人教版九年级上册英语unit13第1课时sectionA1a 2d课件1共37张

1、Period One Section A Words Review litter bottom fisherman coal ugly advantage v. 乱扔乱扔 n. 垃圾；废弃物垃圾；废弃物 n. 底部；最下部底部；最下部 n. 渔民；钓鱼的人渔民；钓鱼的人 n. 煤；煤块煤；煤块 adj. 丑陋的；难看的丑陋的；难看的 n. 优点；有利条件优点；有利条件 Words Review cost wooden plastic takeaway bin v. 花费花费 adj. 木制的；木头的木制的；木头的 n. 塑料；塑胶塑料；塑胶 n. 外卖食物外卖食物 n. 垃圾桶垃圾桶 To l

2、isten for specific information To talk about pollution and environmental protection To learn to use the sentence patterns ? used to.but now ? should do sth. Why should we protect the environment? Only by saving the environment can we save ourselves. Endangered animals Pollution Global warming Desert

3、ification Pollution What kind of pollution are they? air pollution water pollution noise pollution Here are some words related to different kinds of pollution. Write them in the box 1a 1a below. Then add more words. (P97) loud music cars rubbish planes littering ships factories smoking building hous

4、es mobile phones Noise pollution: loud music, planes, building houses, mobile phones (machines, crowds, vehicles) Air pollution: cars, factories, smoking, building houses (power plants, nuclear disposal) Water pollution: rubbish, littering, ships, factories (sewage, industrial waste, pesticides) Lis

5、ten and complete the sentences.(P97) 1b 1b ?What was the problem? The river was _. Even the bottom really dirty rubbish of the river was full of _. There were no more _ for fishermen to catch. fish ? What caused the problem? People are throwing _ into the river. litter waste Factories are putting _

6、into the river. ?How should the problem be solved? We should write to the _ and ask government them to _ the factories. Everyone close down should help to _ the river. clean up 听力原文听力原文 Role-play the conversation. Then make your own conversations about 1c 1c the kinds of pollution in 1a.(p97) Everyo

7、ne in the But, it used to town should play be clean and a part in cleaning clear. it up. used to do sth. “ 过去常常过去常常” 表示过表示过去习惯性的动作但如今已不存在。去习惯性的动作但如今已不存在。 play a part in doing sth. “ 参与做某事参与做某事; 在在做某事上起作用做某事上起作用”。 Yes, but factories The air was produce lots of polluted. The waste gas every heavy smok

8、e flew into the air. day. 用用used to句型说出与图片情景相符的句子。句型说出与图片情景相符的句子。 Peter, soccer Mike, glasses Mark, like swim Amy, long hair Jenny 过去常常过去常常 表示表示_ 过去的习惯过去的习惯 used to “_”, used to + _动词原形动词原形 Peter used to play soccer. Amy used to have long hair. didnt use to /used not to 否定句否定句: _ Mark used to like s

9、wimming. Jenny Mike used to wear glasses. play the piano. 一般疑问句一般疑问句: Did you use to.? /Used you to ?_ Practice Translate the sentences. 1. She used to love cats but once attacked by one, she doesnt like them anymore. 她过去很喜欢猫，但自从被一只猫袭击她过去很喜欢猫，但自从被一只猫袭击过后，就再也不喜欢猫了。过后，就再也不喜欢猫了。 2. 她过去在伦敦住过。她过去在伦敦住过。 S

10、he used to live in London. Listen to the interview. Circle the 2a 2a kinds of pollution that Jason and Susan talk about. (p98) A. land pollution B. air pollution C. noise pollution D. water pollution Listen again and complete the 2b 2b sentences. (98) 1.The air is badly polluted because there are _

11、on the road these days. more cars pollute 2.Factories that burn coal also _ the air with a lot of black smoke. 3.There is also too much rubbish and waste. are throwing away People _ things every day. public places 4.People are also littering in _ like parks. This is turning beautiful places into ugl

12、y ones. 听力原文听力原文 听力原文听力原文 recording and pay Read after the childrens intonation attention to the and voice. Use the information in 2a and 2b to 2c 2c role-play conversations between Jason and Susan. (P98) The air has become really The problem is polluted around that therere And the factories here. I

13、m getting more cars on the that burn coal Yes, I used to be able to see very worried. road these days. the stars in the also pollute the air with a lot of black smoke. sky. Read the dialogue in 2d, then tell us what we can do to reduce the pollution. What should we do? 1. We should take _ or _ the b

14、us subway instead of driving. 2. We should also _ _ _. ride a bike Its good for health! 3. Bring _ to go shopping. a bag 4. Never take _ or wooden chopsticks plastic forks _ when buying takeaway food. 5. _ in the bins and keep Throw rubbish public places clean and beautiful. 2d 2d Lets see which gro

15、up Lets see which group does the best. does the best. 1. Role play the conversation in groups; 2. Role play the conversation in front of the class 1. Were trying to save the earth! 我们正在竭力拯救地球我们正在竭力拯救地球! try to do sth. 努力去做某事努力去做某事 Every student should try to study hard for a brighter future. 为了有一个美好

16、的未来，每个学生都应为了有一个美好的未来，每个学生都应该努力学习。该努力学习。 2. Here are some words related to different kinds of pollution. be related to 与与有关有关 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。 Is the topic related to what we are saying? 这个话题是否与我们说的有关系？这个话题是否与我们说的有关系？ 3. Everyone in this town should play a part i

17、n cleaning it up! play a part in 在在方面起作用方面起作用 A good diet plays a large part in helping people live longer. 健康的饮食在帮助人们长寿方面起着非常大的健康的饮食在帮助人们长寿方面起着非常大的作用。作用。 Computers have played an important part in our daily life. 电脑在我们日常生活中扮演着重要角色。电脑在我们日常生活中扮演着重要角色。 4. Even the bottom of the river was full of rubbi

18、sh . Yes, but people are throwing litter into the river. litter & rubbish “ 垃圾垃圾” , ,不可数名词不可数名词rubbish “ 没用的东西没用的东西(被扔或将要丢弃的无用的东西被扔或将要丢弃的无用的东西)”不不可回收可回收 litter “(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、不要纸屑、不要的包装纸、废瓶等的包装纸、废瓶等)”还可回收还可回收 Throw the rubbish out. Pick up your litter after a picnic. 1. try to do 2. be related to 3. play a part in 4. litter & & rubbis