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1、What did the world use to be?It used to be a green world.What is the world like now ?There is much air pollution and waste .How can we live a green life ?reduce v. 減少，降低減少，降低e.g. We can reduce air pollution by riding bicycle. Lets learn some ways to live a green life.turn off 關(guān)上（開關(guān)）關(guān)上（開關(guān)）e.g. We can

2、 save energy by turning off the lights when we leave.recycle v. 回收利用，循環(huán)利用回收利用，循環(huán)利用e.g. We can protect the environment by recycling things.cause v. 導(dǎo)致；造成導(dǎo)致；造成e.g. Careless driving causes traffic accident. 粗心駕駛導(dǎo)致了交通事故。粗心駕駛導(dǎo)致了交通事故。 take a showere.g. We can save water by taking shorter showers .The clas

3、s 1, Grade 8 students are talking about ways to live a green life. Look at the pictures below and match them with the correct sentences.a. We can reduce air pollution by riding bicycles.b. We can save water by taking shorter showers.c. We can save energy by turning off the lights when we leave a roo

4、m.d. We can protect the environment by recycling waste.We can ride bicycles _.We can take shorter showers _.We can turn off the lights _.We can recycle waste _.to reduce air pollution to save water to save energy to protect the environmentLISTEN AND ANSWER 1. How did Kitty go to school in the past?2

5、. What about now?3. What does Millie think she should do to live a green life?Her father used to drive her to school.They take the underground now.She thinks its wise for people to choose public transport and ride bicycles. 4. What about Daniel? 5. What about Sandy?He thinks we can take shorter show

6、ers to save water.She thinks we should remember to turn off the lights when we leave a room. Work in pairs and use the conversation as a model . One plays the role of “Mr. Wu” , others are Kitty, Millie , Daniel and Sandy.Three minutes is enough.Listen and answer 1. What is Hobo going to do?2. Will

7、more trees be planted this year? 3. What does Eddie like doing?4. What will Eddie plant?He is going to plant trees.Yes. Trees are good for us.He likes digging in the garden.He will plant breadfruit trees.1. Will more trees be planted this year? 今年更多的樹將會被種植嗎？今年更多的樹將會被種植嗎？ 句中句中will be planted 意思是意思是“將

8、會被種將會被種植植”，是一般將來時的被動語態(tài)。，是一般將來時的被動語態(tài)。 e.g. The panda will be sent to the zoo tomorrow. 這只大熊貓明天將被送到動物園。這只大熊貓明天將被送到動物園。 2. We can protect the environment by recycling things. 我們可以通過回收利用東西來保護環(huán)境。我們可以通過回收利用東西來保護環(huán)境。 We can save energy by turning off the lights. 我們可以通過關(guān)燈來節(jié)約能源。我們可以通過關(guān)燈來節(jié)約能源。by doing ,表示通過做某事

9、表示通過做某事by 后接人，用于被動語態(tài)后接人，用于被動語態(tài)The operations are done by volunteer doctors.3. My dad used to drive me to school. 我爸爸過去常常開車送我去學(xué)校。我爸爸過去常常開車送我去學(xué)校。 句中句中used to do sth. 意思是意思是“過去常常做過去常常做某某 事，其后接動詞原形。事，其后接動詞原形。 e.g. They used to spend money on clothes. 他們過去常常用在衣服上他們過去常常用在衣服上 。4. Its wise for people to cho

10、ose public transport or ride bicycles. 對人們來說選擇公共交通或騎自行車是明對人們來說選擇公共交通或騎自行車是明智的。智的。 It is + adj. + for sb. + to do sth. 意思是意思是“對對某人來說做什么事情怎么樣某人來說做什么事情怎么樣”。 常用于此句型的形容詞有常用于此句型的形容詞有 important, difficult, dangerous, necessary, useful, possible等等. 此句型可以轉(zhuǎn)換成此句型可以轉(zhuǎn)換成To do sth. is + adj.。 e.g. It is very impor

11、tant for students to learn English well. 對學(xué)生們來說學(xué)好英語是很重要的。對學(xué)生們來說學(xué)好英語是很重要的。It is + adj. + of + sb. + to do sth.，常用，常用于此句型的形容詞有于此句型的形容詞有g(shù)ood, kind, nice, clever, wise ,wrong bad 等，等，用來對人的用來對人的性格、品質(zhì)等進行說明性格、品質(zhì)等進行說明.e.g. 你這樣說真是太好了。你這樣說真是太好了。 Its very kind of you to say so. 根據(jù)漢語提示寫單詞。根據(jù)漢語提示寫單詞。1. Is he _ (嚴肅的嚴肅的)?2. We can _ (減少減少) air pollution by riding bicycles.3. He is _ (挖洞挖洞) in the garden.4. We can _ (回收利用回收利用) old things. 5. It is _ (明智的明智的) of you to take a map. seriousreducediggingrecyclewiseRead the text book and learn thenew words and phrases by heart.