2021版外研版选修四英语Unit3 Sea Exploration Using Language 学案.doc

1、Unit 3Unit 3 Sea ExplorationSea Exploration Using LanguageUsing Language 词汇积淀词汇积淀素养初探素养初探 . . 根据语境写出正确的单词根据语境写出正确的单词 1. the migrationmigration (迁移) routes of birds 2. a directorydirectory (电话号码簿) of hotels 3. exploitexploit (开发) ones talents 4. a 20-gallongallon (加仑) fish tank 5. a murdermurder (凶杀)

2、 case 6. a heart full of mercymercy (仁慈) 7. make public property ones private possessionpossession (拥有) 8. a political opponentopponent (反对者) 9. loggedlogged (载入正式记录的) 30, 000 air miles in April 10. marinemarine (海的) exploration 11. the arrestarrest (逮捕) of a criminal suspect . . 根据语境用恰当的介、副词填空根据语境用

3、恰当的介、副词填空 1. There was a mass migration of poverty-struck farmers intointo the cities. 2. She appealed to the judge to have mercy onon her husband. 3. The home team was inin possession during most of the fourth quarter. 4. She was stopped outside the shop and placed underunder arrest. . . 翻译下列课文原句并观

4、察黑体部分翻译下列课文原句并观察黑体部分 1. Plastic pollution is also bad, killing many birds and fishkilling many birds and fish, and has even been found in our tap water. 塑料污染也很严重塑料污染也很严重, , 杀死了许多鸟和鱼杀死了许多鸟和鱼, , 甚至在我们的自来水中也发现了。甚至在我们的自来水中也发现了。 2. There are probably vast amounts of resources under the sea and ice, not j

5、ust oil not just oil and gas but also valuable mineralsand gas but also valuable minerals. 海洋和冰下可海洋和冰下可能蕴藏着大量的资源能蕴藏着大量的资源, , 不仅仅是石油和天然气不仅仅是石油和天然气, , 还有宝贵的矿物。还有宝贵的矿物。 3. Hopefully, as technology improvesas technology improves, we may have more options for managing this balance. 希望随着技术的进步希望随着技术的进步, ,

6、我们可以有更多的选择来控制这种平衡。我们可以有更多的选择来控制这种平衡。 阅读精研阅读精研素养构建素养构建 . . 文本整体理解文本整体理解: : 理清文章架构理清文章架构 1. Skim the passage and fill in the blanks1. Skim the passage and fill in the blanks Text 1Text 1 (1)SeaSea exploration has caused many problems More exploration means more (2)pollutionpollution. (3)MiningMining f

7、or resources is very damaging. (4)OverfishingOverfishing is another problem. Text 2Text 2 Sea exploration is important for our (5)futurefuture. More research is (6)necessarynecessary. We need new (7)resourcesresources for future development. (8)EnvironmentalEnvironmental risks should be balanced wit

8、h economic needs. 2. What is the text type of the passage? 2. What is the text type of the passage? A. Narration. (记叙文) B. Argumentative essay. (议论文) C. Expository writing. (说明文) D. Practical writing (应用文) 答案: C 3. Whats the main idea of this passage? Text 1 is mainly about the problems caused by se

9、a exploration but Text 2 centers on Text 1 is mainly about the problems caused by sea exploration but Text 2 centers on the importance of sea exploration for humans. the importance of sea exploration for humans. . . 文本细节理解文本细节理解: : 探寻语篇细节信息探寻语篇细节信息 1. Choose the best answer1. Choose the best answer

10、(1)Why does the writer mention the Deepwater Horizon? A. To show it has more gallons of oil. B. To explain its influence on animals. C. To stress the bad effect of plastic. D. To prove it has caused serious pollution. (2)What is the main idea of the third paragraph? A. The speed of the melting ice i

11、n Arctic. B. The discovery of fossil fuels in Arctic. C. The damaging resources in the Arctic. D. The influence of climate on the Arctic. (3)What does the first writer think of the sea? A. It belongs to humans. B. It is the habitat of life. C. It is less sensitive actually. D. It is the possessions

12、of future generations. (4)What makes it necessary for us to explore seas? A. The development of technology. B. The value of minerals under the sea. C. The rising number of population. D. The occurrence of earthquakes. 答案: (1)(4)DDBC 2. Reread the passage and fill in the blanks2. Reread the passage a

13、nd fill in the blanks The problems of exploring sea More exploration means more (1)pollutionpollution Gallons of oil is spilled into the sea Plastic pollution Mining for resources is very (2)damagingdamaging Climate change makes (3)iceice less Look for more fossil fuels further north The ice will me

14、lt more (4)OverfishingOverfishing is another problem Sea exploration is important for our future. Help address important issues such as (5)climate changeclimate change Understanding more about the sea Help us manage its (6)resourcesresources better Logging new (7)speciesspecies Improve our understan

15、ding of life on the earth. Accessing the deep ocean Help us to predict (8)eventsevents such as earthquakes New resources for growing (9)populationpopulation More resources under sea and ice Balance the (10)economiceconomic needs and environmental risks . . 文本素养提升文本素养提升: : 阅读技能综合运用阅读技能综合运用 1. 根据课文语境与

16、语句知识细致解构语句 译文译文: : 由于气候变化, 现在的冰减少了, 这意味着我们可以在更远的北方寻找更多的化石燃这意味着我们可以在更远的北方寻找更多的化石燃 料料。 译文译文: : 我们需要了解我们的星球正在发生什么我们的星球正在发生什么, 这样我们才能采取行动。 2. 2. 阅读主题活动阅读主题活动 (1)What is overfishing? Overfishing is closely tied to bycatchOverfishing is closely tied to bycatchthe capture of unwanted sea life while the cap

17、ture of unwanted sea life while fishing for a different species. This, too, is a serious marine threat that causes fishing for a different species. This, too, is a serious marine threat that causes the needless loss of billions of fish, along with hundreds of thousands of sea the needless loss of bi

18、llions of fish, along with hundreds of thousands of sea turturtles and cetaceans. tles and cetaceans. The damage done by overfishing goes beyond the marine environment. Billions of The damage done by overfishing goes beyond the marine environment. Billions of people rely on fish for protein, and fis

19、hing is the principal livelihood for millions people rely on fish for protein, and fishing is the principal livelihood for millions of people around the world. of people around the world. (2)What did we learn from the Deepwater Horizon disaster? The Deepwater Horizon blowout caused gas and oil to sp

20、ill into the Gulf of Mexico The Deepwater Horizon blowout caused gas and oil to spill into the Gulf of Mexico for 87 days. Years after this environmental disaster, scientists studying the spill for 87 days. Years after this environmental disaster, scientists studying the spill better understand the

21、complex processes that affect how oil transfobetter understand the complex processes that affect how oil transforms and degrades rms and degrades in the water and just how resilient ecosystems can be to such a disturbance. The in the water and just how resilient ecosystems can be to such a disturban

22、ce. The disaster response also did nothing to clear up debates about chemicals called disaster response also did nothing to clear up debates about chemicals called dispersants that are often used in spill cleanups. Researchers hope that the dispersants that are often used in spill cleanups. Research

23、ers hope that the tectechnological advances over the past decadehnological advances over the past decadeand the knowledge gainedand the knowledge gainedwill better will better prepare the world for the next big spill. prepare the world for the next big spill. (3)How do human activities affect the oc

24、eans? Human activities affect nearly all parts of the ocean. Lost and discarded fishing Human activities affect nearly all parts of the ocean. Lost and discarded fishing nets nets continue to lethally snare fish, seabirds, and marine mammals as they drift. continue to lethally snare fish, seabirds,

25、and marine mammals as they drift. Ships spill oil and garbage; they also transport critters to alien habitats Ships spill oil and garbage; they also transport critters to alien habitats unprepared for their arrival, turning them into invasive species. Mangrove forests unprepared for their arrival, t

26、urning them into invasive species. Mangrove forests are cleared for are cleared for homes and industry. homes and industry. Climate change currently affecting the planet because of high greenhouse gas Climate change currently affecting the planet because of high greenhouse gas emissions from humans

27、is strikingly reflected in the oceans. The greenhouse gas carbon emissions from humans is strikingly reflected in the oceans. The greenhouse gas carbon dioxide is also turning ocean waters acidic, and an influx of freshwadioxide is also turning ocean waters acidic, and an influx of freshwater from m

28、elting ter from melting glaciers threatens to alter the weatherglaciers threatens to alter the weather- -driving currents. driving currents. 要点精研要点精研素养奠基素养奠基 1. mercy 1. mercy n. n. 仁慈仁慈; ; 宽恕宽恕; ; 恩惠恩惠 *Although this was banned in 1982, some countries are still “murdering” these intelligent creatur

29、es without mercy.mercy. 尽管这在 1982 年被禁止, 但一些国家仍然毫不留情地“谋杀”这些聪明的生物。 *Having lost the engines power, the boat was now at the mercy ofat the mercy of the wind. 发动机坏了, 这艘船现在任由大风摆布。 *He was such a cruel man that he showed no mercy toshowed no mercy to others. 他是一个那么残酷的人以至于他对别人毫无怜悯之情。 *They had mercy onhad

30、mercy on their neighbor for he suffered a lot. =They showed mercy toshowed mercy to their neighbor for he suffered a lot. 他们对邻居表示同情, 他受的苦难太多了。 show mercy to sb. 怜悯某人 have mercy on 对表示怜悯 at the mercy of 任凭的摆布; 在的支配中 without mercy 残忍地, 毫无同情心地 【即学活用】语法填空 (1)He will be generous and mercifulmerciful (mer

31、cy) to those who are weaker than himself. (2)So pitifully did she plead that the Baron grew calm and decided to have mercy onon her. (3)They showed little mercy toto the enemies. (4)The policemen shot the crocodile withoutwithout mercy. (5)The boat was atat the mercy of the rapid river. 2. possessio

32、n 2. possession n. n. 个人财产个人财产; ; 拥有拥有; ; 控制控制 *The sea is home to life, not human beings possessions.possessions. 海洋是生命的家园, 而不是人类的财产。 *The company that Tom is in possession ofin possession of was once in the possession of his uncle. 汤姆现在拥有的公司曾经是他叔叔的。 *On her fathers death, she came into possession

33、of came into possession of a vast fortune. 父亲死后, 她 继承了一大笔财产。 *We didnt take possession oftake possession of the car until a few days after the auction. 拍卖会 过后几天, 我们才真正拿到了那辆车。 be in possession of sth. 拥有/占有某物 be in the possession of sb. /be in ones possession 为某人所有; 归某人所有 have possession of 拥有 come i

34、nto possession of 占有某物 get/take possession of 占领; 夺取 【即学活用】语法填空 (1) He is inin possession of the house. = The house is in thethe possession of him. (2)He took possession ofof a lot of jewels from Mr White. (3)He had come intointo possession of a large fortune. (4)Does the young man standing there ha

35、ve possession ofof the company? 3. arrest 3. arrest n. n. 逮捕逮捕; ; 拘留拘留; ; 中止中止 vt. vt. 逮捕逮捕; ; 拘留拘留; ; 阻止阻止 *A $5 million reward has been announced for information leading to the arrestarrest of those responsible for the murder. 一项 500 万美元的悬赏已经公布, 以获得逮捕那些对这起谋杀事件负责的人的信息。 *He is said to be under arres

36、tunder arrest for spreading online rumors. 据说他由于传播网络谣言被捕了。 *An unusual painting arrested his attention.arrested his attention. 一幅异乎寻常的画引起了他的注意。 *After the match three youths got arrested.got arrested. 比赛过后, 有三个青年被捕。 *He was arrestedarrested for faking some famous paintings. 他由于伪造一些名画而被逮捕。 arrest sb.

37、 for sth. 因逮捕某人 get arrested (人)被逮捕 arrest ones attention 引起某人的注意 be under arrest 被逮捕 make an arrest 进行逮捕 【即学活用】 (1)She was arrested forwas arrested for drug-related offences. 她因涉嫌毒品犯罪而被捕。 (2)You shouldnt do things like that. You could get arrested! You could get arrested! 你不应该做那样的事。你会被捕的! (3)The br

38、ight colours of the flowers arrested the girls attentionarrested the girls attention. 花的艳丽色彩引起了那姑娘的注意。 (4)Youre under arrestYoure under arrest. Youre here to assist my investigation. 你已经被捕了, 你来这里是协助我办案的。 读写结合读写结合表达升级表达升级 如何写辩论性文章如何写辩论性文章海洋探测海洋探测 辩论性文章属于议论文。议论文主要针对某一观点或问题(一般为有争议的观点或问题) 发表议论和看法, 因此写此类

39、文章时要考虑的论据多为正反两个方面。通过对有争议的观点 或问题的不同看法进行比较, 然后进行分析和评论, 最后提出自己的看法, 表达自己支持或 反对的态度并加以论证说明, 得出结论。 假如你是李华, 学校即将举行以“Is it necessary for humans to explore oceans? ” 为题目的英语作文比赛, 请按照下列要求写一篇 80 词左右的议论文。要点如下: 1. 使海洋可持续发展 2. 了解海洋环境 3. 更好地了解气候 完成句子完成句子 1. 它可以建立更好地理解环境变化所需的基本信息。 It can establish the basic informati

40、on needed to better understand environmental to better understand environmental changechange. 2. 这有助于科学家解决目前的情况。 It helps scientists to address curreaddress current situationsnt situations. 3. 这有助于科学家预测未来可能出现的情况。 It helps scientists to predict the future situationspredict the future situations that

41、may emerge. 4. 它还可以让我们了解海洋中可利用的物质, 生命形式是如何生存的, 以及人类如何在海 底生存或充分利用深海资源。 It can also give us knowledge about what are available in oceanswhat are available in oceans, how the life forms live, and find out how humans can survive down there or make good use of the depths make good use of the depths resou

42、rces. resources. 5. 海洋是我们赖以满足食物、能源等需求的资源之一。 The sea can be one of the resources for us to rely on to fulfill the needs such as fulfill the needs such as food, energy, etcfood, energy, etc. 6. 它还可以帮助我们跟踪发生在海洋上的气候变化以及可能影响我们生活的因素。 It can help us keep track of the climate changes that happen to the ocea

43、nthat happen to the ocean and what might affect our life. 7. 海洋探险对人类有很大的好处。 Sea exploration will be of great benefit tobe of great benefit to humans. 句式升级 8. 用 which 非限制性定语从句合并句 1, 句 2 和句 3 It can establish the basic information needed to better understand environmental change, which helps scientist

44、s to address both current situations and to predict which helps scientists to address both current situations and to predict the future situations that may emergethe future situations that may emerge. 9. 用 because 合并句 4 和句 5 It can also give us knowledge about what are available in oceans, how the l

45、ife forms live, and find out how humans can survive down there or make good use of the depths resources, because the sea can be one of the resources for us to rely on to fulfill because the sea can be one of the resources for us to rely on to fulfill the needs such as food, energy, etc. the needs su

46、ch as food, energy, etc. Is it necessaryIs it necessary for humans to explore oceans? for humans to explore oceans? I agree with the view that it is necessary for humans to explore seas. First, it can establish the basic information needed to better understand environmental change, which helps scien

47、tists to address both current situations and to predict the future situations that may emerge. Moreover, it can also give us knowledge about what are available in oceans, how the life forms live, and find out how humans can survive down there or make good use of the depths resources, because the sea

48、 can be one of the resources for us to rely on to fulfill the needs such as food, energy, etc. In addition, it can help us keep track of the climate changes that happen to the ocean and what might affect our life. In sum, sea exploration will be of great benefit to humans. 1. 1. 话题词汇话题词汇 (1)monster

49、怪物 (2)attack 袭击 (3)creature 生物 (4)sighting 目击 (5)hairy 多毛的 (6)frightening 吓人的 (7)mysterious 神秘的 2. 2. 话题句式话题句式 (1)The Grey Man is a frightening creaturefrightening creature that lives in Scotland. 灰人是生活在苏格兰的一种可怕的生物。 (2)They say thaThey say that t the low-temperature sea is unlikely to be able to sup

50、port such large living creatures. 他们说水温这样低的海里不可能有体型如此巨大的生物生存。 (3)He claimsHe claims to have seen a round black creature moving quickly through the water. 他声称看见了一个圆的黑色生物在水中快速移动。 (4)The rich marine biological resources, mineral resources, chemical resources and power resources are an indispensable res