英语Unit3Underthesea教学案.docx

1、英语Unit3Underthesea教学案 Unit3 Under the sea-教学案学科英语教材名称高中英语选修七课题Unit3 Under the sea年级高二学段第一学段备课组长主备人王惠琴一、概述“Under the sea”是高中人教版新课标英语新教材二年级选修七第三单元课文。本单元课文所需课时为5课时，共需200分钟，本节课是第二课时,40分钟；“Under the sea”是一篇科普文章，中心话题为海底世界。听说读写活动主要围绕海底植物、海底奇妙景观以及有关大海神话故事展开的。 这节课主要培养学生的阅读、归纳能力和联想、创新思维精神。二、教材分析本单元的中心话题为海底世界。

2、听说读写活动主要围绕海底植物、海底奇妙景观以及有关大海神话故事展开的。1. Warming Up 部分以海底生物包括动物和植物为话题，主要讨论三个方面的问题；学生所见过的海底生物，在何处见过这些海底生物，学生最喜欢的海底生物。2. Pre-reading 部分设计了一个读图题，图片内容为：Killer whales are attacking a baleen whale with whalers waiting by in their boat，harpoon at the ready. 由此引入阅读文章的相关背景知识：作者、职业、文体等。3. Reading 是一篇以第一人称口吻讲述了一个

3、名叫Old Tom的虎鲸的故事。学生阅读此文可以了解人类如何利用鲸捕杀鲸的残酷事实，同时可以从文中学到许多描述事物和情景的生动手法。4. Comprehending 共有3个练习就课文内容进行讨论，重点检测学生对课文深层次的理解，也以进行适当的拓展，让学生讨论是否应该关闭捕鲸站并保护鲸。5. Learning about Language部分是词汇训练，和语法训练，通过用所给词的适当形式填空，复习V-ing形式的被动式的用法。6. Using Language分为四部分，综合训练听说读写的能力。三、教学目标1. Ability goals 能力目标To help students develo

4、p their reading abilityby skimming for main ideas and scanning for details.To help students solve the reading problems with the teachers guidance2. Learning ability goals 学能目标To help students learn about animals and plants under the seaTo get students to master some key words, such as witness,abando

5、n,reflect,drag,be aware of and so on四、教学重点和难点Teaching important points：教学重点1.Help to comprehend the text and grasp the main idea of the text.2.Guide students to learn about the usage of some key expressions,revise the key words and the language ponits, grammar learned in the last passage.Difficult P

6、oints: 教学难点1.To help students get the main idea and some information by skimming and scanning the passage .2.To help students tell apart from when, while and as .五、学情分析1.Most of the students are poor in English.2.Students are active in thinking and comunicating,especially interseted in the given top

7、icUnder the sea六、教学策略选择与设计1. 设计的基本理念“Under the sea”一课倡导英语新课标理念下的合作学习。根据英语课程标准的指导思想,英语课程改革的重点是要改变传统教学强调课程从学生的学习兴趣和认知水平出发，倡导学生体验参与、合作与交流的学习方式和“任务型”的教学模式，让学生去发现问题、解决问题，提高合作意识，培养合作精神，从而实现学生的主体地位，发展学生的综合语言运用能力。2教学与活动策略本课综合运用讲授式、启发式、自主学习、协作学习等各种策略，提供大量的学习资源，指导学生进行自主探索学习。设计的教学活动遵循快读 详读 稳固 练习 运用。这样的设计是由梯度的，

8、完成从理解到表达的过渡。七、教学资源与工具设计 本节课是在高二文科班多媒体教室实施的。 专门为本课设计、制作的资源课件 收录机和本课的课文录音磁带八、教学过程(Teaching procedure)Step 1. Warming up talking about ocean plants and ocean animalsHello, class. This week we shall go to the sea to learn about ocean plants and animals.About Ocean PlantsThere are two general types of pl

9、ants found in the ocean, those having roots that are attached to the ocean bottom and those not having roots which simply drift about with the water.About Ocean AnimalsOcean animals are divided into three groups: zooplankton, nekton, and benthos. Zooplankton are drifting small animals, however, they

10、 can grow to fairly large size. For example, the jellyfish .Step 2. Pre-readingWhat is an anecdote? Lets start with a definition:Anecdote: a usually short narrative of an interesting, amusing, or biographical incident.Give some anecodotes you have readStep 3. Reading1.Reading aloud to the recordingN

11、ow turn to page 20 and read aloud to the recording of the text Old Tom You are asked to copy all the useful expressions into your notebook after class as homework. You may make your own sentences with each of these expressions.Expressions from Old Tom The Killer Whaleat the time在那时, witnesswith my o

12、wn eyes亲眼所见, sort out整理；分类, run down to跑向；追捕, throw out of the water使失去离开水, ahead of在之前, race after追赶, head out into 朝去, flee out to sea逃逸出海, point to指向, thea pack of excited dogs一群兴奋的狗, within a moment or two在一时片刻, be dragged by down into被拽入, the depths of the sea海底深处 , have a good feed on美美地享用, ha

13、ndle the boat掌舵, be abandoned by被遗弃,4. Understanding difficult sentencesIn groups of four, analyze the structure of any of the difficult sentences. If you have any problems which are too difficult for you to solve do not hesitate to put them to me.Reading and transferringIn pairs, read the text, fin

14、d information to complete the following form.When Where Who WhatOn the afternoon, in June 1902 At the whaling station I , a 16-year-old boy Witnessing killers helping the whalers catch the huge whalesComprehension questions1. How did the killers help the whalers catch the whale? The wrong one is_.A.

15、 Old Tom reported the news to the whalers.B. Some stopped it fleeing out to sea.C. Some used the harpoon to hit the whale.D. Some killers threw themselves on top of the whale to stop it breathing.2. Which order is correct according to the passage?A. Clancy heard a huge noise coming from the bay.B. C

16、lancy grabbed his boots and raced after George to the boat.C. The killers started racing between our boats and the whale.D. The man in the bow of the boat aimed the harpoon at the whale.A. ABCD B. ACBDC. BDAC D. DBCA3. Which of the following statements is TRUE?A. Killer whales are whalers friends.B.

17、 Killer whales often hunt cooperatively in groups for food.C. Killer whales like eating the lips and tongues of whales.D. Theres no danger in the sea because killer whales can protect human beings. Part Vocabulary and Useful Expressions 重点单词1annual adj.每年的；按年度计算的n.年刊；年鉴annually adv.每年地；年度地anniversar

18、y n周年纪念2witness vt.当场见到；目击 n目击者；证人；证据3accommodation n住所；住宿对面 adj.相对的；相反的5pause vi. & n暂停；中止6telescope n望远镜fled/fled (过去式/过去分词)8drag vt.拖；拉；扯9depth n深(度)；深处10urge vt.催促；极力主张；驱策11abandon vt.放弃；遗弃；抛弃abandoned adj.放纵的；堕落的12target n目标；靶；受批评的对象13reflect vi.思考 vt.映射；反射；思考reflection n映像；思考；反映14aware adj.意识到

19、的；知道的awareness n意识15neat adj.(口)好的；整齐的；匀称的scared adj.恐惧的；害怕的18awesome adj.使人敬畏的；令人畏惧的awe n. & vt.敬畏；使畏惧；满心敬畏awful adj.可怕的，吓人的，极度的，很糟的awfully adv.极度地，十分地重点短语1in the meantime 在此期间；与此同时2be/become aware of 对知道、明白；意识到3(be) scared to death 吓死了4draw near 靠近5hold up 阻挡6help(.) out 帮助(某人)摆脱困境或危难7upside down

20、上下翻转8sort out 整理；分类；收拾9aim at 瞄准10be about to do sth. 正要做某事重点句型1This was the call that announced there was about to be a whale hunt.这是宣告捕鲸行动马上就要开始的声音。2“Come on,_Clancy. To the boat,”.快点，克兰西。 快到船上去，”3Im sitting in the warm night air with a cold drink in my hand and reflecting on the daya day of pure

21、magic!我坐在温暖的夜色中，手持一杯冷饮回忆着这一天这奇妙至极的一天！4The fish didnt seem to mind me swimming among them.鱼儿好似不介意我在它们中间游动。核词心单1. witnessvt. 当场见到；目击vi. 作证n. 目击者；证人；证据We all came to witness history .我们聚集在一起见证历史. He witnessed to having seen the man enter the building. 他作证看到那个男人进入这栋建筑物。Life without a friend is death wit

22、hout a witness. 在世无朋友,死后无证人。相关短语：be a witness to 是的目击者 give witness on behalf of 替作证 witness to 为某事作证说单项填空Many people the car accident, so it was not difficult to investigate. 201001陕西宝鸡检测witnessed B. harnessed C. swallowed D. druggedThe girl was shocked by the violent scenes she had _.A. happened B

23、. lookedC. witnessed D. viewed【解析】C 此题考查词语辨析。句意为：这个女孩被她亲眼目睹的暴力场面惊呆了。witness意为“目击, 见证”，符合语境。2. accommodation (1) 房间，住所 He has booked accommodation at a hotel .(他已经在宾馆预订了房间。(2) 膳宿 常用复数 This hospital has accommodations for 600 patients.这家医院为600名病人提供膳宿。 (3) accommodate 向提供住处，接纳 (v) The house will accomm

24、odate two families. 这间房子能容纳两家人。相关短语： (1) make accommodations for 为提供膳宿 (2) arrange sbs accommodation 给某人安排住处 (3) accommodate to = adapt to 使适应 You will have to accommodate yourself to the situation.(你必须要让自己适应这种形势 (4) accommodate sb with sth = supply sb with sth 给某人提供某物 The bank will accommodate you

25、with a loan.银行将会给你提供贷款3. flee (vi, vt) 逃跑，逃离，迅速消散，消失,破灭 (fled ,fled ) He fled his hometown during the war. 在战争期间他逃离了他的家乡。 His hope fled when he was refused the admittance to the company. 当他被拒绝进入这家公司时，他的希望破灭了。单项填空：keys:A B )( ) 1. Luckily, the cat _ being caught. A. escaped B. tried C. overcame D. ma

26、naged( ) 2. A ware of being surrounded, the enemy _ in disorder. A. cried B. fled C. fought D. walked4. drag vt. 拖；拉；扯 n. 令人厌烦的人/事；累赘相关短语： drag behind 落在后面 drag in 扯进来 drag sb down 使某人沮丧drag on 拖延Her skirt dragged on the floor. 她的裙子拖在地上。翻译以下句子：He dragged himself/his tired feet home . 他拖着疲倦的步子回家。He d

27、rew the curtain apart. 他拉开了窗帘。He pulled the door and rushed in. 他一下子拉开门冲了进来。易混辨析从以上例句总结drag/draw/pulldrag _ draw_pull _(答案： 近义词辨析： drag 费力，缓慢而艰难地拉、拖较重的物体。 draw 从容地拉、拖 pull 突然、急速地拉，方式不限。 翻译句子 那个国家卷入了战争之中。(The country was dragged in the war.)_5. urgevt. 催促；极力主张；驱策常用结构：urge sth on/upon sb 力劝某人某事；催促某人某事

28、 urge sb to do sth 激励某人做某事；怂恿某人做某事urge that. 主张用虚拟语气翻译：_他们怂恿我吃那种奇怪的食物。_她主张我应该向他抱歉。keys:1.They urged me to eat the strange food. 2.She urged that I apologize to him.) 联想拓展urgency n.紧急，迫切，急迫 urgent adj.紧急的，急迫的;执拗的In case of urgency, call the police.一旦发生紧急情况，打 给警察。They were urgent in their demands.他们坚持

29、他们所提出的要求。 单项填空The captain urged his team D make greater effort. 201001陕西师大附中检测 A. with B. on C. of D. to6. abandonvt. 遗弃；抛弃；放弃常用结构：abandon oneself to sth 沉迷于.联想拓展 U遗弃；离弃；抛弃；放弃 放弃者；遗弃者；投保者 承保人；被遗弃者 被遗弃的；无拘束的keys: abandonment ; abandoner ; abandonee; abandoned )翻译： There was an abandoned house by the riverside._ He lives an abandoned life._(答案： 河边有一座被遗弃的房子。 他过着无拘无束的单项填空As time goes on, fewer and fewer old men are D in the countryside. 201001山东青岛模块检测A. abandon B. to abandonC. abandoning D. being abandoned7. aware