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SectionCⅠ.Materialanalysis本课是第二单元第一话题的第三课时，主活动是1a和4。
学生通过阅读1a，了解噪音污染是如何产生的，是怎样影响人们健康的。
1b则训练学生通过语境，推断词义，选出与该词匹配的英文解释。
1c先让学生找出主旨句，再通过找出细节来论证段落的中心思想，以及通过语境判断重点词汇和句子的意思。
2继续谈论噪音污染，通过选词填空的方式辨析单词的用法。
3让学生模仿1a来讨论其它的污染。
为了让学生顺利地完成讨论任务，还给出了可能涉及到的讨论内容，很有指导性。
4是在2和3的基础之上进行的写作练习，让学生学习运用中心句来组织文章。
通过了解噪音污染，让学生进一步了解各种污染的现状。
引导学生关注环境问题，关注各种污染，树立正确的环保意识。
Ⅱ.Teachingaims1.Knowledgeaims：掌握本课的重点词汇和短语，初步感知定语从句。
了解与噪音污染有关的常识。
区别不同词性的单词的用法。
2.Skillaims:能读懂有关环境污染的文章。
能看懂和听懂简单的英文解释。
能够理解段落中各个句子间的逻辑关系。
能用合适的英语对环境污染问题进行口头和书面语表达。
3.Emotionalaims:(optional)通过学习，加深对环境问题的认知，树立环保意识。
4.Cultureawareness:(optional)了解各种不同种类的污染，关注全球的环境现状。
Ⅲ.Thekeypointsanddifficultpoints1.Keypoints:Wordsandphrases:deaf,print,recently,sentence,meaning,hearing,loss,disturb,uncomfortabl e,unpleasant,sort,environmental,including,ontogodeaf,doharmto/beharmfulto,loseone’shearing/havehearingloss,innoisycondition/toomuch noise,nobetterthannotonly…butalso…,causesb.todosth.,allsortsofenvironmentalproblems,includingnoiseprob lemsSentences:(1)…noiseisalsoakindofpollutionandisharmfultohumans’health.(2)Peoplewhoworkandliveinnoisyconditionsgodeafeasily.(3)…manyteenagersinAmericacanhearnobetterthan65-year-oldpeopledo…Grammar:Simplepast,presentperfect.2.Difficultpoints：能根据所学内容，表达与污染相关的话题。
仁爱版英语九班级上册unit2教案教案要面对全体同学，关注每个同学的情感，激发他们学习英语的爱好，挂念他们建立学习的成就感和自信念，使他们在学习过程中开展综合语言运用力量，下面是我给大家整理的仁爱版英语九班级上册unit2教案5篇，期望对大家能有所挂念!仁爱版英语九班级上册unit2教案1Unit1TheDevelopingWorldTopic1ChinahasdevelopedrapidlyInrecentyears.SectionAThemainactivityis1a.本课重点活动是1a。
Ⅰ.Teachingaimsanddemands教学目标1.Learnsomenewwordsandaphrase:proper,bytheway,bell,grandpa,chairwoman,grandson2.Learnausefulsentence:Theregoesthebell.3.Learnthepresentperfecttense:(1)Rita,youhavejustcomebackfromyourhometown.(2)—Wherehaveyoubeen,Jane —IhavebeentoMountHuangwithmyparents.(3)—Bytheway,where’sMaria —ShehasgonetoCubatobeavolunteer…4.Taltthechildren’svacationexperiences.Ⅰ.Teachingaids教具录音机/小黑板/同学的旅游纪念照/图片/幻灯片Ⅰ.Five-fingerTeachingPlanStep1Review通过老师询问同学的暑期活动，导入话题，呈现局部生词。
T:Listen!Thebellisringing.Let’sbeginourclass!(老师解释Thebellisringing 等于Theregoesthebell，板书bell，要求同学把握。
Unit 1 The Developing WordTopic 2 What a large population!一、教学课题：What a large population!二、教材分析：本话题是谈论生活环境和世界人口增长问题。
要求学生了解世界的人口状况，能够运用语言知识谈论现今状况和自己的想法。
Section A 是紧接着topic1的语法知识，继续学习现在完成时，即现在完成时中时间副词的用法。
体会时间副词在现在完成时中的作用。
Section B 是针对于世界人口增长状况的话题，目的在于巩固section A 中学习的内容，同时学习较大的数字读写。
Section C 是篇谈论中国人口问题的阅读理解，篇幅比较长，短语多，目的在于培养学生的阅读理解能力和段落归纳能力。
Section D 也是一篇阅读理解，本篇在section C 的基础上增加了对文章的知识要点总结、对比。
三、学生分析：本话题的教学对象是初三级的六个普通班，学生的基础比较差，所以在备课时偏重于对基础知识的巩固。
即听、读和一些短语的理解和运用，对于知识点的扩展应较少。
四、教学内容：1. Go on learning the present perfect tense.2. Talk about the topic about population.3. Learn and sum up the words, phrases about population.4. Learn to talk about population and its harm.五、教学目标:1. Learn the usage of adverb.2. Go on learning the present perfect tense.3. Further learn something about population and realize the importance of protecting environment.六、教学重点：1. Learn the usage of infinitive pronoun and adverb.2. Go on learning the present perfect tense.3. Make the students have right ideas of population.七、教学难点：1. Learn the usage of adverb.2. Let the students recognize the problem of population.3. Learn to express the numerals.八、教具：教学挂图, 录音机, 单词卡片.九、课型：New lesson（共4课时）十、教学过程：Section AThe main activities : 1a, 2 and 3aTeaching period: 1Teaching aids: chalk, blackboard, tape and radio.Teaching aims and demands:1. Master some new words and useful expressions:2. Go on studying the present perfect with “just, already, yet, ever, never”.Teaching difficulties and importances:1. Talk about the changes in the past and at present.2. Go on studying the present perfect with “just, already, yet, ever, never”Teaching method:Five-finger Teaching Plan.Step 1 Review1.The teacher can say something about holiday experiences like this:I have been to Beijing during my summer holiday. I have visited theGreat Wall . It’s wonderful…2.Let several students describe their own holiday experiences, using thepresent perfect tense as much as they can.3.Teach the new words.Step 2 Presentation1.Ask the students“Do you like going shopping?”. Let them give thereasons why they like or dislike going shopping and lead to 1a. 2. Listen to 1 and answer the following questions:(1)What has Kangkang done when Maria called him?(2)Why doesn’t Kangkang want to go shopping?4.Let the students read1, and pay attention to the following sentences:(1)I have just called you.(2)I`ve never been there before.(3)Have you found him yet?(4)He has probably gone home.(5)So do I.5. Sum up the usages of just, already, etc.现在完成时可以表示过去发生或已经完成的动作对现在造成的影响或结果，常与never/ever，just，already/yet，before等连用。
Unit2SavingtheEarthTopic1Pollutionhascausedtoomanyproblems.SectionAⅠ.Materialanalysis本课是第二单元第一话题的第一课时。
主活动是1a。
1a通过对比“WestHill”今昔的环境变化，引出本话题的污染问题，巩固现在完成时与一般过去时的用法及区别。
1b要求学生能够听懂一般过去时态和现在完成时态，也就是要分清1b所提及的词语所伴随的时间。
1c则是在阅读之后再找出“西山”所发生的变化。
2通过观察图片内容，结对编对话，描述污染前后的情况，进一步训练学生口头表达能力和对一般过去时和现在完成时的运用能力。
3通过听并记录“动物的生存现状”，了解环境污染带给动物的危害，继续提高学生的听力水平。
任务4的口语表达，培养学生的说的技能，检测对本课的掌握情况。
通过本课的学习，培养学生关注环境问题的意识。
Ⅱ.Teachingaims1.Knowledgeaims：掌握本课的重点词汇和短语，巩固一般过去时和现在完成时的用法和区别。
能够用一般过去时和现在完成时描述过去和现在的变化。
正确使用therebesth./sb.doingsth.来表达“有某人/物正在做某事”。
2.Skillaims:能听懂描述环境变化的对话，区别一般过去时和现在完成时的用法。
能理解和运用一般过去时和现在完成时来进行听、说、读、写活动。
3.Emotionalaims:(optional)让学生了解环境污染的严重性，并树立环保意识。
4.Cultureawareness:(optional)通过课文的学习，让学生了解环境的变化，关注全球的环境问题。
Ⅲ.Thekeypointsanddifficultpoints1.Keypoints:Wordsandphrases:bee,butterfly,mess,shame,several,pollute,waste,villager,destroy,cutdow n,goodness,pour,seesb./sth.dosth.,seesb./sth.doingsth.,cutdown,mygoodnessSentences:Whatashame!/Whatamess!Theflowersandgrasshavegone!Whathashappenedhere?Therebesth./sb.doingsth. Thereareseveralfactoriespouringwastewaterintothestream.Everythinghaschanged.Grammar:differencesbetweenSimplePastandPresentPerfecttense.2.Difficultpoints：正确使用therebesth./sb.doingsth.来表达“有某人/物正在做某事”。
Unit 2 Saving the EarthTopic 1 Section A教案教学目标1.Master some new words and useful expressions：Words and phrases: bee, butterfly, mess, shame, several, pollute, waste, villager, destroy, cut down, goodness, pour, see sb./sth. do sth., see sb./sth. doing sth., cut down, my goodness2. Sentences: What a shame! / What a mess!/ The flowers and grass have gone!/ What has happened here?/ There be sth./sb. doing sth./ There are several factories pouring waste water into the stream./ Everything has changed.3. Grammar: differences between Simple Past and Present Perfect tense.教学重、难点1. Some new words and useful phrases; the present perfect tense2. The present perfect tense教学过程Step 1 Review1. Lead the Ss to discuss the right place for a picnic.A: Where have you been/traveled?B: I have been/ traveled to ...2.go over the present perfect tenseStep 2 Presentation1. Let the Ss discuss where to have a picnic. Encourage them to state the reasons.T: Now work in groups, choose the best place for a picnic and tell the class why you choose that place.Ss…T: OK, tell us where to have a picnic. Why?S1: I think …is the best choice. The air there is fresh. We can fly kites on the grass.T: Kangkang, Jane, Maria and Michael are planning a picnic for Sunday.They will go to the West Hill.2. Present two pictures of the West Hill and describe the changes. Teach the new words and some difficult sentences.3. Point to the bees and butterflies, and then write down the words and phrases on the BbStep 3 Practice1. …怎么样？What about…?2. 看见某人正在做某事see sb doing sth3. 真是一团糟！What a mess!4. 味道很难闻。
Unit 2 Saving the EarthTopic 1 pollution causes too many problemsSecti on AI、Teaching aims1、Go on leaning the present perfect tense2、Talk about the hometown ,and enjoy the beauty of nature.3、Talk about different kinds of pollution in order to enhance the awareness of protecti ng the en vir onment.n> Teaching proceduresStep1 Review1、Talk about hometowns scenery, then review the usage of used to be ”T: Who is from the country?S1 I amT: ：How did your hometown used to be ?S2：It used to be a very beautiful place . There were a lot of flowers and trees .But …2、Compare the changes in hometown' scenery ,then lead to the topic of en vir onment.Step2 Prese ntati on1、Show the first picture in 1a and ask the student to describe the scenery .T: What does the picture show us ?Ss : It 'a beautiful place with •…2、Show the second picture in 1a and ask the students to describe the changes caused by en vironmen tal polluti on .T: What has happe ned in the picture ?Ss: The water is very dirty an d …3、Listen to 1a and answer the question .Check the answer..(1)Is the West Hill still a beautiful place now ?(2)What happe ned to the West Hill?4、Let stude nts read 1a ,and find out the phrases and sen ten ces . Teacher writes them dow n onthe blackboard and lets the stude nts un dersta nd them .(1) Oh ,my goodness!(2) There are several chemical factories pouring waste water into the streams ,5、Learn and master the new words：bee ,several ,waste , streamStep3 Con solidati on1、Group work .Read 1a in groups of four ,then act it out .2、Let students fill out the form in 1b according to 1a ,then ask several students to report it to theclass.川、Practice一、根据句意及首字母提示完成句子1、The fish smells terrible .It has g ______ bad .2、W e have a lot of work to do every day ,We are as busy as a b3、T he river isn'clear now because the factory has p __ much w ________ waterinto it4、P laying computer games too much can i _______ your study5、P ollution c ______ too many problems二、单项选择1、We ____ it with our no ses ,A、smellB、lookC、sou ndD、taste2、___ p opulation can cause troubleA、much tooB、Too muchC、FewD、Too many3、B asketball is so popular a game in the world that ___ people play it for fun and exerciseA、millions ofB、million ofC、millionsD、two millions of4、T here is a man you at the school gate now .A、is waiting B 、waiting C 、waiting for D 、waits5、Y ou will see bees and butterflies ____A、to dance B 、to be dancing C 、danced D、dancing6、I t ' s a beautiful place lots of flowers .A、with B 、have C、to have D、hasIV : Teach ing reflect ionUnit 2 Saving the EarthTopic 1 polluti on causes too many problemsSecti on BThe main activities are 1a and 1b.I. Teach ing aims and dema nds1. Lear n some new words:weak, produce, chest, any way2. Go on lear ning direct speech and in direct speech:(1) The old lady said that it was difficult for her to breathe.(2) The old lady told Kangkang that she had been like that since the week before.(3) Kan gka ng asked the old lady how long she had bee n like that.(4) The journalist asked Mrs. Zhou whether/if she was feeling better then.(5) The journ alist asked what the en vir onment around that place was like.3. Lear n some expressi ons about blame and compla int:(1) It ' s difficult for me to breathe.(2) The bad air makes my chest hurt.(3) …the factory makes too much noise and I can' t sleep well at night.(4) I ' m always in a bad mood …(5) …I can ' t stand the environment here.(6) Any way, I hope the gover nment will solve this problem soon.n . Teaching proceduresStep 1 Review ( 时间:5 分钟)Check over stude nts, homework. Review direct speech and in direct speech by:T: Is there air pollution around your home?S1: Yes. There are several chemical factories n ear my home. They make terrible gas. I often feel sick.T: What did S1 say just now?S2: S?1 said that there were several chemical factories near his/her home.S3: S1 said that they made terrible gas.S4: S1 said that he/she ofte n felt sickStep 2 Presentation ( 时间:12 分钟)1. lead _ inT: From 1a, Sect ion A, we know Kan gka ng and his frie nds pla nned to go for a pic nic. But two days later, whe n the childre n reached the West Hill, would they have a pic nic there?Ss: No.T: Why?Ss: The flowers, grass and fish have gone. The chemical factories are pouri ng waste water into the stream.T: And what is the factory making?Ss: It ' s making smoke.T: Yes, it ' s producing smoke. It ' s producing terrible gas.( 教师做捂鼻皱眉状。
注：1.得分为自评、互评、教师评总分之均值;
2.“我这样评价我自己”、“伙伴眼里的我”以及“老师的话”都是针对课堂学习情况的概括性评判和描述。
2.课堂小组协作学习评价系列表
表三：小组成果汇报评价表（折合成30分）
注：1.本表针对该生所在小组作评价，对该生的评价还需要在小组内进行分配。
对于每个小组都有N 张这种评价表，取所有评价表的均值作为对该小组的评价得分。
2.本表分为定量和定性评价两部分；
3.本定量评价表满分为100分，在加入总分时需进行折合；
4.定性评价部分，听完汇报后我的问题是评价者在听取他组汇报时所想到的问题，评价意见是对被评小组的优点及需要改进之处作评价，以作该小组改进之用。
3.学习感受（20）
上完本次课，你有什么感受？收获了哪些？你觉得自己还可以做那些改进？比如在小组合作方面，比如在课堂参与方面，比如在练习方面……？
[教师根据学生反思深度给分]
4.学生总体活动统计表
表四：定量评价量表。
Unit 2 Saving the EarthTopic 1 pollution causes too many problemsSection AI 、Teaching aims：1、Go on leaning the present perfect tense2、Talk about the hometown ,and enjoy the beauty of nature.3、Talk about different kinds of pollution in order to enhance the awareness of protecting the environment.Ⅱ、Teaching procedures：Step1 Review1、Talk about hometown’s scenery, then review the usage of“used to be ”T：Who is from the country？S1 I amT:：How did your hometown used to be ?S2：It used to be a very beautiful place . There were a lot of flowers and trees .But …2、Compare the changes in hometown’s scenery ,then lead to the topic ofenvironment.Step2 Presentation1、Show the first picture in 1a and ask the student to describe the scenery .T: What does the picture show us ?Ss ：It’s a beautiful place with …2、Show the second picture in 1a and ask the students to describe the changes causedby environmental pollution .T: What has happened in the picture ?Ss: The water is very dirty and …3、Listen to 1a and answer the question .Check the answer..（1）Is the West Hill still a beautiful place now ?（2）What happened to the West Hill?4、Let students read 1a ,and find out the phrases and sentences . Teacher writes themdown on the blackboard and lets the students understand them .(1)Oh ,my goodness!(2)There are several chemical factories pouring waste water into the streams , 5、Learn and master the new words ：bee ,several ,waste , streamStep3 Consolidation1、Group work .Read 1a in groups of four ,then act it out .2、Let students fill out the form in 1b according to 1a ,then ask several students toreport it to the class.Ⅲ、Practice一、根据句意及首字母提示完成句子1、The fish smells terrible .It has g bad .2、We have a lot of work to do every day ,We are as busy as a b3、The river isn’t clear now because the factory has p much w water into it4、Playing computer games too much can i your study5、Pollution c too many problems二、单项选择1、We it with our noses ,A、smellB、lookC、soundD、taste2、population can cause troubleA、much tooB、Too muchC、FewD、Too many3、Basketball is so popular a game in the world that people play it for fun and exerciseA、millions ofB、million ofC、millionsD、two millions of4、There is a man you at the school gate now .A、is waitingB、waitingC、waiting forD、waits5、You will see bees and butterfliesA、to danceB、to be dancingC、dancedD、dancing6、 It’s a beautiful place lots of flowers .A、 withB、haveC、to haveD、 hasⅣ: Teaching reflectionUnit 2 Saving the EarthTopic 1 pollution causes too many problemsSection BThe main activities are 1a and 1b.Ⅰ. Teaching aims and demands1. Learn some new words:weak, produce, chest, anyway2. Go on learning direct speech and indirect speech:(1) The old lady said that it was difficult for her to breathe.(2) The old lady told Kangkang that she had been like that since the week before.(3) Kangkang asked the old lady how long she had been like that.(4) The journalist asked Mrs. Zhou whether/if she was feeling better then.(5) The journalist asked what the environment around that place was like.3. Learn some expressions about blame and complaint:(1) It’s difficult for me to breathe.(2) The bad air makes my chest hurt.(3) … the factory makes too much noise and I can’t sleep well at night.(4) I’m always in a bad mood …(5) … I can’t stand the environment here.(6) Anyway, I hope the government will solve this problem soon.Ⅱ. Teaching proceduresStep 1 Review (时间:5分钟)Check over students, homework. Review direct speech and indirect speech by:T: Is there air pollution around your home?S1: Yes. There are several chemical factories near my home. They make terrible gas. I often feel sick.T: What did S1 say just now?S2: S¬1 said that there were several chemical factories near his/her home. S3: S1 said that they made terrible gas.S4: S1 said that he/she often felt sick….Step 2 Presentation (时间:12分钟)1. lead _ inT: From 1a, Section A, we know Kangkang and his friends planned to go for a picnic. But two days later, when the children reached the West Hill, would they have a picnic there?Ss: No.T: Why?Ss: The flowers, grass and fish have gone. The chemical factories are pouring waste water into the stream.T: And what is the factory making?Ss: It’s making smoke.T: Yes, it’s producing smoke. It’s producing terrible gas. (教师做捂鼻皱眉状。
)It’s difficult to breathe.(master produce；understand gas。
)produce, gasT: The terrible gas can make people’s chest ache. (教师做捂胸皱眉状。
) (Write chest on the blackboard)chestT: What’s more, the factory makes too much noise. What problems does noise pollution cause?S1: Maybe people can’t sleep well.T: Yes, it makes people weak, and people may be in a bad mood. (Write it on the blackboard )weakT: Pollution causes too many problems. Anyway, we should do something to stop it.(Write it on the blackboard )anyway2. (Show the picture in 1a)T: Look at the picture. Who are they in the picture?Ss: They are Kangkang and Granny.T: What other things can you see?S2: I can see some dead fish.S3: The bird on the tree is dying.S4: Some chemical factories are producing terrible gas.S5: 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, and then answer the question.(listen to 1a，answer the questions。
