Unit 2 Saving the Earth
Topic2 Pollution is harmful to people’s health
Section A
南岳区实验中学 杨瑾瑜
Teaching aims and demands
?
  1. Learn some new words and phrases ?
  2.Learn some useful sentences ?
  3.Learn direct speech and indirect speech ?
  4. Learn and talk about different kinds of pollution
Enjoy a short play
Enjoy a short play
What can you see from the flash?
bee
stream
Oh, my goodness
Learn new words
bee 复数bees 蜜蜂 复数 my goodness 天哪;啊呀(表示惊讶或疑惑) 天哪;啊呀(表示惊讶或疑惑) chemical 化学的 waste 形 “废弃的,无用的” 废弃的,无用的” 浪费” 动 “浪费” 反义 save 废弃物,荒地” 名 “废弃物,荒地” stream 小溪 soil 土壤,土地 土壤, breathe 动 “呼吸” 呼吸” breath 名 take a deep breath深深地吸一口气 harmful 有害的 Influence 影响
West Hill
1a listen, read and say
(Kang
kang, Jane, Maria and Michael are planning a picnic) Jane and Maria: Kang kang, where shall we go ? Kang kang: What about the West Hill? I’ve been there before. It's a beautiful 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! Let’s go there. (Tow days later, they come to the West Hill. ) Kang kang: Oh, my goodness! The flowers and grass have gone! The water is so dirty. It smells terrible. what has happened here? Maria: Look, there are several chemical factory pouring waste water into the stream. Kang kang: Everything has changed. Michael: Do you still want to have a picnic here? Jane: Of course not.
Here are the answers to the question.

  1.Where are they going to have the picnic?
The West Hill.

  2.How was the West Hill in the past?
It was a beautiful place with lots of flowers and grass. The air is fresh and the water is clean. There were some bees and butterflies dancing.

  3.How is the West Hill at present?
The flowers and grass have gone. The water is so dirty. It smells terrible.

  4.Do they still want to have a picnic here?
Of course not.
Look, there are several chemical factory pouring wastewater into the stream. There be +sth. /sb. +doing sth. 意为“有某人或某物正在做某事” There are some birds singing. There is a bee flying.

  1.The flowers and grass have gone?
Go在此处为不及物动词,意为“不复存在,不见了”
e.g.: The pain has gone.
  2.Light pollution is harmful to birds.
Pollution 名“污染”,为不可数名词
e.g.: Air pollution is getting worse in the city.
Be harmful to sb./sth. 对某人/某物有害 对某人/某物有害 e.g.: Sweet food is harmful to children’s teeth

  3.Litter influences our environment.
influence 动,“影响,对…起作用” 可以用副词 greatly/strongly/heavily等来修饰 e.g.: His writings have strongly influenced the millions of lives. Influence 名“影响,作用”可用形容词good、bad等修饰 Have a strong influence on sb.对某人影响深 对某人影响深
Retell 1a
In the past, the West Hill was a beautiful place with flowers and grass. We could see bees and butterflies dancing. The air was fresh, the water was very clean and we could see fish swimming. But now, all the flowers, grass, bees, butterflies and fish have gone. The water is so dirty and it smells terrible. Why? Because there are several chemical factories pouring waste water into the stream. So we should protect the environment.
Direct speech and in direct speech.
陈述句 用连词that引导,that在口语中常省略。 引导, 在口语中常省略。 用连词 引导 在口语中常省略 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, 来代替, 主句的谓语动词可直接用引语中的 来代替 注意:可以说 可以说said that, said to sb. that, told sb. that. 注意 可以说 不可直接说told that。 不可直接说 。
Kang kang said:" I have been there before.” Kang kang said he had
Kangkang said he had been there before
practice
? Kangkang said," It is a beautiful place with lots of flowers and grass.” Kangkang said that it was a beautiful place with lots of flowers and grass. ? Kangkang said, “The air is fresh and the water is clean, and you will see bees and butterflies dancing.” Kangkang said that the air was fresh and the water was clean, and that they would see bees and butterflies dancing.
1b
In the past In the past Kangkang said that it was a beautiful place with lots of flowers and grass. Kangkang said that ... the air was fresh and the water was clean, and that they would see bees and butterflies dancing.
Work alone
At present At present Kangkang said Kangkang said that the flowers that the flowers and grass had and grass had gone. gone. ...Kangkang said that the water was so dirty. Kang said that it smelled terrible. Reason Reason Maria said Maria said ... that there were several chemical factories pouring waste water into the stream.
录音)
  2. Work alone (录音) It is generally believed that pollution does great harm to animals. Listen and number the pictures.
6
4
3
2
1
5
3a
1
Work alone
4
a. air pollution b. soil pollution
2
5
c. water pollution d. light pollution
3
e. noise pollution f. litter
6
3b Complete the following sentences with the word and phrases in 3a.
  1. People use chemicals too much in their fields, so causes unhealthy food. soil pollution
  2. People pour waste water into rivers and lakes, so is almost everywhere water pollution in China. Air pollution
  3. makes people sick. It causes breathing problems and even cancer.
  4. In some cities there’s too much noise pollution caused by many cars. The government has done something useful to stop it. Light pollution
  5. is harmful to birds.
  6. influences our environment. Litter
Useful expressions
?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.
Now, it’s time for me to relax!
Thank you and Goodbye!
根据句意及首字母完成下列各句。 根据句意及首字母完成下列各句。

  1. I have b to the West Hill before. een
  2. All the flowers, grass and fish have one g. everal
  3. There are s chemical factories pouring waste water into the river. tream
  4. We call a small narrow river a s.
  5. Using chemicals too much in the fields may cause s pollution. oil
 

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