仁爱版九年级英语上册 Unit 2 Saving the earth. Topic 1 Pollution has causes too many problems. Section C 课件(共

课件40张PPT。Section CTopic 1
Pollution has caused too many problems. Unit 2 Saving the Earthsoil pollutionlitter pollutionlight pollutionnoise pollutionwater pollutionair pollutionnoise What kind of pollution do they cause?Brainstorming:
What things can make noises in our lives？ They work in a printing factory.V.印刷It’s near the airport.noisy conditions printing factorynear the airport嘈杂的条件lose one’s hearing=have hearing lossn.听力n.损失 People who work and live in noisy conditions often go deaf. adj. 聋的Reading Task 1 Predict（预测）what the passage is about.Reading Task 2 Skim（浏览）for the general
information（大意）.Underline the topic sentence of the passage in 1a. Noise is also a kind of pollution and is harmful to humans’ health. Read 1a quickly, and complete the task.What is the passage about?It’s about the noise pollution.主题句对…有害
Reading Task 3 Scan（查读）for the specific
information（细节）. (1)How many kinds of noise pollution are mentioned（提到） in 1a? ① noise made by printing newspaper and books
② noise from airports
③ noise caused by loud pop music
④ a loud noise in public
⑤ noise produced by cars and machines1.Read 1a carefully, and answer the questions. (2)What makes the noise pollution in la? There are five kinds of noise pollution. The key word or key phrase may help you find answers. 2.Read 1a carefully again, and fill in the blanks.no better thanuncomfortableunpleasantsickdeafgo deafHow does noise harm people’s health?adj.令人不舒服的
adj.令人不愉快的
disturbsdoes great harm tov.打扰
The key word or key phrase may help you find answers.Play a game 游戏说明：1. 不同的金蛋，不同的分数.
2. 不同的分数，不同的任务.
3. 完成任务，取得相应分数.
4. 任务失败则由另一组完成 “砸金蛋”游戏No.1No.2No.1No.22pointsNo.1No.22pointsNo.1No.21pointNo.1No.212pointpointsNo.1No.212pointpointsNo.3No.1No.212pointpointsNo.3One suggestion, one mark. Please give some suggestions about how to reduce the noise pollution in your daily lives. We can/should… If you are the worker, what should you do to reduce the noise? We can/should wear earplugs（耳塞）. If you are the students, what should you do to reduce the noise? 1.We should... 2.We shouldn’t ... 1.We should speak in a low voice. 2.We shouldn’t talk loudly in public.？Topic sentence: Noise is a kind of pollution and is harmful to humans’ health.What makes the noise pollution?
noise from…
noise /caused/produced by…How does noise harm people’s health?
People often go deaf.
People often feel uncomfortable and unpleasant.
People may become sick or deaf.How to reduce the noise pollution:
We should/shouldn’t/had better…Paragraph 1Paragraph 2Paragraph 4Paragraph 3Structure(结构) What should you do to protect your beautiful city? 1. Discuss in groups.
2.Write down your suggestions and report it to the class . You can begin like this:Discussion Sanya is a beautiful city. We should try our best to protect the environment of our city. We think we should/shouldn’t/had better/had better not…
1.________________________________________
2.________________________________________3.________________________________________
… It’s everyone’s responsibility to protect the environment! 保护环境，人人有责！？Topic sentence: Noise is a kind of pollution and is harmful to humans’ health.SummaryWhat makes the noise pollution?
noise from…
noise /caused/produced by…How does noise harm people’s health?
People often go deaf.
People often feel uncomfortable and unpleasant.
People may become sick or deaf.How to reduce the noise pollution:
We should/shouldn’t/had better…Paragraph 1Paragraph 2Paragraph 4Paragraph 3Summary
Learn to give some suggestions about how to protect the environment:We should plant more trees.
We shouldn’t throw rubbish around.
We had better …
Don’t… 1. Write a passage about air pollution.(or another kind of pollution).写一篇关于空气污染的短文.(或其他类型的污染） (1). Topic sentence.（主题句）
(2). What causes this pollution?
(是什么导致了这种污染？)
(3). How does it harm people’s health?
(这种污染伤害人的身体？）
(4). What should we do to reduce this ( pollution? (该如何减少这种伤害？） Homeworkstructure(结构）