（2022新）人教版高中英语高二选择性必修第四册Unit 3 Period Four Using Language & Other Partsppt课件.pptx

1、Sea ExplorationUnit 3Period Four Using Language & Other Parts基础自测 自主学习 落实基础知识语篇理解 精读演练 萃取文本精华互动探究 探究重点 互动撞击思维达标检测 当堂检测 基础达标演练内容索引内容索引.Read the passage quickly and get its general idea.语 篇 理 解精读演练 萃取文本精华1.Whats the main idea of the passage?A.The risks about sea exploration.B.The benefits about sea ex

2、ploration.C.The necessities and risks about sea exploration.D.The balance between sea exploration and protection.2.Read the passage and match the main idea of each paragraph.Para.1A.Sea exploration can help us much.Para.2 B.Sea exploration causes problems.Para.3 C.More exploration means more polluti

3、on.Para.4 D.Mining for resources damages much.Para.5 E.Overfishing also causes problems.Para.6 F.The sea is not human beings possessions.Para.7 G.Sea exploration is necessary.Para.8 H.The balance between exploration risks and economic needs.Para.9 I.Sea exploration means more resources.Read the pass

4、age carefully and choose the best answer.1.Which of the following has sea exploration not caused according to the text?A.Overfishing.B.Air pollution.C.More pollution.D.Damaging mineral resources.2.Which of the following about sea exploration is NOT true?A.More sea exploration only help us exploit oi

5、l and gas.B.More sea exploration can help us discover new medicines.C.More sea exploration can give us more sources of food and energy.D.More sea exploration can help us predict events such as earthquakes.3.What should we do to protect environment according to the passage?A.To exploit the sea more.B

6、.To look for more fossil fuels in the Arctic.C.To hunt whales and dolphins to earn more money.D.To balance the environmental risks with our economic needs.返 回1. vt.&vi.鼓掌鼓掌vt.称赞；赞赏称赞；赞赏2. vt.对对征税；使纳税征税；使纳税n.税；税款税；税款3. adj.有人控制的；需人操纵的有人控制的；需人操纵的4. n.潜水器；可潜船潜水器；可潜船5. adv.在水下在水下adj.水下水下的的6. n.名录；电话号码簿；

7、名录；电话号码簿；(计算机文件或程序的计算机文件或程序的)目录目录基 础 自 测自主学习 落实基础知识applaudtax重点单词mannedsubmersibleunderwaterdirectory7. adv.与此同时；与此同时；(比较两方面比较两方面)对比之下对比之下8. n.反对者；对手；竞争者反对者；对手；竞争者9. vt.把把载入正式记录；记录载入正式记录；记录n.正式记录；日志；原木正式记录；日志；原木10. n.逮捕；拘留；中止逮捕；拘留；中止vt.逮捕；拘留；阻止逮捕；拘留；阻止11. n.迁移；迁徙；移居迁移；迁徙；移居 vi.移动；移居；迁徙移动；移居；迁徙vt.使移居

8、；使移植使移居；使移植 n.(为工作为工作)移居者；移民；候鸟；迁徙动物移居者；移民；候鸟；迁徙动物meanwhileopponentlogarrestmigrationmigratemigration12. vt.开发；利用；剥削开发；利用；剥削 n.开发，开采；利用；剥削开发，开采；利用；剥削13. vt.谋杀；凶杀；毁坏谋杀；凶杀；毁坏n.谋杀；凶杀谋杀；凶杀 n.杀人犯；凶手杀人犯；凶手14. n.仁慈；宽恕；恩惠仁慈；宽恕；恩惠 adj.仁慈的；慈悲的；宽容的仁慈的；慈悲的；宽容的15. n.(usually pl.)个人财产；拥有；个人财产；拥有；控制控制 vt.控制；使掌握；持有

9、；迷住；拥有，控制；使掌握；持有；迷住；拥有，具备具备exploitexploitationmurdermurderermercymercifulpossessionpossess掌握规律巧记掌握规律巧记单词单词exploit(vt.开发；利用；剥削开发；利用；剥削)-ation(表示表示“行为，过程，结行为，过程，结果果”)exploitation n.开发，开采；利用；剥削开发，开采；利用；剥削 mercy(n.仁慈；宽恕；恩惠仁慈；宽恕；恩惠)-ful(表示表示“充满充满的的”)merciful adj.仁慈的；慈悲的；宽容的仁慈的；慈悲的；宽容的1. 记者招待会记者招待会；新闻发布会；

10、新闻发布会2. 涌进涌进3. 消极消极的循环；负循环的循环；负循环4. 搜寻搜寻，寻找，寻找5. 残忍残忍地；毫不留情地地；毫不留情地6. 为为的所在地的所在地7. 采取行动采取行动8. 记录记录新物种新物种9. 大量大量的的10.有有更多更多选择选择press conferencespill intonegative cyclehunt forwithout mercybe home totake actionlog new speciesamounts ofhave more options for核心短语1.which引导非限制性定语从句引导非限制性定语从句Because of clim

11、ate change，there is less ice now， .由于气候变化，现在的冰越来越少，这意味着我们可以在更远的北方寻找更由于气候变化，现在的冰越来越少，这意味着我们可以在更远的北方寻找更多的化石燃料多的化石燃料。2.动名词短语作主语。动名词短语作主语。 will also help us manage its resources better.更多地了解海洋也将帮助我们更好地管理它的资源更多地了解海洋也将帮助我们更好地管理它的资源。经典句式 which means we can look for more fossil fuels further north返 回Underst

12、anding more about the seaAlthough this was banned in 1982，some countries are still “murdering” these intelligent creatures without mercy.尽管在尽管在1982年这就被禁止了，但一年这就被禁止了，但一些国家仍然毫不留情地些国家仍然毫不留情地“谋杀谋杀”这些聪明的生物。这些聪明的生物。1mercy n.仁慈；宽恕；仁慈；宽恕；恩惠恩惠show mercy to对对怜悯怜悯/宽恕宽恕have mercy on/upon对对怜悯怜悯/宽恕宽恕beg/ask for m

13、ercy乞求宽恕乞求宽恕without mercy残忍地；毫无同情残忍地；毫无同情地地互 动 探 究探究重点 互动撞击思维重点词汇at the mercy of.任由任由摆布摆布merciful adj.仁慈的；慈悲的；宽容的仁慈的；慈悲的；宽容的merciless adj.残忍的；无慈悲心残忍的；无慈悲心的的(1)The old woman showed mercy to the poor children.这位老妇人很同情这些可怜的孩子。这位老妇人很同情这些可怜的孩子。(2)In the old days，the farmers were nature.在过去，农民受大自然的摆布。在过去，

14、农民受大自然的摆布。(3)The mother left the dying baby in the hospital .那位母亲无情地把垂死的婴儿丢弃在医院那位母亲无情地把垂死的婴儿丢弃在医院。at the mercy ofwithout mercyThe sea is home to life，not human beings possessions.海洋是生命的家园，而不是人类的财产。海洋是生命的家园，而不是人类的财产。2possession n.(usually pl.)个人财产；拥有；个人财产；拥有；控制控制in possession of具有，拥有具有，拥有in the posse

15、ssion of被被拥有，归拥有，归所有所有take possession of占有，拥有占有，拥有possess v.拥有，具有；支配拥有，具有；支配be possessed of具有具有(某种品质、能力等某种品质、能力等)(1)To his sorrow，he lost all his possessions because of his failure in his business.令他悲伤的是，他因为生意上的失败而失去了所有的财产。令他悲伤的是，他因为生意上的失败而失去了所有的财产。(2)We cant this house until the owner comes back.直到

16、主人回来，我们才能拥有这所房子。直到主人回来，我们才能拥有这所房子。(3)The young man is (possess) of great self-confidence.这个年轻人很自信。这个年轻人很自信。take possession ofpossessed一句多译一句多译(4)据说一个年轻人拥有这座大楼。据说一个年轻人拥有这座大楼。It is said that a young man .(possess v.)It is said that a young man is .(possession n.)It is said that this building is .(poss

17、ession n.)possesses this buildingin possession of this buildingin the possession of a young manA $5 million reward has been announced for information leading to the arrest of those responsible for the murder.已宣布悬赏已宣布悬赏500万美元以获取缉拿万美元以获取缉拿谋杀犯的线索。谋杀犯的线索。3arrest n.逮捕；拘留；中止逮捕；拘留；中止 vt.逮捕；拘留；阻止；吸引逮捕；拘留；阻止

18、；吸引(注意力注意力)arrest ones attention引起某人的注意引起某人的注意arrest sb. for.因因而逮捕某人而逮捕某人get arrested遭逮捕遭逮捕under arrest被捕被捕make an arrest进行拘捕进行拘捕(1)He was walking in the street when a bird arrested his attention.他正在街上他正在街上走着，这时一只鸟吸引了他的注意力。走着，这时一只鸟吸引了他的注意力。(2)The young man having stolen his neighbors computers.这个年轻人

19、因为偷邻居的电脑而被逮捕了。这个年轻人因为偷邻居的电脑而被逮捕了。(3)During the strike，a great many young people .在罢工期间，很多年轻人被逮捕了。在罢工期间，很多年轻人被逮捕了。(4)The police during the football match.警方在足球赛期间逮捕了一些人。警方在足球赛期间逮捕了一些人。was arrested forgot arrestedmade several arrestsBecause of climate change，there is less ice now，which means we can lo

20、ok for more fossil fuels further north.由于由于气候变化，现在的冰越来越少，气候变化，现在的冰越来越少，这意味着我们可以在更远的北方寻找更多的化石燃料。这意味着我们可以在更远的北方寻找更多的化石燃料。经典句式which引导非限制性定语从句，引导非限制性定语从句，which在定语从句中充当主语在定语从句中充当主语。1(1)Now Irene Astbury works from 9 am to 5 pm daily at the pet shop in Macclesfield，which she opened with her late husband L

21、es.(2019全国全国)如今，艾琳如今，艾琳阿斯特伯里每天早上阿斯特伯里每天早上9点到下午点到下午5点在马格斯菲尔德的宠物店工作，点在马格斯菲尔德的宠物店工作，这家宠物店是她和她已故的丈夫莱斯创办的。这家宠物店是她和她已故的丈夫莱斯创办的。(2)The construction of the Great Wall was not that easy， drew heavily on the local resources for building materials.长城的建造并不是那么容易，它严重依赖当地的建筑材料资源。长城的建造并不是那么容易，它严重依赖当地的建筑材料资源。(3)We h

22、ave launched another man-made satellite， is announced in todays newspaper.我们已经发射了另一颗人造卫星，这个消息在今天的报纸上公布了。我们已经发射了另一颗人造卫星，这个消息在今天的报纸上公布了。whichwhich名师指津名师指津非限制性定语从句既可修饰主句的一部分，也可以修饰整个主非限制性定语从句既可修饰主句的一部分，也可以修饰整个主句。其引导词的选择和限制性定语从句的判断规则一致，即：第一，找准先句。其引导词的选择和限制性定语从句的判断规则一致，即：第一，找准先行词；第二，看先行词在定语从句中所作的成分。需要注意的是

23、，行词；第二，看先行词在定语从句中所作的成分。需要注意的是，that不能不能引导非限制性定语从句。引导非限制性定语从句。Understanding more about the sea will also help us manage its resources better.更多更多地了解海洋也将帮助我们更好地管理它的资源。地了解海洋也将帮助我们更好地管理它的资源。Understanding more about the sea是动名词短语作主语。动名词是动名词短语作主语。动名词( (短语短语) )作主作主语往往表示经常性、习惯性的动作，谓语动词通常用单数形式语往往表示经常性、习惯性的动作，

24、谓语动词通常用单数形式。(1)Climbing up the mountain will make you exhausted.爬上这座山会使你筋疲力尽。爬上这座山会使你筋疲力尽。(2) will do you a lot of good.早晨朗读英文会给你带来许多好处早晨朗读英文会给你带来许多好处。2Reading English aloud in the morning名师指津名师指津动名词动名词(短语短语)作主语和不定式作主语一样，也可以用作主语和不定式作主语一样，也可以用it作形式主语，多见于作形式主语，多见于某些形容词及名词之后。常见的能用于这种结构的形容词和名词有：某些形容词及名词

25、之后。常见的能用于这种结构的形容词和名词有：good，no good，no use，useless，senseless等。注意：等。注意：important，essential，necessary 等形容词不能用于上述结构。等形容词不能用于上述结构。当动名词有自己的逻辑主语时，常可以在前面加上一个名词或代词的所有当动名词有自己的逻辑主语时，常可以在前面加上一个名词或代词的所有格，构成动名词的复合结构格，构成动名词的复合结构(这时，名词或代词的所有格作动名词的逻辑主这时，名词或代词的所有格作动名词的逻辑主语语)。动名词的复合结构也可以在句中作主语。动名词的复合结构也可以在句中作主语。(3)It

26、is no use him not to worry.告诉他不要担心是没有用的。告诉他不要担心是没有用的。(4) was a great encouragement to us.他们来帮忙对我们是一个很大的鼓励。他们来帮忙对我们是一个很大的鼓励。tellingTheir coming to help返 回.单句语法填空单句语法填空达 标 检 测当堂检测 基础达标演练1.Im not going to put myself the mercy of the bank.2.Not (know) what to do，he turned to his teacher.3.The old man lo

27、st all his (possess) in the big fire.4.By boat is the only way to get here， is how we arrived.5.John Sauven holds that (exploit) of wildernesses is harmful.6.It is said that several singers (arrest) for taking drugs last year.atknowingpossessionswhichexploitationwere arrested.完成句子完成句子7.He got down o

28、n his knees and .他跪下来乞求宽恕。他跪下来乞求宽恕。8. is an interesting and rewarding experience.沿着丝绸之路旅行是一次有趣且有益的经历。沿着丝绸之路旅行是一次有趣且有益的经历。9.She and her family bicycle to work， .她和家人骑自行车去上班，这有助于她们保持健康她和家人骑自行车去上班，这有助于她们保持健康。10.The police found the abandoned car at the shore and at last .警察在海边找到了那辆已经被抛弃的汽车。最后，他们逮捕了司机警察

29、在海边找到了那辆已经被抛弃的汽车。最后，他们逮捕了司机。begged/asked for mercyTravelling along the Silk Roadwhich helps them keep fitthey arrestedthe driver.选词选词填空填空下面下面的短文是的短文是P32的课文改写，请从下表中选择合适的词汇并用其适的课文改写，请从下表中选择合适的词汇并用其适当的形式完成此文当的形式完成此文。resource，possess，log，opponent，gallon，without mercy， exploit，mine，ban， be home toWhen pe

30、ople talk of exploring the sea more，they usually mean 11. it.Sea exploration has caused many problems and will continue to cause more.More exploration means more pollution.The Deepwater Horizon spilled over 200 million 12. of oil into the sea in 2010.13. for resources is very damaging.Overfishing is

31、 another problem.Although hunting whales and dolphins 14. in 1982，some countries are still “murdering” these intelligent creatures 15. .exploitinggallonsMiningwas bannedwithout mercyThe sea 16. life，not human beings 17. .To truly understand our planet，we must explore the oceans.18. may be concerned，

32、but sea exploration is important for our future.Therefore，more research is necessary.Understanding more about the sea will also help us manage its resources better.19. new species will improve our understanding of life on the earth.The population of the world is growing and we need new 20. for future development.Of course，we should balance environmental risks with economic needs.返 回is home topossessionsOpponentsLoggingresources本课结束