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2014-2015学年北师大版选修八 Unit 22 Environmental Protection 第8课时 教案.doc

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1、The Eighth Period Communication Workshop (I)Teaching goals 教学目标1. Target language 目标语言 重点词汇和短语 plug, quilt, cushion, skyscraper, adopt, rail, warehouse, considerate, plug ones ears, all the best2. Ability goals 能力目标 Help students learn more about noise pollution by doing listening exercises.3. Learn

2、ing ability goals 学能目标Help students to predict missing information and take notes using listening strategies. Giving opinions.Teaching important points 教学重点Listening strategies.Noise pollution and noise control measures in China.Teaching difficult points 教学难点Noise control measures and individual noi

3、se control efforts.Teaching methods 教学方法 Speaking, discussing and listening.Teaching aids 教具准备Multi-computer.Teaching procedures once the pollution stops, the environment is free of it. This is not the case for chemicals, sewage, and other pollutants introduced into the air, soil, or water. The defi

4、nition of noise itself is highly subjective. To some people the roar of an engine is satisfying or thrilling; to others it is an annoyance. Loud music may be enjoyable or a torment, depending on the listener and the circumstances. Broadly speaking, any form of unwelcome sound is noise pollution, whe

5、ther it is the roar of a jet plane overhead or the sound of a barking dog a block away.Deal with Ex 3.Ask students to read the 10 statements. Try to predict the information that is missing. Then listen to the radio programme and complete the notes with one or two words. Students are asked to do the

6、exercises individually. Play the recording again if necessary. Then check the answers with the whole class.T: Using the listening strategies try to predict the missing information in the statements in Ex 3. Then we will listen to the radio programme and complete the notes with one or two words. I wi

7、ll play the recording again if necessary. .T: Which statement is the definition of noise pollution?S1: The second. Noise pollution can be defined as any sound that interrupts our daily lives or makes us feel uncomfortable.T: What are the sources of noise pollution?S2: Television sets, stereo system,

8、 air-conditioners and pets can all be sources of noise pollution.T: What statements tell noise negatively affects human health and well-being? S3: The last five statements.T: Right! Now lets read the bad effects caused by noise.Deal with Ex4.T: Now that noise has so many negative effects on us, it i

9、s necessary to control noise. Now lets listen to the second part of the radio programme. While listening, please focus on the three topics: Necessity for noise control Noise control measures Individual noise control effortsI will play the recording twice for you. Then you may work in pairs and compa

10、re your notes with your partner to check if you miss any important information. After you compare your notes with each others, I will play the recording again and draw your attention to the important information. At last you will be asked to present your notes on the three topics to the class.Step I

11、II SpeakingBefore you startDeal with Ex1 on Page 14.T: After we talk about noise pollution, lets listen to two people discussing an article from a newspaper. First read through the opinions. Then I will play the recording for you.If necessary, play the recording again for students to check the answe

12、rs.Chatroom: Giving opinionsDeal with Ex2 on Page 14.Ask students to read the expressions in Ex2 and decide which are used to give you time to think, which are used to express an opinion.Impersonal “You”Deal with Ex3 on Page 14.Ask students to read the five sentences in Ex3 and decide which of the e

13、xamples refer to a particular person, which refer to people in general.Discuss the photosAsk students to discuss the photos and think about The global issue each photo represents The causes of the problem Your opinions and possible solutionsWhile giving their opinions, remind students that they shou

14、ld use the expressions to justify their arguments and the expressions to give their opinions.Step IV Listening: Situational DialoguesDeal with Ex1on Page 14 in the listening part.Play the recoding for students to listen for the words in the dialogues and match them to their meanings.Deal with Ex2 on

15、 Page 14 in the listening part.Play the recording again and ask students to identify what the relationship between the speakers are in each dialogue. Teacher may remind students of the clues.Step V Guided writing: reportDeal with Ex4 in Language Power on Page 61.Ask students to put the given nine sentences in the correct order in the report plan. Students may refer to Reading strategies in Lesson 3 on Page 10.Step VI HomeworkLearn more about noise pollution and noise control measures in China.

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