1、1,Unit13 Were trying to save the earth!,Section A 1a -2d（第1課時）,2,1. We should put up notice to stop from _ （亂扔）. 2. The teacher asked us to find a way to pick up the coins at the _（底部）of the bottle. 3. There are no more fish for _ （漁夫）to catch in the river. 4. We should take the paper bags to go sho

2、pping instead of the _（塑料）ones. 5. Could you please tell us another _（優(yōu)點） of riding bike to work?,【檢查預習】,litter,bottom,fisherman,plastic,advantage,3,noise pollution,air pollution,water pollution,1a. Write the words related to different kinds of pollution in the box below.,(Pairwork or groupwork),lou

3、d music cars rubbish planes littering ships factories smoking building houses mobile phones,_,_,_,loud music,cars,rubbish,planes,littering,ships,factories,smoking,building houses,mobile phones,4,1b. Listen and complete the sentences,really dirty,rubbish,fish,litter,waste,government,close down,clean

4、up,5,6,1. 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 every day. 4. People are also litter in _ like parks. This is turning beautiful places in

5、to ugly places.,2a Listen to the interview. the kinds of pollution that Jason and Susan talk about.,A. waste pollution B. air pollution C. noise pollution D. water pollution,Circle,2b. Listen again and complete the sentences.,littering,more cars,pollute,are throwing away,7,8,Read the conversation qu

6、ickly, find out the answer to the question.,What kinds of pollutionare mentioned in this conversation?,2d.,Air pollution and waste pollution.,2.Read the conversation again and complete the blanks.,Take the bus or subway instead of driving; ride a bike.,bring a bag to go shopping; only use wooden cho

7、psticks or plastic forks at home; Throw rubbish in the bins ,9,10,1.We are trying to save the earth.我們正在努力拯救地球。 【解析】try doing sth 嘗試做某事（不一定付出很大努力） try to do sth 盡力做某事（強調付出一定的努力設 法完成） 想一想? 盡某人最大的努力做某事 try_ 2. But it used to be so clean. 但它過去是如此干凈。 【解析】used to 的意思是 _, 其中to是不定式符號，不是 介詞，所以其后要接_。 be used

8、 to 的意思是_，其中to是介詞，其后要接 _,【合作探究】,ones best to do sth.,習慣干某事,過去常常做某事,動詞原形,doing,2. He _ go out with his parents, but now he _ staying at home alone. A. used to; is used to B. is used to; used to C. use to; is used to D. is used to; is used to,11, How much is the ticket to Central Park? A one-way ticke

9、t _ $40, and you can _ another $20 for a round-trip. A. costs, pay B. cost, spend C. pay, spend D. spends, pay,【合作探究】,3. Its good for health and it doesnt cost anything! 它對身體有好處并且不會花費任何東西。 cost vt.1. 花費；價格為； 【拓展】take/ spend /cost /pay的用法都可以表示“花費”，但用法卻不盡相同。spend的主語必須是_， 常用于 _ cost的主語是物或某種活動， 還可以表示“值”

10、，用于 _ （注意：cost的過去式及過去分詞都是cost,并且不能用于被動句。） take后面常跟雙賓語， 常見于_ pay的基本用法是：_,人,Sb. spend time/money on sth.,Sb. spend time/money doing sth.,cost sb. money.,It takes sb. sometime to do sth.,pay money for sth.,12,4.To cut down air pollution, we should take the bus or subway instead of driving. 為了減少空氣污染，我們應

11、當乘坐公汽或地鐵而不是開車。 本句中To cut down air pollution是動詞不定式作目的狀語。cut down 意為_,減少,We must do something useful to _ pollution. A. cut off B. cut up C . cut down D. cut in,13,I. 單項選擇。 1. Eating too much sugar can _ healthy problems. A. get to B. lead to C. point to D. able to 2. -What are the _ of bike riding? -

12、 Its good for our health. A. advantages B. reasons C. results D. ideas II. 用所給詞的適當形式填空。 1. There are many kinds of_（pollute）in our daily life. 2. All of the students should take part in_ (keep) our school clean and tidy. 3. Can you tell us your ideas for _ (improve) your spoken English. 4. We should

13、 stop using the_ (wood) chopsticks to protect the forest. 5. Their grandparents were _ (fisherman) near the sea before they moved to the town.,當堂檢測,B.,A.,pollution,keeping,improving,wooden,fishermaners,14,III. 根據漢語意思完成下列句子。 1. 咱們玩紙牌吧，別看電視了。 Lets play cards _ _ watching TV. 2. 我們的行動會起作用，并且通向更好的未來。 Our actions can _ a difference and