高中英语：Unit 3 Under the sea 学案(新人教版选修7)

人教版高中英语选修7教案Unit3UndertheSea人教版高中英语选修7教案Unit 3 Under the Sea Unit 3 Under the Sea一、语言要点I单元要点预览（旨在让同学整体了解本单元要点）词汇部分词语辨析1shre/seaside/beah/ast/ban 2flee/esape 3 deep/deepl 词形变化1 depth n 深, 深度,deepl adv深深地deep ad&ap adv 深的;深入地,2 nserve v 保存, 保藏nservatin v 保存, 保持3vivid ad 生动的, 鲜明的, 活泼的vividl adv 生动地, 鲜明地4 aese ad 引起敬畏的, 可怕的ae n 敬畏ae vt敬畏tast ad 好吃的, 可口的taste v品尝;n味道, 味觉tasteless ad 没味道的, 无鉴赏力的重点单词1 annual ad 每年的；按年度计算的/ n 年刊；年鉴2 itness n 目击者；证人；证据vt 当场见到；目击3 adatin n 住所4 abandn vt 放弃；遗弃；抛弃reflet vt 映射；反射vi &ap vt 思考6 aare ad 意识到的；知道的7 sare vt 恐吓vi 受惊吓重点词组srt ut整理；挑出help ut 帮助……（摆脱困难或危难）；协助；使……脱离困境thr neself ut f 跃出upside dn上下翻转过重点句型1 It as a tie h en the iller hales, r “illers” as the ere then alled, helped the halers ath the baleen hales that ere n their annual igratin2 I had alread heard that Gerge didn’t lie being ept aiting, s even thugh Ididn’t have the right lthes n, raed after hi3 I’sittin g in the ar night air ith a ld drin in hand and refleting n the da-a da f pure agi!重点语法被动语态（II）(见语法专题)II 词语辨析(旨在提供完形填空所需材料)1) shre/seaside/beah/ast/ban n海边，海岸【解释】shre 指海岸，湖岸，也指近海的一带。

高中英语 Unit 3 Under the sea 语言运用导学案新人教版选修7Unit3 Under the sea 语法导学案新人教版选修7【学习目标】1、Read the passage and get some useful information、2、 Work out the difficult points、3、 Try to achieve harmony with nature、【学习重点】Understand the difficult sentences and master the key words、【学习难点】Understand the difficult sentences自主学习 Task one: Choose the best answer、1、In the diary, the author mainly wants to tell us that____、A、 what he saw in the seaB、 how the fish eat in the seaC、 the vivid colors in the seaD、 all the plants in the sea are poisonous2、 What did the writer do on that morning?A、 Go swimmingB、 Go fishingC、 Go snorkelingD、 Go sailing3、Which kind of corals’ shape is NOT mentioned in the text?A、 PlatesB、 MushroomsC、 LaceD、 Bottle4、 H ow many kinds of creatures didn’t the author want to get too close to according to the fourth paragraph?A、 TwoB、 ThreeC、 FourD、 Five5、、From the whole text we can know that the writer felt that_______、A、 He was a tiny spot compared with the whole world、B、 The ocean was a tiny spot compared with the whole world、C、 There was no danger in the sea except the sharks、D、 All kinds of fish were waiting for something for food、Task two: Read the text and fill in the blanks、During the snorkeling trip, the writer first became _____ of the ____ colours and the fantastic corals、 He saw little fish ________ the bodies of larger fish, the parrotfish _________ upside down, sea-slug _______ by a sea-star, a turtle passing so close to him, an eel_______ its head from a hole, a clam _______ for something to swim in between its thick green lips、 He felt ______ to death on seeing some creatures、 It is a wonderful and _________________ world under the sea、Task three: Glance quickly through the text and number the paragraph topics in the correct order、 colors and shapes ________ the reef’s edge _________ dangers _________ a final thought ________ reflecting _________ some sea creatures _________合作探究1、reflect 映射，反射，思考（B级）教材原句__________________________________________________________________________________________________________________ _______reflect vi &vt vt、反射,反映 vi、反射,映出,思考归纳拓展：reflect on/upon sth be lost in reflectionThe still water reflected the full moon、恬静的水面映出一轮圆月。

高中英语 unit3 under the sea导学案新人教版选修7 1、Book7Unit3UndertheseaVocabularyTask1:Fillintheblanksaccordi ngtoChinesetogetfamiliarwiththenewwordsofthisunit.MarkandaS ealMarkrentedan1.__________________withhispensionnearthe2._ _________.Hepaid3.____________visitstheretoenjoythevividbea utyinthedepthsofthepuresea.Once,withhisunderwater4.________ ______and5._______________,Markdivedalong2、theboundarybetweenthe6.__________reefandtheareaof7.________ _____________________.Suddenly,anawesomeAntarcticsealwith8. ____________teethappeared9.__________him.Everycellinhisbody 10.________________________________.Butsoon,hewas11._______ ____thathewasn’tthe12.___________ofanattack.Withaneatwound initslipcausedbyashark,thisgreysealwaswash3、ed13._____________________bythetidestimeaftertime.Butittrie dtojogMarkasifto14.___________himtohelpit.SoMark15.________ ____fleeingaway.Withits16._______________,Markusedanetto17. ________thesealtothe18.______________water.Without19.______ ________hehelpeditoutafterasimpleoperationandsettleditina20 .___________cavebytheseaside.Everytimeheb4、roughtit21._____________fish,itwouldyelland22._____________ _hishandshappily.23._____________saidtheiranecdotes24._____ ___________amagicdimensionofthe25._________________betweenh umansandanimals.马克用他的退休金在海岸边租了一间住宅，每年都去那儿观赏纯洁的大海深处那生动的秀丽。

Period 1Vocabulary and Warming Up Teaching aims1．Learn to pronounce the new words correctly and know their exact meanings in the context.2．Guide students to use the new words in plete sentences with the help of pictures.3．Learn to use the correct forms of the new words according to the context.Teaching proceduresStep 1Warming up1．What is it in the second picture？And where are the watchers？(an aquarium)2．Why do people buy aquariums or visit aquariums？(to decorate rooms/raise pets/watch sea creatures，etc.)3．So in general what is an aquarium?(An aquarium is a place where people can enjoy a great diversity of creatures on the earth.) 4．Where can you find these creatures？(oceans/seas/coral reefs...)5．What words would you like to use to describe them？(beautiful/wonderful/marvelous/ splendid...)Step 2Get familiar with the new wordsShow pictures—lead students to output the new words—to make a plete sentence.Picture 11．What special equipment is the man wearing？(a snorkel)2．What is the man doing？(go/be snorkelling)3．Do you think it is very deep？Guess the depth of the water. What word will you use to describe the water？(deep/shallow/...in depth)Suggested answers：A man is snorkelling in shallow water which is probably 0.5 meter in_depth.Picture 21．Where is the photo taken？(under the water)2．What is it in the dark？(a cave)3．Look at the entry of the cave；what word will you use to describe it？(a narrow entry) Suggested answers：A camera is falling into a cave with a narrow entry.Picture 31．Where are the people？(near the shore/at the seaside)2．Suppose you were one of them，what would be your feeling or reaction when facing a whale?(yell/be scared to death/flee from the shore)3．Suppose these are local people and the whale has difficulty returning to the sea，what will they do in your opinion？(help...out)4．Suppose the next day a news reporter gets the scoop and interviews them，what is the relationship between them？(interviewer and witnesses/interviewees)5．According to the information you get，say something to describe the picture.Suggested answers：At the seaside，there is a crowd of people yelling when facing a whale and some of them are scared to death，even trying to flee.OrNear the shore a whale gets stuck and some local people want to help the whale out. The next day a news reporter interviews them. The relationship between them is interviewer and witnesses.Picture 41．What is the animal called in English？(seals)2．Usually，where do you suppose we can find seals and penguins？(in Antarctic)3．What word will you use to describe the snow and the whole scenery？(pure white/beauty)4．What will they do next according to the picture？(leap)5．Say something to describe the scenery.Suggested answers：Seals are mon animals in Antarctic.Isn't it a real beauty when you see a pack of seals are leaping from the ice，against the pure white background?Picture 51．What is it？(a sea－slug)2．What can you see on the back of the sea－slug？(with vivid colors and stripes/it is a striped sea－slug)3．In general，animals and plants with vivid colors are dangerous.They are...(poisonous) 4．Say something about the picture.Suggested answers：The ocean is a place full of magic where you can find animals and plants with vivid colors and different shapes，but generally speaking，animals and plants with vivid colors are poisonous.Picture 61．Is the fish swimming in the normal way？(hang upside down)2．What do you suppose it is doing？(eating tasty plants)Suggested answers：The fish，hanging upside down，is eating some tasty plants in the ocean.Step 3ConsolidationOne afternoon I was sorting out my a______ when I heard a huge noise ing from the bay.As we ran down to the s______，we saw an enormous animal jumping in the water up and down in order to inform the whalers of a whale out there for them.With Old Tom guiding the way，we soon got close to the hunt，astonished to see a whale being a______ by about six other killers.Some t______ themselves on top of the whale's blow－hole to stop it b______ while others tried to stop it f______ out to sea.Then a whale hunter in the boat a______ the harpoon at the whale and hit it.Soon the whale died.The killer whales d______ the body of the whale down into the sea.The body would f______ up to the surface of the sea about 24 hours later after Old Tom and the others enjoyed its lips and t______.On another occasion，James，a whaler，was w______ off the boat.I was terrified to see a shark a______.Fortunately，Old Tom held James up in the water while the other killers were still attacking the whale.Suggested answers：acmodation；shore；attacked；threw；breathing；fleeing；aimed；dragged；float；tongue；washed；approachingStep 4HomeworkGet more information about sea creatures on the Internet.。

Unit 3 Under the sea核心单词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 and watch the historic flight of teacher Christa McAuliffe.我们聚集在一起见证历史，观看教师克里斯塔·麦考利夫历史性的飞行。

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 without a witness.在世无朋友,死后无证人。

常用结构：give witness on behalf of sb. 替某人作证be a witness to ... 是……的目击者witness to sth./doing sth. 为某事作证bear/give witness to sth. 作证;证明某事高手过招单项填空Many people the car accident, so it was not difficult to investigate.Witnessed B. Harnessed C. Swallowed D. Drugged解析：选A。

考查动词词义辨析。

句意为：许多人目击了那场车祸，因此不难调查。

witness目击；harness控制；利用；swallow吞掉；drug下药；使服药。

2. dragvt.拖；拉；扯n.令人厌烦的人/事；累赘常用结构：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。

易混辨析drag/draw/pulldrag 表示费力，缓慢而艰难地“拉、拖”较重的物体。

教学准备1. 教学目标教学目标1. Ability goals 能力目标To help the Ss develop their reading ability by skimming for main ideas and car eful-reading for details with the teacher’s guidance.To get The Ss to master some key words such as witness, abandon, yell, drag, flee and so on.2. Learning ability goals 学能目标To enable the Ss to talk about animals under the sea.To help the Ss know the importance of the relationship between animals and humans.2. 教学重点/难点教学重点和难点Teaching important points 教学重点Help the Ss know more about animals under the sea as well as the animals’loyalty and help to human bein gs.Teaching difficult points 教学难点1. Help the Ss get the main idea and some detailed information by fast-reading and careful-reading.2. Help the Ss tell apart from Before, During and After in the story.3. 教学用具4. 标签教学过程Step1. Warming Up : Talk about animals under the sea.1. Have you ever seen some marine animals?2. What have you seen, and where have you seen them?I have seen a/some/many…… in/on/from……amazing marine animals: seal, turtle, dolphin, sea-horse, sea-star, shark, angelfish, jellyfish, lobster, coralStep2. Fast-reading:1. Find out the Background Information of the story : writer, career, writing style, time, place, main character.2. Find out the Main Idea of the passage: What’s the first story mainly about?Step3. Careful-reading:1. Clancy had heard of the killer whales that every year killer whales would help whalers catch baleen whales. Did he believe it at first? When did he believe it was a true anecdote?2. How many paragraphs are there all together in story1? The hunt can be divided into 3 stages.Stage1: before the hunt: (para. 2-6):Old Tom’s doing: throwing itself out of … and crashing down again… Why? to tell the whalers…, …by the boat…, circling backto …Why? to lead the whalers…Whalers’ reaction: Another whaler __________. George _____ ___ _____ Clancy, and Clancy ______ after him. They __________ the boat and______ ____into the bay.Stage2&3: Dur ing and after the hunt: (para. 7-9):Killer whale’s doing: The killers over there are ________ themselves on the top of the whale’s blow-hole to stop it __________; and some others are stopping it _______ out to sea. The killersstarted ________ between our boat and the whale just like a pack of ____ ___ dogs. When the baleen whale was dead, its body wa s_______ down into the depths of the sea.Whalers’ reaction: The man in the bow of the boat aimed the harpoon at the whale and then let it go to hit the spot.Conclusion: They have amazing relationship. They work as a teamStep4 : SummaryWorking at the _______station, I had the chance to _________ a baleen whale being attacked by a ______ of k iller whales.On the afternoon I arrived at the station, as I was __________ my accommodation, I heard a loud noise coming from the bay. I ran down to the ______ in time to see an enormous animal _________ itself out of the water and then _______________ again. George told me it was Old Tom, who announced there would be a ___________.Using a _________, we could see a baleen whale _______________ by about six killers. Some are ________ themselves on top of the whale’s __________to stop it breathing; and some others are stopping it_______ out to sea. The whalers aimed the ________ at the whale and then let it go to hit the spot. Being badly ________, the whale soon died. Very soon, its body was ________ by the killers down into the _______ of the sea.课后习题课后作业Deal with Exercise 3 in Comprehending . Let the Ss work in groups and do some discussion：As a matter of fact, whales are now an endangered animal. Many people are trying to protect them from being hunted. The last whaling station in Australia closed in 1978. But some countries oppose the ban. An d there are still people who hunt whales. What’s your opinion? Are you for or against the banning whaling? Consider the problem carefully and we’ll have a discussion tomorrow.。

高中英语第三单元 4课时 Under the sea导学案新人教版选修7the sea授课时间30th、、Mar课型New二次修改意见教学目标知识与技能Enable the Ss to know more about the living things under the sea and experience the beautiful and harmonious nature by reading a diary describing the animals and scenery under the sea and learn to write a similar one according to the expressions given、过程与方法Reading and discussing情感态度价值观Try to improve the students’ reading ability by grasping the information in the dairy about the world under the sea、 Strengthentheir sense of environmental protection、教材分析重难点Enable the Ss to read for specific information and guide the Ss to write their own diary教学设想教法Reading, listening and speaking、学法Discussing, explaining, reading and practicing教具The multimedia computer课堂设计一、目标展示重点句子I’m sitting i n the warm night air with a cold drink in my hand and reflecting on the day a day of pure magic!The first thing I became aware of wasall the vivid colours surrounding me 、、、What a wonderful, limitless world it was down there!教学反思。

高中英语第三单元第四节 Under the sea导学案新人教版选修7二次修改意见教学目标知识与技能 To learn the useful expressions and sentence structures in the reading过程与方法Practicing, explanation、情感态度价值观To further understand the friendship between man and whales、教材分析重难点To enable students to use language points both orally and in written forms、教学设想教法Practicing, explanation、学法Practicing, explanation、教具Multimedia computer课堂设计一、目标展示1、To learn the useful expressions and sentence structures in the reading、2、To enable students to use language points both orally and in written forms、3、To further understand the friendship between man and whales二、预习检测Ask some students to retell the passage、质疑探究The usage of some important words and expressions、 such as witness, set out, accommodation、二、精讲点拨1、witness vt、 (1)be present at(someplace)and see it 当场见到/目击Did anyone witness the accident？有人亲眼看到那次事故了吗？(2)“见证了”，时间、地点等作主语。

高中英语 Unit 3 Under the sea 语法导学案新人教版选修7Unit3 Under the sea 语法导学案新人教版选修7一学习目标：1 掌握v-ing 的被动形式，并会熟练运用(重点)2 能正确说出v-ing在句中所做的成分。

二学习内容：v-ing 的被动形式V-ing 形式由“do＋ing” 构成，其否定形式是“not doing”, V-ing 可以带宾语或状语构成 V-ing 短语，没有人称和数的变化，但有时态和语态的变化。

语态时态主动语态被动语态一般式(not)doing(not)being done完成式(not)having done(not)having been done自主学习现在分词的用法一、现在分词可在句中作定语、表语、补足语和状语。

1、作定语现在分词作定语时多置于它所修饰的名词前:Thisisapressingquestion、这是一个紧迫的问题。

Heaskedanembarrassingquestion、他提了一个令人难堪的问题。

现在分词亦可置于它所修饰的名词之后:Therewerenosoldiersdrilling、现在分词短语一般皆置于其修饰的名词之后:Alittlechildlearningtowalkoftenfalls、Themenworkinghereareallfromtheruralareas、2、现在分词用作状语现在分词及其短语从表意的角度看,也可用作状语,表示时间、原因、结果、条件、让步、方式或伴随情况等。

其动作可能发生在谓语动词之前或之后,也可能与谓语动的动作同时发生。

(句子的主语就是分词的逻辑主语)(1)表示时间Climbingtothetopofthetower,wesawamagnificentview、Walking along the street, she saw a little girl running up to her、强调与谓语动词的动作同时发生时,现在分词之前可用连词when或while:Whenleavingtheairport,theywavedagainandagaintous、While watching TV in the room, I heard someone knocking at the door、(2)表示原因Beingsick,Istayedathome、Knowing that he was tired, I told him to have a rest、(3)表示条件Adoptingthismethod,wewillraisetheaverageyieldby40percent 、Turningtotheright,youwillfindapathleadingtohiscottage、(4)表示让步Admittingwhatshehassaid,Istillthinkthatshehasnttriedherbe st、(5)表示结果Itrainedheavily,causingseverefloodinginthatcountry、Itrainedfortwoweeksonend,completelyruiningourholiday、(6)表示方式或伴随情况Heranuptoherbreathingheavily、Pleasefillintheform,givingyourname,address,etc、现在分词的完成形式：现在分词的完成形式主要用在状语中，表示动作在谓语动作之前Having been there many times, he offered tobe our guide、Not having done the work well, we decided to try again、注：在独立结构中，也可以用现在分词的完成形式，如：His comrades having all left for the front, he didn’t want to stay in the rear、二、现在分词的被动形式1、动词-ing的被动式的构成(1)一般被动式：being+过去分词 (2)完成被动式：having been+过去分词2、动词-ing的被动式的用法(1)动词-ing的一般被动式表示与其逻辑主语为被动关系；作主语和宾语时无固定的时态意义，作定语和补足语时表示正在进行或与谓语动词的动作同时发生。