubbish.Tony: But it used to be so clean!Mark: Yes, but people are littering in the river.Tony: Everyone in this town should play a part in cleaning it up! Role-play the conversation. Then make your own conversations about the kinds of pollution in 1a.1c1c辨析：辨析： turn, get与与become(1) become 多指身份，职位等的变化，多指身份，职位等的变化，它强调变化过程已经完成，后面可以接名词它强调变化过程已经完成，后面可以接名词或者形容词。或者形容词。 He becomes a teacher.(2) get多用于口语，表示一种变化过程，多用于口语，表示一种变化过程，强调的是强调的是“渐渐变化渐渐变化”后常接形容词的比较级形式。后常接形容词的比较级形式。Language Pointsnoise pullotionair pollutionwater pollutioncars, factories, smoking, building houses(burning, power plants, nuclear waste disposal)Loud music, planes, building houses, mobile phones(machines,crowds, vihicles)rubbish, littering, ships, factories(sewage, industrial waste, pesticides)Listen and complete the sentences.1b1bwhat was the problem?The river was _. even the bottom of the river was full of _. there were no more _ for fishmen to catch.really dirtyrubbishfishwhat caused the problem?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 up2a2a Listen to the interview. Circle the kinds of pollution that Jason andSusan talk about. A. land pollution B. air pollution C. noise pollution D. water pollution1. The air is badly polluted because there are _on the road these days.2. Factories that burn coal also _ the air with a lot of black smoke.3. There is also too much rubbish and waste. People _things away every day.4. People are also littering in_ like parks. Th is turns beautiful parks into ugly places.more carpolluteare throwing awaypublic places2b2b Listen again and complete the sentences. In winter the days get shorter. 冬天白天渐渐变短。冬天白天渐渐变短。(3) turn 指的是在颜色和性质等方面与以前指的是在颜色和性质等方面与以前的完全不同，强调变化的结果。的完全不同，强调变化的结果。 leaves turned brown in the mountains. 山里的树叶已经变成了棕色。山里的树叶已经变成了棕色。 ：uHer mother _ angry when she heard the news.uIts _ darker and darker outside.uThe milk has _bad.becamegettingturned cut down, 意为意为减少减少； 是是“动词动词+副词副词”结构的短语，后结构的短语，后面所带的宾语为名词时，宾语可以位于面所带的宾语为名词时，宾语可以位于down的前面或后面；的前面或后面；为代词时只能位于为代词时只能位于down前面。前面。 Youd better cut the article down to about 2000 words. cut 后接后接off, into,up, in 的不同：的不同：cut off切断；切除切断；切除cut into把把.切成切成.cut up切碎切碎cut in 插队插队花费花费主语主语表示内容表示内容spend人人宾语可以是钱，精宾语可以是钱，精力，时间等。力，时间等。cost物或事物或事后接后接life，money，health，time等，等，侧重与花费的代价侧重与花费的代价take事或人事或人说明事情完成花费说明事情完成花费了了.辨析：辨析：spend, cost, take, pay花费花费主语主语表示内容表示内容pay人人支付支付 作为及物动作为及物动词，可以是词，可以是 pay sb 或或pay some money；作为不及物动词，作为不及物动词，形式为形式为pay for。for表支付的原因。表支付的原因。1. Do you take exercise everyday? Yes, I always _ thirty minutes after supper. A spend B cost C take D pay2. I _ 300 yuan for the bike. A took B spend C cost D paid用方框中所给词的适当形式填空。用方框中所给词的适当形式填空。1. Dont throw _(垃圾垃圾) everywhere.2. In winter, many people burn _(煤煤) to keep warm.3. The police found a body at the _(底部底部) of the lake.4. The _(花费花费) of living in big cities is very high.5. He keeps a rabbit in a big _(木制的木制的) box.cost wooden, coal , bottom, littercost woodencoalbottomlitter1. He _ go out with his parents, but nowhe _ stay at home alone. A. use to; is used to B. is used to; used to C.use to; used to D. is used to; is used to2. The interesting book _ me 10 yuan. A. took B. paid C. spend D. costChoose the best answer.3. We must do something useful to _ pollution. A. cut off B. cut up C. cut down D. cut in4. Smoking can _ lung cancer. youd bettter give it up. Awork on Blead to Ctake away Dput out5. What are the _ of bike riding? - It can help cut down air pollution. Aadvantage Breasons Cresults Dideas1. 多一个人少一个人无所谓。多一个人少一个人无所谓。 One person wouldnt _ _ _. 2. 这个木箱时装满了书。这个木箱时装满了书。The _ box _ _ _ books. 3. 不健康的饮食对这种疾病的传播起一定的作用。不健康的饮食对这种疾病的传播起一定的作用。 Unhealthy foods _ _ _ _ the spread of the disease. 4. 这条小路通向公园。这条小路通向公园。 The path _ _ the park. 5. 我错拿了你的包。我错拿了你的包。 I took your bag _ _ mine by mistake. wooden is full ofmake a differencelead to paly a part of instead of
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