2019年高中英语Unit3Underthesea教案新人教版选修7

1、2019 年高中英语 Unit 3 Under the sea 教案 新人教版选修 7【美文阅读】广袤无垠的海洋，孕育了无数生命传奇，以其独有的神秘吸引着人类对其进行不懈的探 索。为此，海洋科学家通常把海洋分为五个区域。现在就让我们一起了解一下吧！The earths ocea ns can reach depths of up to 11,000 metres.That is deep eno ugh to coverMt.Qomolangma！The oceans are incredibly（不可思议的）large and containseveral differe nt habita

2、ts.To make it easier to describe the various parts of theocea ns , mari ne（海上的）scie ntists usually divide the ocea ns in to five zon es.Each zone is differe ntmainly as a result of how much sun light reaches it.Most of the life in the ocean can be found in the first zone，which begins atthe surface a

3、nd goes dow n about 200 metres.Because there is sun light at this level，plants are ableto grow.Marine animals such as dolphins，sharks，sea turtles andsea lions，and of course a variety of fish，live in the sunlit（阳光普照的）part ofthe ocean.It is difficult to hide from other animals in this area.The sec ond

4、 zone starts at 200 metres and goes dow n to about 1,000 metres.Somesun light can reach this level，but it is not eno ugh for pla nts to grow.Because this zone is relativelydark，many of the creatures that live here are able to make lightwith their body.The light from these animals makes the water loo

5、k like a sky with moving stars in it.The third zone of the ocean is dark.This place，about 3,000 metres deep，maynot seem a likely habitat，but there are more creatures here tha n one might th in k.Most of the ani malsthat live here are black or red because of the lack of light.Below 4,000 metres，the t

6、emperature is near freezing and there is no light at all .In fact，the zoneis so dark and empty that scie ntists n amed this zone after the Greek word forno bottom”.There isnot much life to be found in this coldand un pleasa nt part of the ocea n, but some small creatures stillman age to survivehere

7、despite the high water pressure.The very deepest part of the ocea n is found 2,000 metres further dow n.At this depth,the waterpressure is extremely high and life isvery difficult for the fewcreatures that live herepared to the other zones,this one has very littlelife.Sincethere is no light here,som

8、e of the animals do not have eyes.Next time you look at the ocean from the beach or on a map,remember that whatyou are see ing is only the surfaceon ly the begi nning of the large and variedadve nture.【诱思导学】1. Why do these animals living in the second zone make the water look like a sky with movi ng

9、stars in it?2. Do you think it is possible for some creatures that live in the very deepest part of the ocea n tosee each other?【答案】.Because many of them are able to make light with their body.2.No.Because there is no light here and some of the ani mals have no eyes.PeriodIPreviewing敖寧冃标分析（教师用书独具）教学

10、目标初步掌握本课文中的词汇，浅层次理解课文，了解相关的背景知识。本课时主要是通过学生对学案所给出的内容的学习，了解本课文中所出现的词汇，初步了解课文以及相关的背景知识，让学生在下一堂课中对课文的全面理解起到一个铺垫作用。教学地位本单元的中心话题是“海底世界”。听说读写等活动主要围绕海底动植物、海底奇妙景观，以及有关大海的神话故事展开。本单元引导学生讨论这些话题，目的在于让他们了解海底世界的博大与奇妙。从而增强保护海洋和开发利用海洋的意识。（教师用书独具）新课导入建议可以通过讨论教材第19页的图画引导学生了解这些海底动植物。培养学生热爱和保护 海洋生物的意识。教学流程设计导入新课。？学生阅读“美

11、文阅读”与“诱思导学”（见学案第34页）。?学生就“美文阅读”进行讨论，统一答案。?学生再次阅读课文（课本第20-21页）并完成“语篇理解”（见学案第35页）。？师生共 同讨论并统一答案。？让学生快速阅读课文（见课本第20-21页）并完成“篇章结构”（见 学案第35页）。?学生共同讨论，并让学生发表各自见解，最后统一答案。？学生再次仔细阅读课文（课本第2021页）进行深度理解，并完成“课文缩写”（见学案第35页）。?老师指导学生讨 论，共同找出答案。?让学生根据所给出的表格进行自我评估（见学案第36页）。?学生讨论，并让学生代表发表他们讨论得出的答案。 老师予以更正。？让学生完成“知识初探”部

12、分（见学案第35页）。?老师布置作业，让学生看课本第2021页并完成课本第21页1、2、3题，预习学案Periodn（见学案第36页）。教学册教区 I授方略液程细解朋”数秦”教案设计区 II.篇章结构阅读文章，然后完成下面表格（每空不超过3词）The main idea of the textI 1.a scene where Old Tom,thekiller whale,helped the whalers catch the hugewhales.Time2.Details of the storyOld Tom made a loud noise,3.usthat there was

13、a whale out there for us.We jumped into the boat and headed out in to thebay.Old Tom 4.us theway.As we approached,the killers over there were throwing themselves 5.thewhales blow-hole to stop it 6.,and the others were stopping it diving or 7.out tosea.One man aimed at the whale and his harpoon hit t

14、hespot.The whales body was8.by the killers dow n into the9.of the sea.We went home and inten ded to get the whalesbody the n ext day.ln the following24 hours,thekillers would havea good feed on its 10.2.0ne after noon 3.telli ng6.breath ing7.flee ing10.l ips and ton gue【答案】1.wit nessed4.showed 5.on

15、top of8.dragged 9.depthsn.语篇理解阅读P20-21 的Reading部分，从每题所给的3个选项中选择最佳答案1.Who first shouted that the killer was ing?A. The writer.B. James.C. George.2.Which of the following is TRUE?A. Old Tom and his friends were helpful to the whalers.B. Old Tom was 70 years old.C. Old Tom never did any favor for the w

16、halers.3.Why did the killers throw themselves on top of the whales blow-hole?A. To protect the whale.B. To help the whale run away.C. To stop the whale breathing.4.The whalers returned home without the whales body because_A. it was too heavy to carryB. they did nt catch the whale理敎掃 白 赴白测 固”基砒n 主学习恆

17、 IC. it would nt float up to the surface for around 24 hours5.Old Tom helped James by_ .A. hugging him in the waterB. keeping the shark away from JamesC. holding up James in the water【答案】15 CACCC川.课文缩写用所给单词或短语的正确形式完成课文缩写I had heard of the killers that helped whalers catch huge whales.Whe n I worked

18、at a whali ng station，I 1._ it man ytimes. One after noon，I heard a loud no iseing from the bay.We ran down to the shore 2._ time to see an enormous animalthrowing itself out of the water.George，one of the whalers，told me that it wasOld Tom,the killer，who was telling us theres a whale.Another whaler

19、 3._out to 4._ a whale hun t.We immediately headed out in to the bay，with Old Tom5._ us the way.Using a telescope we saw that several killers 6._ thewhale were throwing themselves on top of the whales blow-hole to stop it 7._，while others were stopping it diving or 8._ out to sea.Then the man in the

20、bow of the boat aimed at the whale and killed it.These killers 9._ harmedor attacked people.Once when we were in the bay，the sea was 10._，for whichJames was carried away by waves.Worse still，there was a shark.Fortunately，Old Tomrescued James.【答案】1.wit nessed2.in 3.yelled4.ann ou nee5.showing6.over7.

21、breathing8.fleeing9.never 10.roughI.词义搭配1.urgeA.to jump into the water head first2.pause B.to run away;to escape(esp.from dan ger,threat etc)3.witness C.to strongly remend or suggest4.abandon D.short stop while doing or saying something5.yell E.to be present at sth.and see it6.drag F.to give up plet

22、ely7.flee G.to utter a loud sharp cry or cries as of pain,excitement,etc8.dive H.to pull(sb./sth.)along with effort and difficulty【答案】1.C 2.D3.E4.F5.G6.H 7.B 8.An.短语填空sort out;help out;ahead of;in the meantime;pack into;even though；wash off;point towards1._ There were three women waiting him in the

23、queue.2.Jane is_ her friend by lending him her car.3.John_ a house,saying that was his home.4.ni_need time tothe office staffthey are hopelessly disorganizedat the mome nt.5.He got the first prize; _ ,he broke the records.6.These clothes wont be all_ one suitcase.【答案】1.ahead of 2.helpi ng out 3.poi

24、nted towards4.sort out5.i n the mean time6.packed into川.句型背诵1.A few minutes later,there was no Tom,so George started beatingthe waterwith his oar and there was Tom,circling back to the boat,leading us to the huntaga in.几分钟之后，汤姆不见了，于是乔治开始用桨拍打水面。汤姆出现了，转回到船边，又 领着我们前往捕猎处。2. As we drew closer,I could see

25、 a whale being attacked by a pack of about six other killers.走近一看，原来是一头大鲸受到约六七条虎鲸的攻击。3.A nd those others are stopp ing it diving or flee in gout to sea，”George toldme，pointingtowards the hunt. “.而其他那些虎鲸则阻止它潜水或逃跑。”乔治一边指着捕猎的场景，一边告诉我。4.It_took_over_half_an_hour_to_get the boat back to James，.我们花了半个多小时才

26、把船头调向詹姆斯厂PeriodnWarming Up & Reading敎学助 教区 I（教师用书独具）教学目标1.熟记学案中所列出的单词和短语。2.通过学案中所给出的重点单词和重点短语的学习，让学生能够正确理解和使用这些 单词和短语。3.通过对这些词汇的理解能够更深层次理解课文，并通过课文加深对这些词汇的理解， 更加熟练运用这些词汇。4.通过对本课文的理解，让学生学会用英语写投诉信类的文章，以提高学生的书面表 达能力。教学地位单词的词性和词意变化万千，用法多变。在语言学习中起至关重要的作用，所以理解和正确运用英语单词和短语是英语学习的关键所在。（教师用书独具）新课导入建议Have y

27、ou heard of the story that the killer whale helped whalers catch hugewhales?Shall we protect whales when they areendangered? Now I want to askxxxto describe what is a killer whales like.授方略泳程细解 /fl 数辛教案设计恆 I教学流程设计老师检查上堂课所布置的作业，检查学生对学案预习的情况。？导入新课。？让学生就“课堂互动探究”（见学案第36页）进行讨论，让学生各自发表自己的见解，然后让各个讨 论组派代表汇报

28、各自讨论结果。?让学生再次阅读课文（课本第20-21页），以加深对所学单词与短语的理解。？老师针 对难点和重点词汇进行讲解，并补充学案中所遗漏的重点词汇，补充一些必要的练习。？让学生针对各自不同的意见展开讨论，然后老师给出详细正确答案。?让学生完成“自我评估”（见学案第40页） o?布置作业。 让学生完成课本第21页第1、2、3题和“课时作业”，预习Period叭见学案第40页）。1. witness vt.当场见到；目击n.目击者；证人；证据I thought,at the time,that this was just a story but then I witnessed it wit

29、h my own eyes many times.（教材F2o）当时我以为这只是个故事，但是后来我亲眼见证过多次。Chinas rapiddevelopment in the last years has witnesseda powerful andprosperous cou ntry.中国近几年的快速发展见证了中国是一个强大繁荣的国家。I was a witness to their quarrel.我是他们吵架时的目击者。1witness to.（to.为介词）证实，证明wit ness for为.作证be wit nessed by由.证明2.be a witness to是的证据/

30、证人bear/give wit ness to做.的证人，为.作证in wit ness of作为.的证据I_ IIn the past the sea level was much higher,as is witnessed by remnants of raised beaches.过去海平面要高得多，这些高出来的海岸遗迹可以作证。New Yorks gra nd build ingsbear wit ness to the citys magni fice nt past.纽约的雄伟建筑是该城市过去辉煌的见证。【助记】一语言尽witnessThe witness who witness

31、ed the accident gave witness to the police and promisedto be a wit ness.这个目击了这场事故的目击者向警察提交了证据并且答应做证人。完成句子1Several people said they_ （目击了这个袭击事件）.2His good health is_ （就是这种疗法成功的证明）.3He witnessed_ （看见那个人被杀了）.【答案】had witnessed the attack/werewitnesses to the attacka witnessto the success of the treatme

32、nt3to having seen the man killed靜它互动探究顽渥难师生互动扌虽“扣竝2.acmodation n.住所；住宿；和解On the after noon I arrived atthe stati on , as I was sorting out my acmodati on ,I heard a loud noise ing from the bay.（教材P2o）有一天下午我来到捕鲸站，正在找住处的时候，我听到从海湾那边传来一阵喧闹声。Please make your own arrangements foracmodation .请自行安排住宿。They r

33、eached anacmodation with neighbouring countries.他们同邻国和解了。1make/offer acmodati ons for为.提供食宿arrange sb.s acmodati on给某人安排住处2.acmodatevt.向提供住处（或食宿）；容纳，招待住宿；供应，供给；使适应，使适合，调节适应.acmodate sb.with向. 提供to.适应LQ=加叩二使acmodate+ 适应.Cincself ioGT-iCf to使某人适应I_ IThe travel age ncy hasarran ged our acmodati ons旅行社已

34、为我们安排了住宿。I quickly n eeded to acmodate to the new schedule.我需要迅速适应新的时间表。【对接高考】（xx湖北高考）After the earthquake,the first thing the local government did was to provide_ for the homeless families.A. acmodationB. occupationC. equipment D.furniture【解析】句意：地震后当地政府做的第一件事情是为无家可归的家庭提供住处。acmodation住所，住处；occupatio

35、n占据；equipment设备；furniture家具。根据句意可知选A。【答案】A完成句子1非常感谢您为我提供膳宿。Thank you very much for_me.2我借钱给他。I_him_mon ey.3我们必须使自己适应新的情况。We must_ new con ditio ns.【答案】making acmodations foracmodated; withacmodate ourselves to3.opposite prep.在. 对面adj.相对的；相反的Weran down to the shore in time to see an enormous animal o

36、pposite us throwing itself out of thewater and then crashing down again.（教材P2o）我们及时赶到岸边，看到对面有一个庞大的动物猛力跃出水面，然后又坠落到水里。The bank is opposite the supermarket.银行在超市对面。She hurried away in the opposite directi on.她朝着相反的方向匆匆离去。be opposite from与. 相反； 不相容be opposite to在.对面；与.相反opposevt.反对opposedadj.反对的，不同的be o

37、pposed to反对.opposingadj.对抗的oppositi onn.反对；反抗I_ IIdealism is opposite from materialism.唯心论和唯物论是对立的。His store is opposite tomine.他的店在我的对面。They are all opposed to naming the high school after Martin.他们都反对以马丁的名字命名这所高中。I thought the measures would work,but it had the _effectmore riversbeing polluted.A.

38、better B.practicalC. opposite D.basic【解析】 句意：我原以为这个措施会起作用，但它却有相反的结果一一更多的河流被污染。the opposite effect相反的结果”。符合句意。【答案】C4. yell vi大叫；呼喊n.叫声；喊声An other whaler yelled out，“Rush-oo.rush-oo”.(教材P20)另外一位捕鲸人大 声喊道，快走啊.走啊”。The crowd yelled encouragement at the players.人群大声叫喊着给运动员加油。She let out a yell whe n she sa

39、w me.当她看到我时，她大叫了一声。1.yell at冲大喊yell on es head off大声叫喊yell out大声喊叫yell for help大声呼救2let out(give)a yell大喊一声I_ II yelled out in pain.我疼得大声喊叫。选词填空(for,with,at,off )1Dont yel l_me.2Will you boys stop yell ing your heads_just outside my win dow?3The man is yelli ng_help.4They yelled_ exciteme nt.【答案】 at

40、offforwith5. pause vi.& n.暂停，停顿Without pausing we jumped into the boat with the other whalers and headed out into the bay.一刻不停地，我们和其他捕鲸人都跳进渔船，朝海湾方向驶去。He paused for breath and the n continued climb ing.他停下来喘了口气，然后继续爬山。We worked for four hours without apause.我们连续工作了四个小时。1pause to do sth.停下来去做某事pau

41、se for停下来为.2give sb.pause(for thought)让某人停下来(仔细思考)/without pause不停I_ IShe paused her video to an swer the phone.她停下录像机去接电话。After a brief pause,they continued climbing.他们略停了一下就继续爬山。英汉互译1His reply was delivered with scarcely a pause for breath.2她在门口驻足片刻，然后离开了。【答案】他的回答一气呵成，几乎没有停顿。She paused at the door

42、 and the n left.6. flee vi.逃避；逃跑vt.逃离And those others are stopping it diving orfleeing out to sea,.（教材P2o）而其他那些（虎鲸）则阻止它潜水或逃到海里去，.Tom was lucky to flee the burning hotel.汤姆很幸运地逃出了失火的旅馆。flee(from)从.逃跑flee to/i nto逃到.flee in all direct ion s/every direct ion四处逃窜flee the respon sibility逃避责任I_ IHe fled t

43、o London after an argume nt with his family.他与家人争吵后离家去了伦敦。flee/escapeflee作“逃跑”讲时可作及物和不及物动词，指因害怕会有危险而逃离某地，重点在动作本身。escape作“逃跑”讲时为不及物动词，指从监禁、不愉快或危险处境中逃脱，重点在结 果。用flee/escape的适当形式填空The en emy soldiers were _ in alldirect ions,but few of them could【答案】fleeing；escape7. With in a mome nt or two,its body was

44、 dragged swiftly by the killers dow ninto the depths of the sea.(教材P20)过了片刻，鲸的尸体就被虎鲸们迅速拖向深海中去了。(1) drag vt.拖；拉；扯He grabbed her and dragged her away.他抓住她，把她拖走了。The horse was dragging a heavy load.马拖着重载。drag down使健康情况变坏；使道德水平或社会地位下降drag away拖走drag up提起（不愿回忆或谈论的事）drag out拖出来；（使）拖延drag on（使拖延）；延长（声调、字眼等

45、）I_ IIf he fails，hell drag us alldown with him.要是他失败了，他会使我们大家连同他一起毁掉的。pull/draw/dragpull“拉”，普通用词，指“用力拉”，当不 强调力的大小时，与push相对。Help me move the pia no over there；you push and I will pull.帮我把那儿的钢琴搬过来，你用力推，我来拉。draw与pull意思相近，不表力度、强度如何， 通常指“拖、拉”的动作，比pull更均匀、平稳、从容。After some time，he began to draw the n et in

46、.过了一些时候，他开始收网。drag指艰难而缓慢地“拖、拉”笨重的东西，含“费力和用劲”之意。She dragged her child to theden tists.她强拉她的孩子到牙科诊所去。【助记】占叱嵌的重，动作慢draw柞从容，平穗完成句子1他挣扎着起了床。He_himself_bed.2聚会太开心了，我舍不得离开。The party was so good that I could nt_ myself_【答案】drags;out ofdrag;away用drag,draw和pull的适当形式填空3My brother_ a heavy box out of a cupboard

47、.4They_ hard，but the big rock remained immovable.5Please_ the curta in across the win dow.【答案】dragge dpulleddraw(2) depth n.深；深度；深处Whats the depth of this lake?这个湖有多深？The person has great depth .这个人很有内涵。in depth全面；深入；详细beyo nd/out of on es depth不能理解；力所不及from the depth of the mi nd从心底里；真心地at a depth

48、of.在.的深度in the depth(s) of在正中；在深处Can you tell us the accide ntin depth?你能详细地给我们描述那次事故吗？The new theory is totallyout of my depth .我完全理解不了这项新理论。【教师备课资源】 注意体会下列词的变化及词性：deep(adj.)宀depth(n.)宀deepen(v.)high(adj.)height(n.)heighten(v.)wide(adj.) width(n.)widen(v.)Iong(adj.)length(n.)lengthen(v.)strong(adj.

49、) strength(n.)strengthen(v.)完成句子6I have nt read the report_(详细地)yet.7This kind of fish lives_(海洋深处).【答案】in depthin the depths of the sea单项填空8Water was found_ a depth of 50 meters.A. down B.atC. to D.in【解析】at a depth of.在.的深度”，to a depth of.方”。【答案】B& urge vt.催促；极力主张；驱策n.强烈的欲望；冲动“Man overboard!Tur

50、n the boat around!”urged George,P20)乔治大声催促道：“有人落水了！把船头调回去！”They urged us to go at once.他们催促我们马上去。I have a sudden urge to go to the countryside.“到达深的地shout ing loudly.(教材1urge sb.to do sth.催促某人做某事=urge on/up on sb.sth.催促/力劝某人做某事+动词原形 催促；极力主张2have an urge to do sth.有做某事的冲动3urgentadj.紧急的；急迫的4urgentlyad

51、v.紧急地；急迫地5urgencyn.急切；迫切The report urged that all children (should)be taught to swim.这份报告呼吁给所有的儿童教授游泳。The law is inurge nt n eed of reform.这项法律亟待修订。【提示】urge后跟从句时，从句需用虚拟语气，即should+动词原形，其中should可省略。与之用法相同的单词可用以下口诀表示：一坚持insist；二命令order,mand;三建议suggest,advise,propose;四要求desire,dema nd, require,request。完

52、成句子1The vacation is drawing nearand I_ （有去旅游的冲动）.2On March 11,2011,an extremely big earthquake hit the Northeaster n areas ofJapa n. The disaster area is_（急需援助）.【答案】 have an urge to travelin urgent n eed of aid单项填空3The capta in urged that the missi on_before dark.A. must be finished B.be finishedC.

53、ought to be finished D.was finished【解析】urge后跟宾语从句时要用虚拟语气，即（should+）do,mission与finish之间为动宾关系，故选B。【答案】B9. abandon vt.遗弃；抛弃；放弃；（使）沉湎于n.放任；放纵From Jamess face,I could see he was terrified of beingabandoned by us.（教材P21）从詹姆斯的脸上，我能看出他害怕被我们遗弃。Jacks on has aba ndoned his old car.杰克逊把他那辆旧车扔了。People were shout

54、i ng and cheeri ng withaba ndon.人们兴高采烈，纵情欢呼。abandon sth.放弃某物aba ndon on eself to沉湎于in/with aba ndon放肆地；恣意地3abandonedadj.被遗弃的；放荡的我突然想到乡下去一趟。urge sth. on/up on sb.向某人极力陈述某事urge sb.i nto doing sth.urge that.（should）Nowadays many stude ntsaba ndon themselves toplay ing puter games.如今，好多学生都沉溺于电脑游戏。He aba

55、 ndoned his wife and childre n.他遗弃了妻子和孩子。aba ndon /desert/quit/give upabandon指不得已而遗弃、放弃人或事物。desert强调故意逃避应尽的义务和职责，违背誓言，有责难之意。quit指“放弃，退出，离开”，多指突然或不情愿放弃，也有“中止；离职，辞职” 的意思。give up为常用词，多用于口语，与abandon冋义。Never desert a friend in need.决不要抛弃有困难的朋友。My father has quit smoking.我父亲已戒烟了。I cant answer that puzzle；

56、I give up .我猜不出这个谜语，我认输了。用abandon，desert，give up或quit的适当形式填空1Dont_ yourself to this kind of pleasure.2The village was_ because of the flood.3He_smok ing and drinking fin ally.4My daughter_ the idea of going abroad.【答案】aba ndonaba ndonedgave up/quit4gave up/quit完成句子5The young man does nothing but_ （沉

57、溺于）pleasure.6There was_ （一个弃婴）by the road.【答案】 aba ndon himself toan aba ndoned baby10.It took over half an hour to get the boat back to James,.（教材 內）我们花了半个多小时才把船头调向詹姆斯，二本句中画线部分属于It takes（sb.）some time to do sth.某人花费一段时间干某事”句型，其中it为形式主语，动词不定式短语为真正的主语。It took the workers one and a half years to build

58、the teach ing build ing.工人们建这座教学楼用了一年半的时间。It takes about two hours to getthere from here by bus.乘公共汽车从这儿去那儿花大约两个小时的时间。“某人花费一段时间干某事”的另一种表达方式:sb.spe nds some time (in) doing sth.sb.spe nds some time on sth.He spent three years （in ） learningEnglish in England.他花了三年的时间在英国学英语。I spent two days on the cas

59、e.做这个案子花了我两天的时间。完成句子1他花很多时间看电视。He_ TV.2步行上学要花我半个小时。It_school on foot.【答案】spe nds a lot of time （in） watchi ngtakes me half an hour to goto11.help（. ）out帮助（某人）摆脱困境或危难What evidenee was there that Old Tom washelping the whalers out?（教材P2有什么证据能说明老汤姆帮助捕鲸者摆脱险境？Nobody helped me out when I lost my job.在我失业的

60、时候没人帮助我。He often helps his mother out with the housework.他经常帮助妈妈做家务。help sb.（to） do sth.help sb.with sth.帮助某人做某事My sister ofte nhelps me with my En glish.我姐姐经常帮我学英语。I cannot help but admire his courage,stren gth and pete nee.我不得不赞赏他的勇敢、力量和能力。She could not help laughing.她禁不住笑了起来。用help的相关短语完成句子1Please_ （随便吃）some