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1、仁爱英语教学案例九上Unit2 Topic1 AUnit 2 Topic 1 Section A The main activities are 1a and 3a. 本课重点活动是1a和3a。 . Teaching aims and demands 教学目标 1. Learn some new words: bee, several, waste, stream, breathe, influence 2. Learn the environment in the past and at present. (1) Its a beautiful place with flowers and
2、grass. (2) The water is so dirty. It smells terrible. 3. Learn about different kinds of pollution: (1) Air pollution makes people sick. (2) Light pollution is harmful to our eyes. (3) Litter influences the look of our cities. 4. Learn“there be sb./ sth. doing sth.”structure. . Teaching aids 教具 录音机/多
3、媒体图片/幻灯片/小黑板 . Five-finger Teaching Plan 五指教学方案 Step 1 Review 第一步 复习(时间:15分钟) 1. (通过对第一单元的复习引出“变化”中的被污染的西山景象，用课本中的图画来引出新 词汇。) T: Last Unit, We have learned some changes in our hometown. What changes have happened in your hometown? S1: The roads are wider. S2: The buildings are brighter and brighter.
4、 S3: The living conditions have improved S4: T: Yes. Many changes have happened in our hometown. Lets look at the two pictures about West Hill. T: Are there any changes in Picture 2? Ss: Yes. T: Lets look at Picture 1. What can you see on West Hill in the past? S5: I can see some flowers and grass.
5、S6: I can see a butterfly dancing. S7: I can see a rabbit. S8: I can see some houses. S9: T: (指着一蜜蜂)Whats it? Ss:“蜜蜂”。 T: Its a bee. And there is a bee flying. (板书并讲解。) there is/are doing sth. T: (指着小溪) Whats it? Ss:“小河”。 T: Its a stream. And there are some fish swimming in the stream. (教师板书并讲解strea
6、m。) T: We knew West Hill was a beautiful place. Look at Picture 2, what happened to West Hill? S10:The rabbit disappeared. S11:The fish died. S12:The tree died. S13:There are no flowers, butterflies, grass and so on. S14:There are some factories. T: Yes, there are several factories. Its not only one
7、. (教师板书并讲解several。) T: (指着冒的烟和排放的废物) They are making much smoke and they are pouring waste water into the streams. So they are chemical factories. (板书并讲解。) chemical pour into T: From Pictures 2, we know the chemical factories are harmful to the animals and plants. (板书并讲解。) be harmful to Step 2 Prese
8、ntation 第二步 呈现(时间:8分钟) 1. (要求学生不看书，只听录音，捕捉要点，回答问题，提高听力水平。) T: Listen to the tape carefully, then answer these questions. (学生根据黑板上所提出的问题，听录音1a。) (1)Can you say something about West Hill in the past？ (2)What did they see on the West Hill two days later? 2. (找学生回答并核对答案。) Step 3 Consolidation 第三步 巩固(时间:
9、8分钟) 1. (播放录音1a，让学生跟读，注意语音和语调。) T: Listen to the tape and read after it. Imitate the pronunciation and intonation carefully. 2. (齐读对话，以保证全体学生参与活动。) T: Now lets read together. Go! 3. (分角色朗读。教师读括号内的说明文字。) T: Lets act out the dialog. S1 act Jane, S2 act Maria 4. (小组讨论。学生完成1b内容，老师抽查答案。) Ask several stud
10、ents to read out the answers and make sure their answers are correct. 5. (要求学生根据提示词，用第三人称复述对话。) T: Try to use the key words in 1b to retell 1a. Example A: In the past, West Hill was a beautiful place with flowers and grass. We could see bees and butterflies flying. The water was very clean and we co
11、uld see fish swimming. But now, all the flowers, grass, bees, butterflies and fish have gone. Why? Because there are several chemical factories pouring waste water into the streams. So we should protect the environment. Step 4 Practice 第四步 练习(时间:10分钟) 1. (播放录音2，让学生听后完成2。) T: We know, without plants
12、and animals, West Hill isnt beautiful. So plants and animals are important. Lets look at the lovely animals in the pictures in 2. Listen to the tape and write down the right order of the pictures. (若学生没听懂，可再放一遍，和学生核对答案。) 2. (教师指着鼻子做呼吸困难状。) T: The air is terrible. Its hard for me to breathe. (板书并讲解 b
13、reathe。) T: The factory behind our school is very harmful. It has caused air pollution. (教师用土壤污染图片引出“soil”生词。) T: Look at the picture. Its a picture of soil pollution. (让学生看图片，完成3a。) Lets look at the pictures in 3a, match them with the phrases given. (教师与学生核对答案。) T: Lets look at the pictures again.
14、What problems will they cause? (学生两人一小组讨论。) T: Its a picture of air pollution. What problems will it cause? Group1: It will cause breathing problems. Group2: It makes people sick. (教师把引起的问题板书在图片的旁边/下面。) breathing problems make people sick (用类似的方法讨论其他几种污染的问题，教师板书关键词。) (板书在图片下面) animals plants die peo
15、ple cant drink 3. (让学生完成3b。) T: Please use the phrases in 3a to complete 3b by yourselves. (教师与学生核对答案。在此过程中让学生猜出生词“influence” 在句中的意思。) 4. (让学生读3b的句子，加深理解各种污染的危害。) T: Please read the sentences in 3b. Step 5 Project 第五步 综合探究活动(时间:4分钟) 1. Guessing games. (教师让一学生到前台，从所提供的有关污染的图片中任取一张“正面”面向全体学生，背面面向自己。台下
16、学生描述图片上的内容或引起的污染问题，让台上的学生猜出该种污染的名称。) T: Everyone of you can describe the picture. And the student in the front of the classroom tries to tell us what kind of pollution it is. Example A: S1 : (任意抽取一张图片) S2 : Its produced in a factory. S3 : It smells terrible. S4 : Its harmful to our lungs. S5 : Its b
17、lack smoke. S1 : Air pollution. 2. Homework: Make a survey. (调查你们家附近的环境状况，并填写表格，以增强学生的环境意识。) T: Now make a survey to study something around your home, fill in the forms. Pollution Reasons Cause problems Air pollution Soil pollution Water pollution Light pollution Noise pollution Litter 板书设计： Section
18、 B The main activities are 1a and 3. 本课重点活动是1a和3。 . Teaching aims and demands 教学目标 1. Learn some new words: weak, produce, chest, army, secretary, fisherman, dead 2. Learn the present perfect tense with for/ since: How long have you been like this? I have been like this since last month. Xiao Li has
19、 been in the army for 1 year. His secretary has kept this book since several days ago. My pet rabbit has been dead for 2 days. 3. Learn some expressions about expressing complaint: (1) Its difficult for me to breathe. (2) The bad air makes my chest hurt. (3) I cant sleep well at night. (4) Im always
20、 in a bad mood. (5) I cant stand the environment here. . Teaching aids 教具 多媒体图片/幻灯片/自画的图片/录音机/小黑板 . Five-finger Teaching Plan 五指教学方案 Step 1 Review 第一步 复习(时间:12分钟) 1. (检查上节课的作业，让学生汇报调查的结果。然后利用过去式介绍自己来校执教时间，引出现在完成时与时间连用的句式。) T: You know, I am a teacher. When did I come to our school? Do you know? Ss:N
21、o. T: I came to our school 7 years ago. How long have I taught in our school? Ss:(教师作“7”的手势引导学生回答。) Seven years. (板书) How long have I taught in our school? For 7 years./ Since 7 years ago. T: Yes. I have taught in our school for seven years. That is to say, I have taught in our school since 7 years
22、ago. When did you come to our school? Ss:Two years ago. T: How long have you been at our school? S1:For 2 years/ I have been at our school for 2 years. T: That is to say, S2:I have been at our school since 2 years ago. T: Very good! (转向其他学生) T: How long have you been a student of Grade 9? S3:For a m
23、onth. (教师鼓励另一种说法。) T: That is to say, S4:Since a month ago. T: How long have you been a Young Pioneer? S5:I have been a Young Pioneer for 8 years. S6:For 8 years / Since 8 years ago. (板书并讲解) How long have you been? For 8 / 7 years / Since 8 / 7 years ago. for+一段时间 since+时间点 since a month ago=since l
24、ast month (让学生观察并引导他们总结出：“how long”对时间段提问。它的答语是“for+时间段或since+时间点”。) 2. (教师用上一课的1a引出新的词汇，既练习了新的语法句型又引出了新的词汇。) T: Please look at Section A and read 1a again. Find the answer to the question: When did the children reach West Hill? Ss:Two days later. T: Youre right. They planned to go for a picnic, and
25、 two days later, when the children reached West Hill, could they have a picnic there? Ss:No. T: Why? Ss:The flowers, grass, rabbits, bees and fish have gone. The chemical factories are pouring waste water into the streams. T: (指着排放的浓烟)And what is the factory making? Ss:Its making smoke. T: Yes, its
26、producing smoke. Its producing terrible gas. (教师做捂鼻皱眉状。)Its difficult to breathe. T: So the terrible gas can make peoples chest hurt (教师做捂胸皱眉状。) (板书并讲解) produce terrible gas, chest T: What other problems will it cause? S1:It will make lots of noise. S2:Maybe people cant sleep well. T: Yes, so people
27、 may be in a bad mood. Do you like to live in the place like todays West Hill? Ss:No. T: Perhaps the people living on West Hill dont want to live there. They must want to manage to leave there. Why? They cant stand the environment there. (板书) manage to do sth. =succeed in doing sth. cant stand the e
28、nvironment T: Pollution causes too many problems. We should do something to stop it. Step 2 Presentation 第二步 呈现(时间:5分钟) 1. (教师通过挂图呈现1a的内容。) T: Look at the picture. Who are they in the picture? Ss:They are Kangkang and granny. T: What other things can you see? S1:I can see some dead fish. S2:The bird
29、 in the tree has died. S3:Some chemical factories are producing terrible gas. S4:Factories are pouring waste water into the river. T: So it causes water pollution and air pollution. Look at Kangkang and granny, what are they talking about? Listen to the tape first, and then answer this question. (教师
30、放1a录音，学生听后回答问题。) T: Please answer the question. Have you found out the answer? Ss:Yes, they are talking about pollution. T: OK, listen to the tape again and finish the questions in 1b. (教师再次放录音，让学生抢答1b的问题。教师板书重要语言点。) (在学生回答第三个问题时。) T:“She has been like this since last month. ”, how to say this sente
31、nce in another way, S4? S4: She has been like this for one month. Step 3 Consolidation 第三步 巩固(时间:11分钟) 1. (教师再放1a录音，学生朗读并注意语音语调。) T: Read after the tape. Pay attention to the pronunciation and intonation. 2. (学生分四组齐读课文，看哪一组读得最整齐、准确，给他们组画一个红旗。) T: Which group is the winner? Ss:Group 1/ Group 2 3. (教师
32、要求学生借助图片和1b的答案，复述这篇对话。) (1)T: Look at the picture and the key words on the blackboard. Now lets retell the passage together. (从整体再到部分，学生不会掉队。) (2)T: Who can retell the passage? (指定一些学生分别复述，检查效果。) 4. (学生两人一小组讨论2中的问题，编对话，教师必要时给予帮助。) (教师补充一些问题并用小黑板出示。) Do you live in a city / town / village? Do you lik
33、e your city / town / village? Are there any chemical factories in your city / town / village? If there are some chemical factories, are they near your school? If there arent any chemical factories, please describe the environment of your school. What was your city / town / village / school like a fe
34、w years ago? For example: S1: Do you live in a city? S2: Yes. S1: Do you like your city? S2: In the past, I liked my city. But now I dont like it. S1: Why? S2: Because there are some chemical factories. They have polluted our city. S1: Are they near your school? S2: Yes, its behind our school. S1: W
35、hat was your city like a few years ago? S2: It was a beautiful city. The air was fresh. And the water was clean. There were beautiful flowers and grass around the buildings. And we could hear birds singing in the trees in the morning. S1: Wow! Pollution is so harmful to your city. So do ours. We sho
36、uld protect our city. S2: Yes, Its our duty to protect our environment. Step 4 Practice 第四步 练习(时间:12分钟) 1. (问S2。) T: How long have the factories polluted your city? S2:Since a few years ago / For a few years. (教师画出类似数轴的图。) (板书) a few years present Past pollute pollute T: You mean people have pollute
37、d your city, like this? S2:Yes. (教师出示一张图片，问S2。) T: Whats the man doing? S2:Hes fishing. T: Yes. Hes a fisherman. The fisherman bought the VCD yesterday. How long has he had the VCD? (板书句子并在had下加下画线引起学生注意。) S2:He has bought the VCD since yesterday. (纠正并解释终止性动词不能与for和since连用。) T: No, we should say lik
38、e this: He has had the VCD since yesterday. (板书) T: What does she do? S2:“秘书”。 T: Yes. Shes a secretary. (板书并讲解secretary。) T: She borrowed this book several days ago. How long has she kept the book? (教师板书句子指着kept引导学生回答。) S2:She has kept the book for several days / since several days ago. T: (指着一名战士的
39、图片。)Now he is a soldier. He joined the army last year. (板书并讲解) join the army T: How long has he been in the army? (板书) How long has he been in the army? (教师指着been in 引导学生回答。) Ss: He has been in the army since last year. / for one year. (让学生观察、分析板书的例句与教师共同总结规则。句中有for+时间段/since+时间点。how long的谓语动词需用延续性动
40、词，所以我们要把短暂性的谓语动词变成延续性的谓语动词。) 3. (1)(让学生看3中图，找出短暂性谓语动词和复习可以替换这些动词的延续性的谓语动词。) (板书) left (leave) (教师列出其他的短暂性谓语动词变延续性谓语动词的词。) become / come / go / arrive be die be dead begin be on finish be over close be closed open be open (2)(让学生完成3中的转换，然后教师与学生核对答案。) (3)(让学生把3中的所有的句子细读一遍以便更好地掌握短暂性动词与延续性动词的转换。) T: Ple
41、ase read the sentences and remember them by your heart. Step 5 Project 第五步 综合探究活动(时间:5分钟) 1. Group competition. 教师说出一个过去时的句子(含有过去式时间状语)，让学生分组竞赛把它改为现在完成时，既可用since引导时间点也可以用for引导时间段。 For example: T: I bought an English dictionary last year. Group 1: You have had an English dictionary since last year/for one year. T: My grandpa died 2 weeks ago. Group 2: Your grandpa has been dead for 2 weeks / since 2 weeks ago. 2. Homework. (利用本节所学的现在完成时的用法，写一篇关于自己出生以来的生活及学习经历。) Write an article about your life with the present perfect tense we learn today. 板书设计：
