Unit 13 Section A 3a-3b
2014人教版新目标英语九年级Unit_13_We're_trying_to_save_the_earth_Section_A_3a-3b
The earth is badly polluted. Please think of the ways that we can do.
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close down the factories; help to clean up the river; take the bus or subway; ride a bike; bring a bag to go shopping, throw rubbish in the cans; turn off the lights when you leave a room; use paper or resusable bags; recycle books and paper; turn off the shower when you wash your hair; don't use napkins; rethink, reuse, recycle ... ...
Every species has its own reason to ['spi:ʃi:z] survive. Now that we human n.物种;种类;类型 appeared on the earth, we should [ˈhɑrməni] live in harmony with everything lives on it. Sometimes protecting n. 协调;融洽 一致;和谐 the wild animals is just a simple thing if everyone takes a small step.
Words Reviearmful to at the top of chain the food chain ecosystem industry law scientific
人教版九年级英语Unit 13 We're trying to save the earth! 全单元教案
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。
人教版九年级英语Unit 13 We’re trying to save the earth 教案
Unit 13We’re trying to save the earth!Section A(1a－2d)┃教学小结┃【板书设计】Unit 13We’re trying to save the earth!Section A(Section A(3a－4c)┃教学小结┃Section B(1a－1e)┃教学小结┃Section B(2a－2e)设计意图：读前预测，为学生在接下来的阅读中获取文章大意作准备。
思维导图可以帮助学生理清文章脉络。
Step 5：Use pictures to teach the new words.When students think about the questions in Step 3，the teacher can write down the new words on the blackboard.And teach them the new words.设计意图：适时呈现词汇，可以减轻学生的阅读压力。
While readingStep 6：Fast reading1.Ask students to look through the article quickly and find out the answer to each question.How many people are mentioned in the passage?Who are they?2.The teacher adds information to the mind-map.设计意图：扫读整篇文章，获取大意，帮助学生把握文章的整体性。
Step 7：Careful reading(Paragraph 2)1.Ask students to read Paragraph 2 carefully and fill in the chart.2.Check answers.3.The teacher adds the information to the mind-map.Step 8：Careful reading(Paragraph 3)1.Ask students to read Paragraph 3 carefully and fill in the chart.2.Check answers.Name What did she make？What materials did she use？Jessica Wong bags old clothes，especially old jeans3.The teacher adds the information to the mind-map.Step 9：Careful reading(Paragraph 4)1.Ask students to read Paragraph 4 carefully and fill in the chart.2.Check answers.Name What did he make？What materials did he use？Wang Tao beautiful art pieces iron and other materials from old cars3.The teacher adds the information to the mind-map.Which things can be done by common people every day？Which things have to be done by governments and organizations？Common people Governments Organizations2.Ask several groups to give a report.设计意图：教师让学生对所学的保护环境的措施进行归纳和分类，培养学生分析问题和解决问题的能力。
英语人教版九年级全册unit13 Section A (3a-3b)教案
方法
According to finishing some tasks to train students’ integrating skills and train the ability of expressing students’ own opinions．
情感
态度
Animals are our friends．We must know how to love them and how to protect them．That way, It is good for both animals and us．
2.Retell the story according to thekey words.
Step4Exercises
According to the passage, fill in the blanks.
Describe the pictures.
Discuss with partners.
“Have you ever seen a shark?”
3. Have the students fill in the blanks in 3b with the words in the box individually. And check their work with some students.
Step 3Post reading
1.Let Ss explain the passage.
学习策略
Reading for specific information.
Taking notes, cooperative learning.
重点
Target Language Nhomakorabea难点How to improve students’ integrating skills．．
人教版英语九年级全一册教案：Unit13SectionA（3a-4c）
第 1 页 Unit13 SectionA （3a-4c ） 教案1.0 Teaching analysis 教情分析1.1 Teaching objectives 教学目标 1.1.1 Language goals 语言目标1.1.1.1 Key Words and Chunks1.1.1.1.1 For applying: cruel, harmful, be harmful to, at the top of, industry, law, scientific, take part in, afford, turn off, pay for, take action1.1.1.1.2 For comprehending: shark, fin, chain, the food chain, ecosystem, reusable, transportation1.1.1.2 Sentence Structures1) M any have heard of shark fin soup.2) B ut do you realize that you’re killing a whole shark ut do you realize that you’re killing a whole shark each time you enjoy a each time you enjoy abowl of shark fin soup?3) T his is not only cruel, but also harmful to the environment.4) S harks are at the top of harks are at the top of the food chain in the ocean’s ecosystem.the food chain in the ocean’s ecosystem.5) I f their numbers drop too low, it will bring danger to all ocean life.6) W ithout a fin, a shark can no longer swim and slowly dies.7) T he numbers of some kinds of sharks have fallen by over 90 percent in the last 20 to 30 years.8) T hey have even asked governments to develop laws to stop the sale ofshark fins. 9) S o far, no scientific studies have shown that shark fins are good for health,so why eat them?10) We We can’t can’t can’t afford to wait any longer to take action! afford to wait any longer to take action!1.1.1.3 Grammar Focus1） But do you realize that you’re killing a whole shark But do you realize that you’re killing a whole shark each time you enjoy a each time you enjoy abowl of shark fin soup? (each time 引导时间状语从句，意为“每当…”) 2） This is not only cruel, but also harmful to the environment. (notonly…but also…连接两个并列成分，意为“不仅…而且…”)3） So far, no scientific studies have shown that shark fins are good for health,so why eat them? (so far 意为“到目前为止”，是现在完成时的标志)4） Without a fin, a shark can no longer swim and slowly dies. (no longer 意为“不再”，等于not … any longer)1.1.2 Ability goals 能力目标1.1.2.1 To review the present perfect tense and the passive voice.1.1.2.2 To enable Ss to learn some of the key words and expressions in the reading passage.1.1.2.3 To cultivate Ss to read for specific ideas and the structure of the passage.1.1.3 Emotional goals 情感目标1.1.3.1 To help Ss understand the present situation of sharks.1.1.3.2 To raise Ss’ awareness of protecting animals. 1.2 Important and difficult teaching points 教学重难点1.2.1Enable Ss to learn and apply the sentence patterns. 1.2.2 Enable Ss to know the sharks are in danger.1.2.3 Guide Ss to help save the sharks.2.0 Student analysis 学情分析2.1 Fundamental State 基本情况通过本单元第一课时的学习，学生基本上激活了已有的语言知识，对本单元的话题（pollution and environmental protection ）已经有所感知，对于environmental problems, how to solve air pollution, how to solve waste pollution 等内容有了更深入的学习。
人教版英语九全Unit13SectionA(3a3b)实用教学设计
3.合作学习，提高能力：
-采用小组合作的形式，让学生相互讨论、交流，提高学生的合作能力和解决问题的能力。
-鼓励学生在小组内分享学习心得，相互借鉴，共同进步。
4.精讲多练，巩固知识：
-对一般过去时的用法进行详细讲解，结合实例进行剖析，让学生更好地理解。
2.培养学生的跨文化意识，让学生了解并尊重不同国家和民族的文化差异。
3.培养学生的自信心和自主学习能力，使学生意识到学习英语的重要性，提高学生的英语学习兴趣。
4.通过学习名人的优秀品质，引导学生树立正确的价值观，培养学生的道德品质。
在教学过程中，教师应注重学生个体差异，关注学生的学习需求，创设生动活泼的课堂氛围，使学生在轻松愉快的氛围中学习英语，提高英语综合运用能力。同时，教师应关注学生的情感态度和价值观的培养，使学生在学习英语的过程中，形成积极向上的人生态度和价值观。
2.通过听力练习，提高学生的英语听力水平，培养学生的听力技巧。
3.通过阅读练习，提高学生的阅读理解能力，培养学生提取关键信息、概括文章主旨的能力。
4.通过写作练习，提高学生运用一般过去时描述名人事迹的能力，培养学生的写作技巧。
（三）情感态度与价值观
1.了解名人的成就和经历，激发学生对名人的敬仰之情，培养学生的励志精神。
4.针对听力方面的差异，教师可提供不同难度的听力材料，逐步提高学生的听力水平。
三、教学重难点和教学设想
（一）教学重难点
1.重点：本节课的重点在于学生对一般过去时的掌握，以及能够运用该时态描述名人的成就和经历。此外，学生对文章中出现的词汇、短语的理解和运用也是教学的重点。
2.难点：一般过去时的用法和词汇的运用是学生学习的难点。学生对时态的运用容易出现混淆，对词汇的搭配和语境运用不够熟练。
九Unit13二课时教学设计(小阅读)
课时教学设计首页教学流程学生活动教师导学Step 1. Leadin.Watch the video and find out the answers.Sa: Sharp fin soup.Sb: Cruel.Step 2. Prereading.Have a free talk about facts about sharks.Watch another video about “what if there were no sharks?"Step 3. Whilereading.1.Fast reading.Read the passage fast and match every paragraph with its main idea.2.Careful reading.Read the first paragraph, fill in the blanks and make judgments.Play a video and ask some questions.T: What was served to them? T: Why do they refuse to eat?T: What do you know about sharks?Draw a mindmap to help Ss learn about sharks.T: The shark is the king of the sea. It’s dangerous. It has no predators. But there are less and less sharks. Why? Who is killing them?Play another video.Provide main ideas and let Ss match them with paras.Ask Ss to scan the specific information quickly and plete the fact sheet below.T: Many people do not realize they are killing a whole shark when they enjoy a bowl of shark fin soup.Read the second paragraph and plete the mindmap. Then retell the passage basedon the mindmap in groups and in class.Read the third paragraph and find out the answers. Sa: To develop laws to stop the sale of shark fins.Sb: Wild Aid and the WWF.Step 4. Postreading.Read the passage again and fill in the blanks with the words in the box in 3b. Check the answers and talk about the reasons.Read the article again. Sa: From a magazine.Sb: About animal protection. Underline words or sentences to express the writer’s opinion.Work in groups and have a discussion about some ways they can do.Step 5. C onclusion.Try to have a summary about what they have learnt this lesson.Invite some Ss to retell the passage.Provide some questions for Ss to answer.T: How can governments help?T: Two environmental groups against“finning”are .Guide Ss to look through the sentences and circle some key words, like “killing and enjoy”, etc.Ask Ss to read the article again and ask questions.T: Where can you find the article?T: What is the type of the magazine?T: What does the passage want to tell us?Lead Ss to retell the whole passage and sum up the purpose.T: What can we do to save the sharks?Invite some Ss to report their ideas.课时达标检测第页课时教学设计尾页Unit 13 We’re trying to save the earth! (Section A 3a3b)第页。
《Unit 13 We are trying to save the earth!》教案
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。
人教版九年级英语下册作业课件 Unit 13 第二课时 Section A (3a～3b)
Finished playing with your toys？Why not exchange them with friends? Ithelps to reuse your toys and pass on the fun.
( C )26.What could you get if you help Captain Billy collect old plastic toys? A．Some money. B．Some new toys. C．Some free books. D．Some reusable bags. ( D )27.What does the underlined word “It” in the poster refer to? A．Choosing toys. B．Getting great books. C．Dropping off old toys. D．Exchanging toys with friends.
四、根据汉语意思完成下列句子。(5×3分＝15分) 16．你永远都不会后悔你为这些书支付的钱。 You'll never regret the money you _p_a_i_d___ __f_o_r____/__s_p_e_n_t_ ___o_n__ these books. 17．你听说过《孤勇者》这首歌曲吗？ Have you ever ___h_e_a_r_d____ __o_f_ the song Lonely Lonely Warrior? 18．你还记得在七年级时学过食物链吗？ Do you remember learning about the ___f_o_o_d____ ___c_h_a_i_n____ in the 7th grade?
英语九年级人教版 Unit 13 We’re trying to save the earth! Section A 3a3c教案
Unit 13 We’re trying to save the earth!Section A 3a—3c一、知识目标：1.学习并掌握新词汇：shark, fin, method, cruel, cut off, harmful, chain, ecosystem, low, industry, law, environment, environmental, scientific2. 学会并正确使用以下常用表达：hear of, cut off, throw…in to, no longer, no t only…but also, be harmful to, at the top of the fo od chain, the sale of… ,ask sb. to do sth., so far, be good for, be against, in danger3. 学会使用以下句型：（1）Do you realize that you’re killing a whole shark each time you enjoy a bowl of shark’s fin soup?（2）When people catch sharks, they cut off their fins and throw the shark back into the ocean.（3）This method is not only cruel, but also harmful to the environment. （4）The numbers of some kinds of sharks have fallen by over 90 percent in the last 20 to 30 years.（5）They have even asked governments to develop laws to stop the sale of shark’s fins.二、能力目标：通过文段阅读，提高阅读理解能力。
人教版九年级全册英语Unit13SectionA3a3b教学设计
在本章节的教学过程中，教师将采用以下方法引导学生掌握知识：
1.采用任务型教学法，设计各种实践活动，让学生在完成具体任务的过程中，运用所学知识进行交流和表达。
2.利用小组合作学习，培养学生的团队协作能力和口语表达能力。
3.通过阅读和分析文章，引导学生学会抓住文章的主旨和关键信息，提高阅读理解能力。
7.挖掘名人的优秀品质，设计相关主题活动，如演讲、手抄报等，让学生在实践中感受名人的精神风貌，激发他们追求卓越的动力。
8.结合社会主义核心价值观，引导学生树立正确的价值观，培养他们的责任感和使命感。
四、教学内容与过程
（一）导入新课
1.教师通过展示名人的图片和简介，如马云、居里夫人等，引导学生思考：“What do you know about these famous people? What do they contribute to our society?”（你们对这些名人有什么了解？他们对社会做出了哪些贡献？）
2.学生分享学习心得，讨论如何将所学知识运用到实际生活中，培养自己的优秀品质。
3.教师强调名人的优秀品质对个人成长的重要性，鼓励学生在今后的学习和生活中，积极追求卓越，为社会作出贡献。
4.布置课后作业，巩固所学知识，为下一节课的学习做好准备。
五、作业布置
为了巩固本章节所学知识，培养学生的语言运用能力和自主学习能力，特布置以下作业：
4.采用启发式教学法，激发学生的思维，培养他们独立思考和解决问题的能力。
（三）情感态度与价值观
在本章节的学习中，学生将培养以下情感态度和价值观：
1.学习名人的优秀品质，如敬业、奉献、创新等，激发学生对这些品质的认同和追求。
2.通过了解名人的成就和贡献，培养学生积极向上、努力拼搏的精神风貌。
人教英语九年级unit13SectionB3a3b教学设计
1.注重分层教学，针对不同水平的学生设计难易适度的教学活动，使每位学生都能在课堂上得到锻炼和提升。
-教学活动：让学生略读文章，找出文章主旨大意；寻读文章，获取关于个人成就和目标的具体信息。
5.课后巩固，拓展延伸：布置相关的课后作业，帮助学生巩固所学知识，并进行适当的拓展延伸。
-教学活动：要求学生结合所学，写一篇关于自己近期目标的英语作文，提高写作能力。
6.关注情感，培养价值观：在教学过程中，关注学生情感态度的培养，引导他们树立正确的价值观。
1.培养学生树立正确的价值观，认识到努力和付出是取得成功的关键。
2.增强学生的自信心，鼓励他们在课堂上积极展示自己的才华。
3.培养学生的团队协作精神，让他们在合作中学会尊重、理解和关心他人。
4.引导学生树立远大目标，为实现自己的梦想而努力奋斗。
二、学情分析
针对人教版英语九年级Unit 13 Section B 3a-3b的教学内容，进行以下学情分析：
2.课堂互动：通过小组讨论、角色扮演等形式，激发学生的学习兴趣，提高合作学习能力。
3.阅读理解：指导学生通过略读、寻读等策略，快速获取文章信息，提高阅读效率。
4.课后巩固：布置相关的课后作业，帮助学生巩固所学知识，提高课后自主学习能力。
（三）情感态度与价值观
在本章节的学习中，教师将关注学生情感态度与价值观的培养：
2.教学方法：采用直观演示法，通过图片、实例等形式展示词汇和语法点，让学生在实际语境中感知和理解。
3.教学目的：使学生掌握描述个人成就和目标的词汇及表达方式，熟练运用一般过去时态。
Unit 13 核心考点讲练-【精品课】 2022-2023学年九年级全册英语教学同步精美课件
Language points Section A 1a-2d
We’re trying to save the earth! 我们正在竭尽全力拯救地球! try to do = try one’s best to do 努力去做某事 e.g. We’ll try to finish the work in a week.
看，那只大鸟正在飞走。 ② He is watching a movie now.
他现在正在看电影。
2.表示目前一段时间内正在进行，但说话时 可能没有进行的动作。
Right now I am studying Chinese by distance learning. 我现在正通过远程教育学习汉语。
Even the bottom of the river was full of rubbish.
Yes, but people are throwing litter into the river. litter和rubbish都可指“垃圾”，用作不可数名词。 litter指“（室内或公共场所）乱扔的废物（纸屑、
被动语态：Passive voice
定义：表示主语是动作的承受者，即行为动作 的对象的一种语态。
结构：be + 过去分词 A new school was built last year. Our classroom is cleaned every day.
①一般现在时的被动语态：am/is/are + V-ed
Smoking is harmful to our health. = Smoking does harm to our health. = Smoking is bad for our health。
初中英语九年级下册课件unit13第2课时(A 3a-3b)
can在此句中意为“可能”，表推测﹐常用于否 定句或疑问句中。can’t be意为“不可能是”。
believe that sharks can never be endangered
because they ar辨e 析theendsatnrgoenrgede,sdtainngethroeuisr与fodaondgecrhain.
When people catch sharks, they cut off their fins
and throw the sharks back into the ocean. This is
be harmful to…
not only cruel, but also har对m…fu…l有to害the environment.
endangered 形容词，意为“濒危的;濒临灭绝的”；
But in fact, aroudanndge7r0oums 形ill容io词n，s意ha为r“ks危a险r的e ”ca；ught in faactn意d为t“ra事d实ed上i；n实th际dia上sng”ine。rd名u词st﹐ry意e为v“er危y险y；ea威r胁. T”h。e
in the number of sharks?
Save me!
Before reading: Look at the picture & title and make a prediction.
1. What can you see in the picture?
A shark. 2. What may the passage talk
cruel形容词，意为“残酷的；
残忍W的i”th。obuetcarufeilnto, a shark can nthoelfonodgechrasinw食im物and
Unit13大单元作业设计案例课件人教版英语九年级全册
Name Li Hua
...
Methods
stop riding in cars and start riding bikes.
...
Report:
In my group, xx thinks that he should/shouldn’t ___________. For xx she will_______________. However, xx believes ___________. Finally, I will try my best to ______________.........
Group C： Interview
Watch the conversation 2d and read with it. You should pay attention to your
pronunciation and then work your with partners to do an interview and record a
学情分析
学生已在八年级学习将来时已对环境问题有所涉及， 本单元将详细学习环境问题和解决方法，学生对此话 题较熟悉，可以展开学习，让学生发表自己的见解。 而该话题也十分贴近学生的生活实际，学生能够根据 日常生活实际，提出环境保护的具体措施，增强学生 的环保意识，让学生受到良好的教育。
单元课时整合
在污染和环境保护主题的引领下，我将本单元的五个课时进行了整合， 主要分为听说课，阅读课和写作课。具体分配如下：
设计意图： A类作业可以让学生将现实生活与教材建立联系，能够提高学生综合应用语言的能力，增 强学生的环保意识，真正将核心素养进行贯彻落实。B类作业旨在提高学生的口语表达和 听力能力，使学生能够准确流利地说好英语。C类作业是为了让潜能生掌握基本的词汇和 句型，为后续教学奠定基础。
英语九年级下Unit13第2课SectionA3a3b
While-reading
3b Read the passage again and fill in the blanks with the words in
the box. so although if but when
1. Many people do not realize they are killing a whole shark _w__h_en__ they enjoy a bowl of shark fin soup.
to stop the sale of shark fins.
While-reading
Find the phrases and match.
hear of cut off no longer not only … but also be harmful to bring danger to the number of so far
What do you think might have caused a fall in the number of sharks? People catch sharks and cut off their fins and throw them back into the ocean. Without a fin, a shark dies.
Yes, I think sharks are endangered. Because people catch sharks, they cut off their fins and throw the shark back into the ocean. Without a fin, a shark can no longer swim and slowly dies.
Unit 13 We’re trying to save the earth! Section A (3a-3c)
We’re trying to save the earth!
The river used to be so clean.
The air is badly polluted.
教学重点、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.保护环境的措施方法。
(3)Many think that sharks are too strong to be endangered, _____ they are wrong.
(4)_________ there are no scientific studies to support this, a lot of peoplebelieve that shark fins are good for health.
教学活动3
Step 3.Discussion
(1) Have you ever seen a shark?
(2) What do you know about sharks?
教学活动4
Step 4.Practice (3b)
1.Read the passage and dill in the blanks with the words in the box.
课后自评
(5)Sharks may disappear one day ___ we do not do something to stop the sale of shark fins.
(2)Retell the passage according to the words below.
shark’s fin soup, in southernChina,each time,cut off,no longer not only…but also…at the top,drop,be endangered,the strongest around 70 million
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Careful Reading
Paragraph 2: Answer the questions. 1. What does the writer think of cutting fins of sharks? 2. It will bring danger to all ocean life if sharks’ numbers drop too low. why ?
WildAid and WWF. 野生救助协会和世界自然基金会
猎翅
They are teaching the public about “finning”. And they have ever asked governments to develop laws to stop the sale of shark fins.
1.Many people do not realize they are killing a whole shark ___________ when they enjoy a bowl of shark fin soup. 2. Sharks are at the top of the food chain, so their numbers drop, the ocean’s _____if ecosystem will be in danger.
Careful Reading
Task 1
Paragraph 1: Judge the sentencd expensive shark fin soup(鱼翅汤) is popular all around the world. F 2. People have to kill a whole shark to get a bowl of shark fin soup. T
We're trying to save the earth!
Section A 3a-3b
1. 鲨鱼 shark 2. 残酷的 cruel 3. 有害的 harmful 4. 工业；行业 industry 5. 法律；法规 law 6. 科学上的 scientific 7. fin（鱼）鳍 8. chain 链子；铁链 9. ecosystem 生态系统 10. 对…有害 be harmful to 11. 在…的顶部或顶端 at the top of 12. 食物链 the food chain
Are they big numbers?
Task 2
Paragraph 2: Read again and fill in the chart. Questions Answers
Number of sharks caught and traded every year Do you think sharks are really The numbers of some kinds of sharks endangered? have fallen by in the last 20 to 30 years Should we save sharks?
Animals are people’s friends. But some animals are endangered. We should do something to protect the animals and the environment!
1. Listen to 3a. Then retell (复述) it according to the mind-map.
Around 70 million Over 90 persent
Careful Reading Task 3
Paragraph 3: Find out: 1. What are the two environmental groups against “finning”?
2. How do they help to save sharks?
堪称国鸟：褐马鸡
中华之魂：华南虎
长江奇兽：白鳍豚
仰鼻蓝面：金丝猴
Can you say something about sharks? Do you think they are endangered? Why are they endangered?
Shark
鲨鱼
Fast Reading
Look through(浏览)the article quickly and answer the question: Where is this article probably from? A. A book B. A novel C. A newspaper
Task 2
He thinks it’s not only cruel, but also harmful to the environment.
Because sharks are at the top of the food chain in the ocean’s ecosystem.
Careful Reading
3. Many think that sharks are too strong to be endangered, but ____ they are wrong. 4. __________ Although there are no scientific studies to support this, a lot of people believe that shark fins are good for health. 5. Sharks may disappear one day ____ if we do not do something to stop the sale of shark fins.
What can we do to save sharks?
If everyone refuses to eat shark fin soup, people won’t catch and kill sharks.
3b Read the whole passage carefully and fill in the blanks with the words in the box. so although if but when
2. Write 5 measures(措施) to protect the endangered animals.