(2021新外研版)高中英语选择性必修四 Unit 5 Period Three Using language & Developing ideas ppt课件.pptx

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1、Unit 5 Into the unknown Period ThreeUsing language & Developing ideas 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 the general idea of the passage. 语 篇 理 解精读演练 萃取文本精华 1.Whats the main idea of the passage? A.There are millions of shipw

2、recks lying under waters. B.Humans exploration deep into the sea. C.The tough environment of the sea bed. D.Some new discoveries made by the scientists in the deep sea. 2.Read the passage and match the main idea of each paragraph. Para.1 A.We are entering a new age of oceanic discovery. Para.2 B.We

3、have little knowledge of Earths sea bed. Para.3 C.Many archaeological finds are made in shallow waters. Para.4 D.There are extraordinary creatures in the deep sea. Para.5 E.The oceans are a valuable source of natral resources. .Read the passage carefully and choose the best answer. 1.What challenges

4、 must scientists overcome if they dive deep into the sea? A.The high pressure of the water. B.The darkness under the water. C.The extreme cold under the sea. D.All the above. 2.What possibly caused the city of Nepolis to be buried underwater? A.A tsunami. B.An earthquake. C.A serious flood. D.A volc

5、ano eruption. 3.What cant we see in the waters more than 200 metres deep? A.Strange creatures. B.Corals. C.Light. D.The barreleyes. 4.Which of the following is TRUE according to the passage? A.We have known more about the earth than the moon. B.Even a whole city may be buried under the waters. C.Mos

6、t of the fishes live in shallow waters. D.Humans have reached the deepest area of the ocean in a submarine(潜艇潜艇). 返 回 1. n.逃跑,逃走逃跑,逃走 2. v.后退;离开;退避后退;离开;退避 3. v.克制,抑制克制,抑制(情绪情绪) 4. adj.地图上没有标明的地图上没有标明的 5. v.探索,探究探索,探究 6. v.退缩,畏缩退缩,畏缩 7. adj.考古学的;考古的考古学的;考古的 8. n.珊瑚珊瑚 9. n.毫米毫米 基 础 自 测自主学习 落实基础知识 重点单

7、词 getaway retreat subdue uncharted delve shrink archaeological coral millimetre 10. adv.向上,朝上向上,朝上 11. n.海沟海沟 12. adj.等同的;等值的;相当的等同的;等值的;相当的 13. v.(使使)整齐地堆起;摞起整齐地堆起;摞起 14. adv.此外;而且;不仅如此此外;而且;不仅如此 15. adj.显要的;显著的;值得注意的显要的;显著的;值得注意的 16. n.物质物质 17. n.船;舰船;舰 upwards trench equivalent stack furthermore

8、notable substance vessel 18. n.调查调查 v.调查;研究;审查调查;研究;审查 19. n.钻探;勘探钻探;勘探 v.钻孔;打眼;操练钻孔;打眼;操练 investigation investigate drilling drill 掌握规律巧记掌握规律巧记单词单词 investigate v.调查;研究;审查调查;研究;审查tioninvestigation n.调查调查 例如:例如:prediction n.预言;预测预言;预测correction n.更正更正devotion n.奉献奉献 operation n.操作;手术操作;手术 drill v.钻孔;

9、打眼;操练钻孔;打眼;操练ingdrilling n.钻探;勘探钻探;勘探 例如:例如:shopping n.购物购物engineering n.工程学工程学 ending n.结局结局beginning n.开端;开始开端;开始 核心短语 1. 逃跑逃跑,逃走,逃走 2. 逃命逃命 3. 调查调查,检查,检查 4. 试试水,试探水,试探 5. 避开避开;从;从处脱身处脱身 6. 动身动身踏上踏上(漫长的漫长的)旅途旅途 7. 积极积极投入到投入到中去中去 8. 再三再三考虑,慎重考虑考虑,慎重考虑 9. 避免避免做,不愿做做,不愿做 10. 调查调查(问题问题) make a getaway

10、 run for ones life check out test the waters steer clear of set out throw oneself into think twice shrink from look into 经典句式 1.分词位于句首的完全倒装句分词位于句首的完全倒装句 an estimated three million shipwrecks. 据估计,全世界的海底有据估计,全世界的海底有300万艘沉船。万艘沉船。 2.if省略结构省略结构 Today,some 500 years after the Esmeralda set sail,there is

11、little land on our planet left unexplored. 今天,在今天,在“埃斯梅拉达埃斯梅拉达”号起航约号起航约500年后,我们的星球上几乎没有未被探索年后,我们的星球上几乎没有未被探索 过的陆地。过的陆地。 Lying under waters across the globe are if any 3.过去分词短语作定语;现在分词短语作结果状语过去分词短语作定语;现在分词短语作结果状语 The research is giving scientists a greater understanding of how the sea bed was formed,

12、as well as helping identify areas for deep-sea drilling, . 这些船只进行的研究使科学家们对海床的形成有了更深入的了解,并帮助确这些船只进行的研究使科学家们对海床的形成有了更深入的了解,并帮助确 定了深海钻探的区域,使深海勘探进入了一个全新的时代。定了深海钻探的区域,使深海勘探进入了一个全新的时代。 4.as.as.和和一样一样 .and the world beneath the waves may one day be almost _ the land we walk upon today. 也许有一天,我们对海底世界会像对今天所走

13、的陆地一样熟悉。也许有一天,我们对海底世界会像对今天所走的陆地一样熟悉。 conducted by these vessels taking deep-sea exploration into a whole new era as familiar to us as 返 回 So while you may be tempted to check out a strange object or to test the waters of a new situation,it can be safer to steer clear of the unfamiliar. 所以,虽然你可能会被一个陌

14、生的物体所诱惑,或者尝试一个新环境的水域,但所以,虽然你可能会被一个陌生的物体所诱惑,或者尝试一个新环境的水域,但 避开不熟悉的东西会更安全。避开不熟悉的东西会更安全。 1 check out调查;检查;结账离开;调查;检查;结账离开;(把钱等把钱等)取出取出 互 动 探 究探究重点 互动撞击思维 重点词汇 写出下列句子中写出下列句子中check out的汉语意思的汉语意思 (1)She checked out 3,000 yuan from the bank yesterday to buy a TV set. _ (2)The accountant checked out the bill

15、s and found them OK. _ (3)We loaded the car while Dad checked out at the desk. _ (把钱等把钱等)取出取出 检查,核对检查,核对 结账结账 (4)Brain needed to meet a friend named Tony before he for his flight. 布莱恩在办理登机手续前需要见一个叫托尼的朋友。布莱恩在办理登机手续前需要见一个叫托尼的朋友。 (5)I will just to see if the letter has arrived yet. 我要快速地查一下,看看那封信是否已经到了

16、。我要快速地查一下,看看那封信是否已经到了。 (6)I havent any cash on me;can I pay ? 我身上没带现金,可以用支票付款吗?我身上没带现金,可以用支票付款吗? check in(在旅馆、机场等在旅馆、机场等)登记,报到登记,报到 check up核对;检验核对;检验 pay by check用支票付款用支票付款 make/have a check (of)核对核对 checked in make/have a quick check by check In more recent times,Norwegian explorer,Roald Amundsen

17、endured one of the most hostile environments on Earth when he set out into uncharted territory to reach the South Pole.在近代,挪威探险家罗尔德在近代,挪威探险家罗尔德阿阿 蒙森为了到达南极,进入了一片未知的领域,忍受了地球上最恶劣的环境之一。蒙森为了到达南极,进入了一片未知的领域,忍受了地球上最恶劣的环境之一。 2 set out出发出发(for);着手;着手(to do);安排;安排 set about ( (doing sth. ) )开始;着手开始;着手( (做某事做某

18、事) ) set aside将将放在一边;省出或留出放在一边;省出或留出( (钱或时间钱或时间) ) set up创建;建立;开办创建;建立;开办 set down写下,记下写下,记下 set off点燃;使点燃;使爆炸;出发,动身;引起爆炸;出发,动身;引起 (1)Success is the result of devoting your time and energy to what youve set out to do. 成功是把你的时间和精力投入到你已经开始做的事情上的结果。成功是把你的时间和精力投入到你已经开始做的事情上的结果。 (2)After the earthquake,p

19、eople set about (rebuild) their homes. 地震过后,人们开始重建家园。地震过后,人们开始重建家园。 (3)She her work and began to read the new novel. 她把工作放在一边,开始看这本新小说。她把工作放在一边,开始看这本新小说。 (4)The young man distinguished himself by his own company. 这个年轻人通过创建自己的公司而出名。这个年轻人通过创建自己的公司而出名。 (5)A letter from his hometown his homesickness the

20、 other day. 不久前的一天,来自家乡的一封信引发了他的乡愁。不久前的一天,来自家乡的一封信引发了他的乡愁。 rebuilding set aside setting up set off Of course,exploration doesnt have to mean blindly throwing ourselves into the unknown,and its never wrong to think twice before taking action.当然,探索并不意味着盲目地投入到未知的世界,在采取当然,探索并不意味着盲目地投入到未知的世界,在采取 行动之前三思是没

21、有错的。行动之前三思是没有错的。 3 throw oneself into积极投入到积极投入到中去中去 throw away抛弃;扔掉抛弃;扔掉 throw off脱去脱去 throw up举起;呕吐举起;呕吐 throw out抛出;扔出去抛出;扔出去 throw oneself on扑倒在扑倒在上;完全依赖上;完全依赖 (1)So,a lot of young people throw themselves into the voluntary work in hospitals actively. 因此,很多年轻人积极投身于医院的志愿工作。因此,很多年轻人积极投身于医院的志愿工作。 (2

22、)People are recycling many things which they would have in the past. 人们正在回收利用许多他们在过去会扔掉的东西。人们正在回收利用许多他们在过去会扔掉的东西。 (3)Protect the water environment consciously;and dont peels, paper scraps,etc. 自觉保护水环境;不要乱扔果皮、纸屑等。自觉保护水环境;不要乱扔果皮、纸屑等。 (4)So many times Ive had to run off to the bathroom and . 很多次我不得不跑到厕

23、所去呕吐。很多次我不得不跑到厕所去呕吐。 thrown away throw out throw up While there is no need for us to shrink from new situations,we should always look into things first and consider our options.虽然我们没有必要在虽然我们没有必要在 新情况下退缩,但我们应该总是先把事情调查清楚,然后再考虑我们的选择。新情况下退缩,但我们应该总是先把事情调查清楚,然后再考虑我们的选择。 4 shrink v.退缩,畏缩退缩,畏缩 (shrank/shrun

24、k;shrunk/shrunken) n.收缩,皱缩,缩水,萎缩收缩,皱缩,缩水,萎缩 shrink from因害怕而避开因害怕而避开 shrink with因因收缩收缩 (1)Can you tell me whether this woolen sweater will shrink when washed? 你能告诉我这件羊毛衫洗后会缩水吗?你能告诉我这件羊毛衫洗后会缩水吗? (2)In a sense the Internet the world where we are living. 从某种意义上说,互联网已经缩小了我们生活的世界。从某种意义上说,互联网已经缩小了我们生活的世界。

25、(3)A brave fighter never danger in doing a difficult task. 一个英勇的战士在执行困难任务时决不害怕危险。一个英勇的战士在执行困难任务时决不害怕危险。 (4)The girl selling matches in the street . 街上太冷了,卖火柴的女孩把身子蜷缩起来。街上太冷了,卖火柴的女孩把身子蜷缩起来。 has shrunk shrinks from shrank with cold look into调查;审查;研究调查;审查;研究 look ahead ( (to sth. ) ) 向前看向前看( (某物某物) );为

26、将来打算;为将来打算 look down upon/on看不起,轻视看不起,轻视 look forward to盼望;期望盼望;期望 look out ( (for) )当心,注意,提防当心,注意,提防 look through快速查看;浏览快速查看;浏览 look up往上看;查阅往上看;查阅 look up to尊敬,敬仰尊敬,敬仰 (5)The police have received the complaint,and now they are looking into it. 警察已接到了举报,现在正在调查这件事。警察已接到了举报,现在正在调查这件事。 (6)Im looking f

27、orward to (hear) the good news. 我盼望着听到好消息。我盼望着听到好消息。 (7)The time has come when we should the future. 我们是时候来设想一下未来了。我们是时候来设想一下未来了。 (8)Her mother tells her not to the poor. 她妈妈告诉她不要看不起穷人。她妈妈告诉她不要看不起穷人。 (9)That we each should the old is our Chinese traditional virtue. 我们每个人都要尊重老人,这是中国的传统美德。我们每个人都要尊重老人,

28、这是中国的传统美德。 hearing look ahead to look down upon/on look up to Lying under waters across the globe are an estimated three million shipwrecks.据据估计,全世界的海底有估计,全世界的海底有300万艘沉船。万艘沉船。 1 本句是一个完全倒装句,正常语序应该是本句是一个完全倒装句,正常语序应该是An estimated three million shipwrecks are lying under waters across the globe.构成进行时态的现

29、在分词、构成进行时态的现在分词、 作表语的过去分词、形容词或副词,有时可以移到句首,对动作或状态加以作表语的过去分词、形容词或副词,有时可以移到句首,对动作或状态加以 强调。强调。 经典句式 (1)Lying on the floor was a wounded peasant boy. 躺在地板上的是一个受伤的农家男孩。躺在地板上的是一个受伤的农家男孩。 (2) was a famous scientist from Australia. 站在报告厅前面的是一位来自澳大利亚的著名科学家。站在报告厅前面的是一位来自澳大利亚的著名科学家。 (3) was a king who died more

30、 than 2,000 years ago. 埋葬在这座坟墓里的是一位埋葬在这座坟墓里的是一位2 000多年前死去的一个国王。多年前死去的一个国王。 Standing in the front of the lecture hall Buried in the tomb Today,some 500 years after the Esmeralda set sail,there is littleif anyland on our planet left unexplored.今天,在今天,在“埃斯梅拉达埃斯梅拉达”号起航约号起航约 500年后,我们的星球上几乎没有未被探索过的陆地。年后,我

31、们的星球上几乎没有未被探索过的陆地。 2 本句中本句中 if any 为一种省略形式,补充完整是为一种省略形式,补充完整是 if there is any表示表示“如果有的如果有的 话话”。常见的。常见的if条件状语从句的省略结构有:条件状语从句的省略结构有: if so如果是这样的话如果是这样的话 if not如果没有如果没有 if ever如果有过如果有过/发生过的话发生过的话 if possible如果可能的话如果可能的话 if necessary如果有必要的话如果有必要的话 (1)Please help me to correct the spelling mistakes,if an

32、y(if there are any), in my composition. 请帮我改正我作文中的拼写错误,如果有的话。请帮我改正我作文中的拼写错误,如果有的话。 (2) ,you must go back and get it. 如果是这样的话,你必须回去把它取来。如果是这样的话,你必须回去把它取来。 (3)Find a neighbor or someone else to help, . 如果可能的话,找个邻居或者其他人帮助。如果可能的话,找个邻居或者其他人帮助。 If so if possible 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.Wome

33、n have grown tired of being looked down by employers. 2.Set some time each day to write something,even if it is only five minutes. 3.I threw myself heartily my work for the rest of the school year.There is little time left. 4. (seat) at the back of the classroom are some teachers from Hongxing Middl

34、e School. on/upon aside into Seated 5.How many delegates(代表团代表团) have checked for the conference so far? I want the exact number. 6.To the disappointment of the people of the nation,the economy is _ (shrink) instead of growing. in shrinking .完成句子完成句子 7.Brian rarely, ,goes to bed before 1100 p.m. 布莱恩

35、很少在晚上布莱恩很少在晚上11点之前睡觉。点之前睡觉。 8.The early morning mist had cleared . 在我们动身前,清晨的薄雾就消散了。在我们动身前,清晨的薄雾就消散了。 9.This is a great place for camping but you have to snakes. 这是个野营的好地方,但你必须当心蛇。这是个野营的好地方,但你必须当心蛇。 10. are some exchange students from England. 站在我们前面的是一些来自英国的交换生。站在我们前面的是一些来自英国的交换生。 if ever before we

36、 set out look out for Standing in front of us 11.When youve finished with your breakfast banana,dont the peel. 当你吃完早餐的香蕉时,不要扔掉香蕉皮。当你吃完早餐的香蕉时,不要扔掉香蕉皮。 throw away .选词选词填空填空 下面的短文是下面的短文是P5657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;detail;vast;take;furthermore;despite;ex

37、ist;cooperation Although we have had more 12. maps of the universe,we still have limited knowledge of the sea bed under the 13. waters of the oceans.In reality,there 14. life in the dark zones of the oceans,15. the high pressure,darkness,and extreme cold.16. ,the oceans are a valuable source of natural 17. .With international 18. , humans are diving deeper and deeper into the oceans with the help of modern vessels,19. deep-sea exploration into a whole new era. detailed vast exists despite Furthermore resources cooperation taking 返 回 本课结束

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