【高效实用备课】Unit 13 We're trying to save the earth同步教案共5课时（新目标九年级全册）

中小学教育资源及组卷应用平台
2024春九全英语Unit 13教案共5课时
Unit 13 We're trying to save the earth!
本单元主题属于“人与自然”范畴，涉及“环境污染及原因，环保意识和行为”，并用主题图片表现噪音污染、空气污染和水污染等内容，目的是为了让学生对环境的破坏有一个直观的认识，从而激发学生强烈的社会责任感和对社会未来发展的思考。
Section A的重点是让学生掌握与环境污染和环境保护相关的词汇和句型，同时引导学生关爱动物、保护环境。教学难点是让学生学会正确使用连词和结合生活实际讲述如何保护环境。
Section B在Section A所学的基础上，进一步谈论如何保护环境。教学重点是让学生了解环境保护的方式，并落实到积极的行动当中，同时还有阅读策略和写作技巧的训练。教学难点是让学生在阅读文章2a之后，根据所给词根找出相应的衍生词，并理解前缀和后缀的不同用法。
1．理解、掌握和运用关于污染、环境保护和循环再利用的生词和短语，复习现在进行时、现在完成时和被动语态等的用法和结构。
2．能够运用现在进行时、现在完成时和被动语态等时态的句子描述环境污染、环境保护和循环再利用。
3．通过谈论污染，环境保护和循环再利用，培养学生爱护环境和保护动物的意识。
4．理解不同国家对环保工作做出的不同努力和贡献。
5.要学会充分利用词根和词缀积累词汇，提高记忆和识别单词的有效性。
1．重点：用现在进行时、现在完成时、情态动词以及used to句型来描述环境污染的事实以及如何保护环境的建议和呼吁。
2．难点：
(1)运用本单元的句型谈论环境的污染与保护。
(2)能阅读有关环境保护以及对污染的处理方式的文章。
Unit 13 We're trying to save the earth!
导入一　图片导入
Show the pictures about noise pollution，air pollution and water pollution to the students.
Then the teacher says，“Nowadays there is more pollution on the earth.Pollution problems are serious for us.What's the problem about pollution Do you know？”
And ask the students to say pollution problems.
导入二　词汇导入
1．教师在黑板上写出environment一词，让学生进行“头脑风暴”。
2．将学生能够联想到的词呈放射状写在黑板上。
3．将话题逐渐引入到“如何从身边的小事做起来共同保护环境”。
导入三　对话导入
T：Do you like animals What are they
S1：Yes，I like…
S2：Yes，I like…
T：But now these animals are in danger and our earth is in danger，too.Our environment is destroyed.What kind of pollution do you know
S1：The river is polluted…
S2：Many of animals are killed…
T：What should we do to protect our earth—our own home
S3：We shouldn't throw…
S4：We shouldn't waste…
T：All of you are great.Our earth needs us.Saving the earth begins with small things.Let's take action now!
1．听说课
(1)Listening to the tape
Step 1　教师要求学生先观察所听部分的句子，根据句子的意思和句法结构对需要填写的内容进行预测，帮助学生在听录音时更有效地捕捉关键词汇。
Step 2　教师播放录音，学生独立完成活动。
Step 3　教师再次播放录音，学生检查自己填写的内容，然后与同伴相互检查答案。
Step 4　学生听录音，跟读对话，教师提醒学生注意模仿录音中的语音和语调。
Step 5　学生阅读教材后面的听力材料，找出对话中导致air pollution和land pollution的原因。学生两人一组讨论生活中还有什么会导致这些污染。讨论结束后，选择两到三组学生汇报讨论结果。
(2)Role－play(分角色表演，深入理解环境保护的相关内容)
Step 1　教师提出问题让学生思考并回答，导入对话语境。
T：What are your ideas for solving the air pollution/waste pollution problem
S1：…
S2：…
Step 2　教师要求学生快速阅读对话，找出其中谈及的环境问题(air pollution，waste pollution)，帮助学生更好地理解对话的大意。
Step 3　要求学生再次阅读对话，找出关于空气污染和垃圾污染的解决办法，完成表格。
Pollution Ways to solve the problem
Air pollution
Waste pollution
Step 4　教师播放对话录音，学生跟读，模仿录音中的语音和语调，注意连读、重读、弱读和意群停顿。
Step 5　要求学生从对话中找出一些重要的表达方式，便于课后复习巩固。例如：
What are your ideas for…？
To cut down air pollution，we should…
So together，our actions can make a difference and…！
Step 6　学生分角色对话，要求其尽量模仿录音中的语音语调，并让其他同学进行评价。
2．阅读课
(1)Group work
把班上学生分成几个小组，讨论以下问题并进行小组比赛，看哪一组完成得又快又好！
Names What materials did they use？ What did they make？
Amy Hayes
Jessica Wong
Wang Tao
(2)复述
利用思维导图，帮助学生用自己的话复述课文。
Unit 13　We're trying to save the earth!
Period Ⅰ　Section A(1a～2d)
1．复习并学习与污染和环境保护相关的词汇。
2．复习现在进行时、现在完成时和被动语态等。
1．能正确运用现在进行时，现在完成时，被动语态，情态动词和used to 句型。
2．让学生有环境危机意识，并学会关注环境，保护环境。
1．重点：
(1)重点短语和句型。
(2)used to、一般现在时和现在进行时的用法。
2．难点：能听懂关于环境污染问题和环境保护的话题，并初步学会用重点句型谈论环境污染和环保的话题。
Step 1　Lead－in
1．Greeting
2．Discussion and review
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.
【设计意图】通过问答，导入话题，锻炼了学生的口语表达能力，为本节课的学习作铺垫。
Step 2　Work on 1a～1c
1a：
(1)Show pictures or play videos about pollution and talk about the pollution.
(2)Read 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.
(3)Ask students to say out the words they know about each kind of pollution.
1b：
(1)Read the instructions.Get the students to read the contents in the chart and think of what they will fill in the blanks.
(2)Play the recording for the first time.Students listen and fill in the words.
(3)Play the recording a second time.Ask them to check the answers.Then ask the questions.Students answer with full sentences.
(4)Ask more questions to help students learn more details.Then play the recording for the students to role－play the conversation.
1c：
(1)Show the key words of the conversation.Ask students to retell the contents in the chart.Like this：
What：dirty；bottom，rubbish；fish
Why：littering，putting waste
How：write to，close down；help to clean up
(2)Read aloud the model dialogue in 1c.Then in pairs，do the oral practice with more words.
(3)Ask two pairs to perform in class.
【设计意图】听说结合，第一时间向学生传达学习目标语言，通过对话练习和小组活动，使语言目标得以强化。
Step 3　Listening(2a～2b)
2a：
(1)Use PPT or pictures to show the four kinds of pollution.Get the groups of students to have a competition to say something about the pollution one by one.
land pollution：…
air pollution：…
noise pollution：…
water pollution：…
(2)Get the students to write down the words in their notebooks.
(3)Play the recording for the first time.Students listen and circle the kinds of pollution.Check answers with the class.
2b：
(1)Read the sentences in 2b.Predict the contents they will fill in.Play the recording.Students listen and complete the sentences.
(2)Play the recording again.Check the answers with the whole class.
【设计意图】2a，2b以听力训练的方式，让学生更深层次地理解和巩固所学目标语言。
Step 4　Work on 2c
1．Read the sample conversation in 2c.Then read the listening materials and discuss in pairs what causes the two kinds of pollution.
2．Students work in pairs，making dialogues.
3．Ask three pairs to role－play their conversations to the class.
【设计意图】进行初步的语言实践，鼓励学生大胆开口，巩固所学的功能句型。
Step 5　Work on 2d
1．Talk 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，…
2．Read the conversation in 2d quickly.Find out the problems about environmental pollution in the dialogue.
3．Read the conversation again.Ask the students to find the ways to solve the problems of air and waste pollution.
4．Follow the recording and read aloud the conversation.
5．Learn 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…
6．Role－play or read the conversation in pairs until fluently.
【设计意图】引导学生运用所学的功能句型，在尽量真实的语境中进行语言实践，培养学生运用目标语言进行交际的能力。
Step 6　Homework
1．Remember the words and phrases in this lesson.
2．Make a conversation according to the conversation of 2d.
Unit 13　We're trying to save the earth! Period Ⅰ　Section A(1a～2d) land pollution：… air pollution：… noise pollution：… water pollution：…
Unit 13　We're trying to save the earth!
PeriodⅡ　Section A(3a～4c)
1．复习已经学过的有关濒危动物和拯救地球的词汇，并阅读含有这些词汇的有关拯救濒危生物的短文。
2．总结现在进行时、现在完成时、被动语态、情态动词以及used to的用法。
1．能运用所掌握的语法，句型和词汇进行交流。
2．能比较流利地讲述自己曾经有的特别的经历。
3．通过学习有关污染和环保的内容，从而培养学生热爱自己生活环境的情感，保护环境从小事做起。
1．重点：读懂有关濒危动物和拯救地球的短文。
2．难点：理解、掌握现在进行时、现在完成时、被动讲态、情态动词以及used to的用法。
Step 1　Lead－in
T：Do you like animals Do you know the shark
S：I like animals.The shark is very big and…
T：Do you know about the shark fin soup Now many sharks are killed for this kind of soup.Sharks are fewer and fewer…
【设计意图】由鲨鱼数量减少作为话题导入本节课的学习，引起学生的兴趣，过渡自然。
Step 2　Presentation
1．Talk about the protection of endangered animals in our country.
2．Show pictures of sharks.
Step 3　Reading
●Before reading
1．Ask questions and think about these things：
(1)What do you know about sharks
(2)Do you know sharks are endangered？Why
(3)What might have caused a fall in the number of sharks
2．Discuss with students and present the new words：shark，fin，method，be harmful to，the food chain，ecosystem.
●While reading
1．Quickly read the article and check their answers to these questions.Help students to learn the new items.
2．Pay attention to the details of the passage.Get the students to find the sentences that have the information about the fact sheet.
3．Read the instructions.Scan the five sentences with blanks in 3b.
4．Read aloud the passage carefully.Fill in the blanks on their own.
5．Check the answers.Show the complete sentences on the board.And read them aloud.Discuss the use of the conjunctions：so，although，if，but，when.
●After reading
1．Read after the tape of 3a.
2．Retell the story according to the following mind map.
【设计意图】通过阅读分析文章，使学生的阅读分析能力在这一环节得以提升；通过复述训练学生的表达能力。
Step 4　Grammar Focus
1．Get the students to read the sentences in the grammar box and translate them into Chinese.
2．Explain the “Present progressive，used to，Passive voice，Present perfect，Modal verbs” to the whole class.
3．Get the students to make sentences using the structure：“Present progressive，used to，Passive voice，Present perfect，Modal verbs”．
【设计意图】与学生一起系统、全面地复习、总结本单元语法内容，明确其用法。
Step 5　Work on 4a，4b & 4c
1．Have the students fill in the blanks with the correct forms of the verbs in brackets in 4a individually.Then compare their answers with their partners.Check their work with several students.
2．Get the students to fill in the blanks with the appropriate modal verbs from the box in 4b individually.And then check their work with some students.
3．Ask the students to make a list of things that people can do to help protect the environment and discuss their list with their partners.And then check their work with some pairs.e.g.
A：I think that…should use…
B：I agree/disagree.It's…for…to use…
【设计意图】通过本环节的学习，使学生对前一阶段所学的知识进行复习巩固。
Step 6　Homework
1．Remember the words and phrases in this lesson.
2．Write a report to tell the class how to protect the environment.
Unit 13　We're trying to save the earth! PeriodⅡ　Section A(3a～4c) cruel，harmful，industry，law，scientific，afford，be harmful to，at the top of，the food chain，take part in，turn off，pay for，take action so，although，if，but，when be＋doing；used to＋do；have/has＋done；be＋done；should＋do
Unit 13　We're trying to save the earth!
Period Ⅲ　Section B(1a～1e)
通过听说训练来学习与环境污染、保护环境、保护濒危动物和拯救地球相关的词汇。
1．通过听力训练，学生能听懂关于环境污染和保护环境的听力材料，提高学生的听力能力。
2．能正确运用现在进行时态，used to结构，现在完成时态，被动语态和情态动词谈论与环境污染和环境保护相关的话题。
3．通过让学生从环保的角度谈论应该和不该做的事情，激发学生的环保意识。
1．重点：
(1)提高学生的听力能力，让学生练习使用目标语言。
(2)提高学生的口语交际能力。
2．难点：
(1)用目标句型编造对话。
(2)通过听说训练让学生听懂Julia和Jack所谈论的事情。
Step 1　Lead－in
1．Greeting.
2．Play videos about our environment to lead the students into the lesson.
3．Let the students discuss the following questions：
(1)What can we do to help our environment
(2)How can we help to stop air/land/water pollution
(3)What can we do at school
【设计意图】通过观看视频、小组讨论的方式，激发学生的学习兴趣，让学生积极主动地参与到课堂中。
Step 2　Warming up(1a～1b)
1．Get the students to make a list of the ways of what we can do to save the earth，using the results of the discussion at Step 1.
2．Then say in which ways they have done well.
3．Make the students read the items in 1a and rank them from 1 to 5.
4．Ask the students to compare their answers in 1a with their partners.
【设计意图】通过排序，让学生了解保护环境的基本方式，为接下来的听说训练奠定基础。
Step 3　Listening(1c)
1．Get the students to read the introduction of 1c and read the phrases in the first column.Let them learn the meaning of them.
2．Play the recording for the first time.Let the students check the things that Julia and Jack talk about.Check the answers with the class.
Step 4　Listening(1d)
Get the students to read the introduction of 1d.Play the recording for a second time.Get the students to finish the task in 1d.Play the recording once more.Ask the students to repeat and check the answers.
【设计意图】利用精听训练来培养学生听细节、听关键信息的能力。
Step 5　Pair work(1e)
1．Ask the students to read aloud the example conversation in 1e.Then ask a few pairs to role－play the conversation.
2．Ask the students to make a new conversation using the information from the chart in 1c in pairs.
3．Ask three pairs to role－play their conversations to the class.
【设计意图】让学生体会所学的语言并提高口语交际能力，体现了“用英语做事”的理念。
Step 6　Homework
1．Make conversations about saving the earth with other students after class.
2．Write a conversation to talk about what we can do to help the environment.
Unit 13　We're trying to save the earth! Period Ⅲ　Section B(1a～1e) recycle，stop doing sth.，recycle sth.，turn off Recycling paper is really easy. It's hard to stop riding in cars. We really shouldn't use paper napkins.
Unit 13　We're trying to save the earth!
Period Ⅳ　Section B(2a～2e)
1．复习和学习与循环再利用相关的词汇：recycle，reuse，rethink。
2．通过阅读训练能读懂含有现在进行时、现在完成时、被动语态、情态动词和used to等时态的关于循环再利用的短文，并进行适当的语言积累。
1．能正确运用现在进行时，现在完成时，被动语态，情态动词和used to句型及宾语从句、定语从句等。
2．了解前缀与后缀可以改变单词的意思及用法。
3．通过阅读课文内容，让学生认识到废物回收利用的意义。
1．重点：
(1)重点短语和句型。
(2)读懂用现在进行时、现在完成时、被动语态、情态动词和used to写成的关于循环再利用的短文。
2．难点：
(1)能正确运用现在进行时、现在完成时、被动语态、情态动词和used to句型；
(2)理解前缀和后缀。
Step 1　Lead－in
(Show some things to the students.They are all made of things that people don't need anymore.)
T：The things are made of things that we don't need.Have you ever thought about how these things can actually be put to good use Today we will learn a passage about this picture.
【设计意图】利用“变废为宝”制作出来的物品导入新课，易于激发学生的学习兴趣，便于开展教学活动。
Step 2　Brainstorm(2a)
1.Help the students to understand requests of 2a.
2.Ask and answer between the teacher and the students to finish 2a.
【设计意图】激发学生对阅读短文的相关背景知识的兴趣，便于加强学生对短文内容的理解。
Step 3　Reading—Rethink，Reuse，Recycle！(2b)
1.Help the students to understand the requests of 2b.
2．Read the passage for the first time and answer two questions.
(1)Who is Amy Hayes
(2)How many people are mentioned in the passage Who are they
【设计意图】快速略读，整体感知，初步掌握文章大意。
Step 4　Reading again
1.Read the Paragraph 1，explain the language points and understand.
2．Read the Paragraph 2，explain the language points and answer three questions.
(1)Did Amy Hayes win an award What was it from
(2)Where did her windows and doors come from
(3)What does the sentence “she lives in a house in the UK that she built herself out of rubbish” mean
3.Read the Paragraph 3，explain the language points and answer three questions.
(1)Is Jessica Wong good at recycling What does she do
(2)Where does she sell her bags
(3)What will she write in her book
4．Read the Paragraph 4，explain the language points and answer two questions.
(1)What does Wang Tao hope to set up Why
(2)Translate the sentence “Not only can the art bring happiness to others，but it also shows that even cold，hard iron can be brought back to life with a little creativity.” into Chinese.
【设计意图】分段精读，边读边回答问题，让学生完全掌握文章意思，培养阅读能力。
Step 5　Reading once more.
Read the passage and complete the chart in 2b.
【设计意图】巩固新知识点
Step 6　Review and retell the story.
1．Read the text again and then finish the following mind map.
1．rubbish　2.old__buildings　3.upside__down　4.glass__bottles　5.bags
6．a__website　7.new__ways　8.old__cars　9.metal__art
10．environmental__protection
2．Retell the story using his/her own words according to the map.
【设计意图】通过思维导图复习回顾课文内容；通过复述训练学生的表达能力。
Step 7　Homework
1．Remember the words and phrases in this lesson.
2．Make a list of things that need to be done to save the environment.
Unit 13　We're trying to save the earth! Period Ⅳ　Section B(2a～2e) Rethink，Reuse，Recycle! rethink，reuse，unusual actually，building，creative，recently，environmental，importance，protection，inspiration especially Prefixes：re－un－dis－in－/im－/il－ Suffixes：－ly－ful－less－ness－ship－ese－er/－or－y－al－hood－ing－ed－tion－sion－tive－ment
Unit 13　We're trying to save the earth!
Period Ⅴ　Section B(3a～Self Check)
1．学习写环保建议信。
2．复习本单元学习的重点词汇和语言结构。
1．复习本单元重要词组和句型。
2．学习给市长写一封信关于你所在城市的环境问题以及你的建议。
3．让学生热爱我们生活的地球，保护环境，树立正确的环保意识。
1．重点：
(1)复习本单元重要词组和句型。
(2)能够运用所学的知识完成本单元的写作。
2．难点：如何写一封有关环境问题及个人建议的信。
Step 1　Lead－in
T：There must be some nice places.And there are some places that need to be improved in our hometown.Now please say something about your hometown.
【设计意图】从谈论自己家乡的环境入手，既可以完成本节课的学习目标，又能活跃课堂气氛。
Step 2　Work on 3a
1．Show a few pictures about the neighborhood.Talk freely with the students.
Where is this？Is it a nice place？Why or why not？What are the problems
2．Read the instructions in 3a.Discuss the questions in group.Let students express their opinions.Then finish the task.
3．Ask some students to report their discussion.
【设计意图】通过填表进行写作思路及内容上的准备，旨在激发学生的兴趣，并提供写作素材。
Step 3　Guidance on writing methods
【典型例题】
假如你校英文报近期开展“保护环境，从我做起”的主题演讲活动，要求每位学生写一封倡议书，号召全校师生从小事做起，维护我们赖以生存的环境。请你据此写一封英文倡议书。
要求：
1．语句通顺，语法正确，可适当发挥；
2．词数80左右。
◆◆思路点拨
◆◆连句成篇
Dear teachers and students，
A clean environment can help people feel happy and healthy.But now our environment has become worse and worse.So how can we help to protect it Here are some ways.
First，we can stop__driving__our__private__cars．We can go to school or work on foot or by bus.It not__only can protect__the__environment，but__also__is__good__for our health.Second，we__are__supposed__to__sort__the__rubbish__into__different__kinds because some can be reused or recycled.Third，we should turn__off__the__lights when leaving a room.What's__more，stop__littering! It's necessary to put things you don't need in the bin.
There's a lot for us to do.I think if everyone does something，our environment will become better and better.
【设计意图】通过一篇典型例题的讲解，用思维导图的形式，让学生了解如何谋篇构局来完成一篇英语作文。
Step 4　Work on 3b
1．Read the instructions.Show the writing points on the board.Learn how to finish the letter.
2．Write the letters on their own.
3．Exchange their writing work with each other.They can learn from each other and help each other.
4．Check their work with the whole class.Ask three students to read aloud their letters.
【设计意图】旨在训练学生利用3a表格信息构建连贯语篇，通过提供语言提示引导学生整理信息，帮助学生独立完成写作任务，提升学生的语言书写能力。
Step 5　Work on Self Check
Activity 1：
(1)Read the demand and know what to do.Students finish the task on their own.
(2)Students discuss the word formation.
(3)Check the work with each other.Learn the words and the prefixes and suffixes.Think of more words.
Activity 2：
(1)Teach the students the meaning of the grammar item in Chinese.
(2)Match each sentence with the grammar structure.
(3)Ask them to write another sentence for each grammar structure.Tell the students to write their sentences on the blackboard and check them.
Activity 3：
(1)Write the four kinds of pollution.Discuss ways to cut them down in groups.
(2)Students write ways to cut them down.
(3)Share their ways.
【设计意图】
Step 6　Homework
1．Practice giving suggestions to protect the environment after class.
2．Write ways of cutting down the four kinds of pollution.
Unit 13　We're trying to save the earth! Period Ⅴ　Section B(3a～Self check) present progressive，modal verbs，passive voice，used to，present perfect need to be improved，cause these problems，is getting worse and worse
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