人教版九年级英语Unit13 Section A导学案(2课时含反思)

Unit13 SectionA〔3a-4c〕精品导学案1. Phrases:一碗鱼翅粥_____________________切除，切断___________________对……是有害的____________________在……顶部____________________食物链_______________________濒临危险_________________________参加_____________________帮助〔走出困境〕___________________支付得起____________________关掉电灯___________________付费，付出代价____________________采取行动____________________2. Have you ever taken part in an environmental project?你曾经参加过环境保护活动吗？辨析：join, join in 和take part inWill you join us in the discussion? 你参加我们的讨论吗？She joined the Young Pioneers. 她参加了少先队。

Why didn't you join in the talk last night? 昨晚你为什么没参加座谈？Did you take part in the sports meet? 你参加运动会了吗？【小试牛刀】单项选择。

①—Have you _____ a club?—Yes, I’m in a swimming club and I often _____ the swimming training.A. joined; take part inB. joined; joinC. taken part in; joinD. taken part in; join in②—We’re going for a picnic. Would you like to____ us? —Why not? Let’s go!A. attendB. joinC. join inD. take part in③—Are you going to _____ any of the events?—Yes. Maybe long jump and high jump.A. take part inB. joinC. attendD. join in3. We can’t afford to wait any longer to take action!我们不能再等了，要采取行动了。

Unit 13We're trying to save the earth!The First Period—Section A(1a－2d)Teaching Important Points【教学重点】Key words & phrases：litter，bottom，fisherman，coal，ugly，advantage，cost，wooden，plastic noise pollution，air pollution，water pollution，be full of，play a part in，turn…into，cut down air pollutionKey sentences：1.Even the bottom of the river was full of rubbish.2.It used to be so clean.3.Everyone in this town should play a part in cleaning it up.4.The air is badly polluted because there are more cars on the road these days.5.The air has become really polluted around here.6.We're trying to save the earth.Key structure：should＋do；used to＋do；have/has＋done；be＋done；be＋doinge．g.Everyone should help to clean up the river.The air has become really polluted.I used to be able to see stars in the sky.The air is badly polluted.Teaching Difficult Points【教学难点】★Practice the structures to talk about pollution and environmental protection.Teaching Aids【教学工具】A tape recorder，CAI or multimedia courseware.Teaching Steps【教学过程】★Step 1Leading in【新课导入】1．Greeting2．Discussion and reviewDiscuss with the students，like this：T：What kinds of pollution are there these days?S：…T：What causes the pollution?S：…3．Review the words and expressions about the topic.★Step 2Cooperative inquiry【合作探究】1．Finish the task in 1a①Show pictures or play videos about pollution and talk about the pollution.②Read these phrases in 1a.Look at the pictures in 1a and say what they see in the pictures.Write down the words and add more words.③Ask students to say out their words in each kind of pollution.2．Finish the task in 1b①Read the instructions.Get the students to read the contents in the chart and think of what they will fill in the blanks.②Play the recording for the first time.Students listen and fill in the words.③Play the recording a second time.Ask them to check the answers.Then ask the questions.Students answer with full sentences.④Ask more questions to help students learn more details.Then play the recording for the students to role－pay the conversation.3．Finish the task in 1c①Show the key words of the conversation.Ask students to retell the contents in the chart.Like this：What：dirty；bottom，rubbish；fishWhy：littering，putting wasteHow：write to，close down；help to clean up②Read aloud the model dialogue in 1c.Then in pairs，do the oral practice with more words.③Ask two pairs to perform in class.4．Finish the tasks in 2a－2b①Use PPT or pictures to show the four kinds of pollution.Get the groups of students to have a competition to say words about the pollution one by one.land pollution：…air pollution：…noise pollution：…water pollution：…②Get the students to write down these words in their notebooks.③Play the recording for the first time.Students listen and circle the kinds of pollution.Check answers with the class.④Read the sentences in 2b.Predict the contents they will fill in.Play the recording.Students listen and complete the sentences.⑤Play the recording again.Check the answers with the whole class.5．Finish the task in 2c①Read the sample conversation in 2c.Then Read the listening materials and discuss in pairs what causes the two kinds of pollution.②Students work in pairs，making dialogues.③Ask three pairs to role－play their conversations to the class.6．Finish the task in 2d①Talk about the picture in 2d.Ask：What are your ideas for solving the air pollution/waste pollution problem？Present the new words in the conversation.Such as，coal，advantage，wooden，plastic，takeaway，bin，…②Read the conversation in 2d quickly.Find out the problems about environmental pollution in the dialogue.③Read the conversation again.Ask the students to find the ways to solve the problems of air and waste pollution.④Read aloud the conversation by the recording.⑤Learn the useful expressions：What are your ideas for doing…To cut down air pollution，we should…So together，our actions can make a difference and…⑥Role－play or read the conversation in pairs until fluently.★Step 3Homework1．What are your ideas for solving the waste pollution problem?2．Write the words about the four kinds of pollution.3．Translate the following sentences into English.(1)我们正在想办法拯救地球。

人教版英语精品资料Unit 13 We are trying to save the earth!课时分解第一课时Section A（1a ~ 2d）II. 课堂环节§自主学习方案【自学自查】根据汉语提示完成单词。

1. We should put up notice to stop from littering (乱扔）。

2. The teacher asked us to find a way to pickup the coins at the bottom (底部）of the bottle.3. There are no more fish for fishermen (渔夫）to catch in the river.4. We should take the paper bags to go shopping instead of the plastic (塑料）ones.5. Could you please tell us another advantage(优点）of riding bike to work?§课堂导学方案Step 1 情景导入（参考案例）用多媒体给学生播放一些有关环境污染的图片或视频，然后询问学生对环境污染的看法和观点。

Teacher:What kinds of pollutions do you know？What do you feel about the pollution?Students: I think there are____.① noise pollution②air pollution③waterpollution…环节说明：通过视频和课前的一个师生问答互动引入新课的话题Step 2 完成教材1a-1c的任务【操作案例】1. 要求学生翻开课本P97，迅速阅读1a部分的内容。

把方框中的单词按它们产生污染的类型写入相应的栏目中，并添加更多的单词。

Unit13 SectionA〔2a-2d〕优质课教案Shizhi Middle School Xu WeiTeaching Objectives:1. Knowledge objectivesThe students can master the key words: ugly, advantage, cost, wooden, plastic, takeaway, bin.The students can master the useful expressions: throw away, take the bus, instead of, be good for, remember to do, make a difference, lead to.2. Ability objectivesThe students can learn more about pollution and environmental protection.The students can listen for the key words and talk about what they can do to save the earth.3. Moral objectivesWe have only one earth. Let's join together and save it for our future.Teaching Key Points:1. New words, expressions and some important sentences.2. Learn more about pollution and environmental protection.Teaching Difficult Points:1. Master the main ideas and details of the listening materials.2. Talk with others about what they can do to save the earth.Teaching Methods:Communicative teaching methodTask-based teaching methodTeaching Procedures:Step 1 Revision & Lead-in1. I will greet the class. At the beginning of the class, we will enjoy a song.2. Look and say. What kind of pollution has been shown in this picture? What do you think has caused this pollution?Step 2 Listening 2a &2b1. Listen to the interview. Circle the kinds of pollution that Jason and Susan talk about. Listen for twice if the students need.I will ask two students to share their answers with the class and check them.2. Listen again and complete the sentences. Listen for twice if the students need. I will ask one student to write their answers on the screen and check with the class.Step 3 Take a quiz1. Are you a friend of the earth? What do you usually do?2. Ask some students to choose what they usually do when they finish drinking a can of cola / when there are a lot of old newspapers at your home / when they go shopping / when they write on a piece of paper .Step 4 Watch and think1. Let’s watch a video. What you can see in it?2. Can we do something to save the earth?Step 5 Discussion1. What can you do to save the earth in our lives?2. What can you do to save the earth in our school?Step 6 Summary1. I will ask the students what are learned in this class.2. We will read the phrases on the screen together.Step 7 Homework1. Remember the new words and expressions.2. Write about what you can do to help save the earth in your life.Blackboard Design。