仁爱英语九上U2-T1-SA.ppt

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1、Unit2 Saving the earthTopic1 Pollution causes too many problems.Section A【 Learning aims】 1、掌握本节课的、掌握本节课的5个单词个单词和和4个短语个短语。2、学习、学习直接引语直接引语和和间接引语间接引语的用法。的用法。（重点、（重点、难点）难点）3、谈论、谈论不同种类的污染不同种类的污染，提高，提高环保环保意识。意识。1. Master 5 new words and 4 phrases.2. Learn direct speech and indirect speech.3. Talk about d

2、ifferent kinds of pollution and enhance a sense of protecting the environment. bee my goodness chemical waste stream soil breathe harmful be harmful to influence pour into throw around/about 蜜蜂蜜蜂 天啊天啊 化学的，化学的， 化学品化学品 adj. 废弃的，无用的废弃的，无用的 n. 废料废料 v. 浪费浪费 小溪小溪 土壤，土地土壤，土地 呼吸呼吸 有害的有害的 (对对) 有害的，导致损害的有害的，导

3、致损害的 v. & n. 影响影响 把把倒进倒进 乱扔乱扔Recite the new words and phrases! bee my goodness chemical waste stream soil breathe harmful be harmful to influence pour into throw around/about 蜜蜂蜜蜂 天啊天啊 化学的，化学的， 化学品化学品 adj. 废弃的，无用的废弃的，无用的 n. 废料废料 v. 浪费浪费 小溪小溪 土壤，土地土壤，土地 呼吸呼吸 有害的有害的 (对对) 有害的，导致损害的有害的，导致损害的 v. & n. 影响影

4、响 把把倒进倒进 乱扔乱扔Would you like to have a picnic in such places?化学的化学的对对有害有害 There are some chemical factories in the picture. They do great harm to our environment.What can you see in the pictures?pollutionchemical factory化工厂化工厂There are also some other pollution in our daily life.What kind of pollutio

5、n do you know?air pollutionwater pollutionlight pollutionnoise pollutionsoil pollution土壤污染土壤污染litter a. air pollution b. soil pollution c. water pollution d. light pollution e. noise pollution f. litter3a Work alone123456Look at the pictures carefully and match them with the word and phrases.1. Peop

6、le use chemicals too much in their fields, so_ causes unhealthy food.2. People pour waste water into rivers and lakes, so_ is almost everywhere in China.3. _ makes people sick. It causes breathing problems and even cancer.4. In some cities theres too much _ caused by many cars. The government has do

7、ne something useful to stop it.5. _ is harmful to eyes.6. _ influences our environment, so people shouldnt throw it around.3b Complete the following sentences with the words and phrases in 3a. soil pollution Air pollution noise pollution Light pollution Litter化学品化学品对对有害有害把把倒进倒进 water pollution乱扔乱扔 b

8、e harmful to sb./sth. = do harm to sb./sth. 对对有害有害 1) 甜食对孩子的牙齿有害。甜食对孩子的牙齿有害。 Sweet food is harmful to childrens teeth. Sweet food does harm to childrens teeth. 2) 嗜酒对健康有害。嗜酒对健康有害。 Drinking too much wine is harmful to health. Drinking too much wine does harm to health. Pollution is not only harmful t

9、o human beings, but also harmful to animals.2. Work aloneIt is generally believed that pollution does great harm to animals. Listen and number the pictures.643215对对有害有害u What can you see in the picture?beebutterflythe West Hillu Its a beautiful place with lots of flowers and grass. The air is fresh

10、and the water is clean, and we can see bees and butterflies dancing.streamuWhat has happened here? The flowers and grass have gone!There are several chemical factoriespouring waste water into the stream.uIs the West Hill a beautiful place now?不复存在不复存在, 不见不见了了, 丢失丢失, 失窃失窃waste waterchemicalfactories

11、There be + sth./sb. + doing sth. 有某人或某物正在做某事有某人或某物正在做某事1) 有很多学生正在课室读书。有很多学生正在课室读书。 There are many students reading books in the classroom.2) 瞧！有个小男孩正在街上哭。瞧！有个小男孩正在街上哭。 Look! There is a little boy crying in the street. 3) 有几个男孩正在游泳池游泳。有几个男孩正在游泳池游泳。 There are several boys swimming in the swimming pool

12、. pour into 把把倒入倒入 请把咖啡倒入杯里。请把咖啡倒入杯里。 Please pour the coffee into a cup. waste 浪费浪费 v. (反义词反义词 save) waste ones words 白费口舌白费口舌 n. Its a waste of time. 这是浪费时间。这是浪费时间。 adj. 无用的、废弃的、荒废的无用的、废弃的、荒废的 waste water 废水废水Watch and listen to 1a, then answer the questions.West Hill was a beautiful place with lot

13、s of flowers and grass. Are there any flowers and grass there? If not, where are they? No, there arent. They have gone/disappeared.(Kangkang, Jane, Maria and Michael are planning a picnic.)Jane and Maria : Kangkang, where shall we go?Kangkang : What about West Hill? Ive been there before. Its a beau

14、tiful place with lots of flowers and grass. The air is fresh and the water is clean, and you will see bees and butterflies dancing.Michael : Sounds great! Lets go there.(Two days later, they come to West Hill.)Kangkang: Oh, my goodness! The flowers, and grass have gone! The water is so dirty. It sme

15、lls terrible. What has happened here?Maria: Look, there are several chemical factories pouring waste water into the stream.Kangkang: Everything has changed.Michael: Do you still want to have a picnic here?Jane: Of course not. Talk about the dialogue in 1a.What did Kangkang say about the West Hill in

16、 the past?Kangkang said that it was a beautiful place with flowers and grass.What did Kangkang say about the West Hill at present?Kangkang said that the flowersand grass had gone.Kangkang: Its a beautiful place with lots of flowers and grass.Kangkang: The flowers and grass have gone!In the pastAt pr

17、esentReasonKangkang said thatit was a beautifulplace with lots offlowers and grass.Kangkang saidthat the flowersand grass hadgone.Maria said .1b Work aloneKangkang said that the air was fresh and the water was clean, and that they would see bees and butterflies dancing.Kangkang said that the water w

18、as so dirty.Kang said that it smelled terrible.Maria said that there were several chemical factories pouring waste water into the stream.Grammar focus:Direct speech and indirect Speech间接引语是指用自己的话间接引语是指用自己的话转述转述别人别人所说的内容。所说的内容。通常以通常以宾语从句宾语从句的形式出现。的形式出现。当直接引语变为间接引语时，有关当直接引语变为间接引语时，有关的的人称人称、语序语序、时态时态、代

19、词代词、时间时间状语状语、地点状语地点状语、和、和少数动词少数动词都要都要作相应的作相应的改变改变。解题步骤解题步骤: : 陈述句陈述句: :“I dont like computers,” Sarah said to her friends.Sarah said to her friends that I dont likecomputers.didntsheSarah told her friends that she didnt like computers.told直接引语变成间接引语时直接引语变成间接引语时个别动词个别动词的变化的变化 把以下句子改为间接引语：把以下句子改为间接引语：

20、1) He said, “I have been to the Great Wall. ” He told us that he had been to the Great Wall. 2) He said, “Ill give you an examination next Monday. ” He told us that he would give us an examination the next Monday. 主句的谓语动词可直接用引语中的主句的谓语动词可直接用引语中的said, 也可用也可用told来代替。注意：可以说来代替。注意：可以说said that, told sb.

21、that., 不可直接说不可直接说told that。Key sentences for SA: Oh, my goodness! The flowers and grass have gone! There are several chemical factories pouring waste water into the stream. Light pollution is harmful to birds.1. All the flowers, grass and fish have g_.2. There are s_ chemical factories pouring waste

22、 water into the river.3. We call a small narrow river a s_.4. Using chemicals too much in the fields may cause s_ pollution.5. Litter _(影响影响) the look of our cities.6. The air was so cold that we could hardly _(呼吸呼吸).7. Light pollution _(对对有害的有害的) our eyes.is harmful toinfluencesbreathe oneeveraltre

23、am oil1. Smoking is harmful _ our health. A. in B. at C. on D. to 2. Its only _ of time to speak to her. A. a waste B. waste C. to waste D. wasted3. There are 30 students _ in this class. A. read B. reading C. read D. reads 4. I found my bike _ when I came out of the supermarket. A. to go B. going C. have gone D. had gone5. Making a loud noise in public does great _ to hearing loss. A. harm B. harmless C. harmfulD. harmfullyDABDANow, its time for me to relax!Thank you Thank you and and Goodbye!Goodbye!