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九年级英语unit13教案【篇一：九年级英语第十三单元教案unit 13 we】unit 13 we’re trying to save the earth!一、教学目标：1. 语言知识目标基本词汇：litter, advantage, bottom, fisherman, coal, ugly, cost, wooden, plastic, takeaway, bin,shark, fin, method, cruel. harmful, chain, ecosystem, industry, law, scientific, afford,reusable, transportation, recycle, napkin, upside, gate, bottle, president, inspiration,iron, work, metal, creativity,基本词组：be harmful to, at the top(of sth.), take part in, turn off, take action, throw away, put sth.to good use, pull… down, bring back基本句型：we’re trying to save the earth! the river used to beso clean.the air is badly polluted. no scientific studies have showedthat shark fins are good for health.we should help save the sharks.2. 技能目标: 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。
3. 情感目标: 有环境危机意识，学会关注环境保护环境。
二、教学重难点：1. 教学重点：（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。
Unit 13We're trying to save the earth!本单元围绕环境保护的话题，并用主题图片表现噪音污染、空气污染、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2a文章之后，根据所给词根找出衍生出的不同词汇，并理解前缀和后缀的不同用法。
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，plasticnoise 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 havea 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。
Unit 13 We’re trying to save the earth!教案知识导航语言目标谈论污染和环境保护。
Section A 重点单词1. litter v.乱扔n.垃圾2. bottom n.底部3. coal n.煤4. ugly adj.丑陋的 5. cost v.花费n.花费 6. wooden adj.木制的(wood n.木材) 7.plastic adj.塑料的n.塑料8. method n.方法9. cruel adj.残酷的10.harmful adj.有害的(harm n.害处) 11. industry n.工业12. law n.法律13. afford v.承担得起重点短语1.make a difference 起作用；有影响2. take part in 参加3. turn off 关掉4. pay for 付费；付出代价5. cut down 减少6. lead to 导致7. hear of听说8. cut off 切除重点句型1.We’re trying to save the earth. 我们在努力拯救地球。
2. The rive used to be so clean. 这河流过去是如此的清澈。
3. The air is badly polluted. 空气被严重污染。
4. The method is not only cruel, but also harmful to the environment. 这种方法不仅残酷，而且对环境也有害。
Section B +Self Check 重点单词1. recycle v.回收利用2. gate n.大门3. bottle n.瓶子4. president n.负责人 5. work n.作品 6. metal n.金属重点短语1. throw away 扔掉2. put sth. to good use 好好利用3. put … down 拆下 4. upside down 上下颠倒 5. bring back 恢复重点句型1. And the gate in front of her house is made of rocks and old glass bottles.她房子的前门是由岩石和旧玻璃瓶子制成的。
Unit 13 We’re trying to save the earth!教学案班级姓名编号日期主备审稿________【学习内容】Unit 13 We’re trying to save the earth . Section A 1a-2d【学习目标】1. 掌握litter ,ugly ,advantage , cost ,wooden ,bottom ,fisherman, coal, plastic , takeaway ,bin，the bottom of, make a difference等单词和短语。
2．掌握Even the bottom of the river was full of rubbish.Everyone in town should play a part in cleaning it up.等句型。
3．能听懂关于环境污染和环境保护的听力材料。
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环境污染和环境保护。
通过谈论环境污染，学生能培养自己的环保意识。
做到：保护环境，从我做起，从小事做起。
【自主学习】预习课本，找出重点短语.【自学检测】翻译（请同学们关上课本独立完成,完成后对子间相互批阅。
）拯救地球__________________ 大量的黑烟__________________ 大声的音乐__________________ 太多的垃圾和废物_________________噪音污染__________________ 在公众场合__________________河流底部__________________ 变成丑陋的地方________________ 参与__________________减弱空气污染__________________废物污染__________________ 木头筷子__________________被严重污染__________________塑料叉子__________________燃烧煤块__________________创造一个更好的未来______________【合作探究展示】Step 1 情景导入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。
Unit 13 Were trying to save the earth!Period 3一、教学目标：Language aims:1．Key words：shark，fin，cruel，harmful，chain，ecosystem，industry，law，scientific2．Key phases：be harmful to，at the top of，the food chain，so far, not only… but also…3．Sentence pattern:Many have heard of shark fin soupThis is not only cruel, but also harmful to the environment.The numbers of some kinds of sharks have fallen by over 90 percent in the last 20 to 30 yearsEmotion aim: learn how to protect animals in danger二、学情分析本课内容是关于充满神秘感的海洋生物——鲨鱼的，所以学生很感兴趣。
三、重点短语及句型短语：be harmful to，at the top of，the food chain，so far, not only… but also…句型：Many have heard of shark fin soupThis is not only cruel, but also harmful to the environment.The numbers of some kinds of sharks have fallen by over 90 percent in the last 20 to 30 years教学过程：Step1Lead inTeacher: There are many kinds of pollution in our daily life. They are not only seen on the land, but also in the ocean. In the deep sea, there’re many kinds of creatures, but some of them are in danger.意图：把话题引入神秘的海洋，过渡自然，引起学生的兴趣。
Unit 13 We’re trying to save the earth!
一、教学目标：
1. 语言知识目标
基本词汇：litter, advantage, bottom, fisherman, coal, ugly, cost, wooden, plastic, takeaway, bin, shark, fin, method, cruel. Harmful, chain, ecosystem,
industry, law, scientific, afford, reusable, transportation, recycle,
napkin, upside, gate, bottle, president, inspiration, iron, work, metal,
creativity,
基本词组：be harmful to, at the top(of sth.), take part in, turn off, take action, throw away, put sth. to good use, pull… down, bring back
基本句型：We’re trying to save the earth!
The river used to be so clean.
The air is badly polluted.
No scientific studies have showed that shark fins are good for health.
We should help save the sharks.
2. 技能目标: 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。
3. 情感目标:有环境危机意识，学会关注环境保护环境。
二、教学重难点：
1. 教学重点：（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）保护环境的措施方法。
2. 教学难点：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。
三、教学步骤:
Section A 1 (1a-2d)
I. Presentation
Show the picture of the earth and tell students the earth is polluted now.
For example: (1) The factories that burn coal pollute the air with a lot of black smoke.
(2) Factories put waste into the river.。
