高中英语 选必B4U5-Developing ideas B4U5-Developing ideas 课件

1、教学教材：外研版高中英语新教材选择性必修4教学内容：Unit 5 Into the unknown第五课时：Developing ideas: Reading Diving Deep执教人：程文欣/北京师范大学南山附属学校Feb. 24th, 2022Unit 5 Developing ideas:ReadingDiving DeepInto the unknown理解探索未知话题理解和思考探究探索未知话题表达:探索未知话题starting out 第1课时Using language 第3课时Listening: The mystery of human brain第4课时Understan

2、ding ideasThe Mysteries of the Maya第2课时Developing ideas: ReadingDiving Deep第5课时Writing :The unexplained第6课时Presenting ideas第7课时单元大观念:理解表达探索未知话题，培养学生科学求真的精神，引导学生积极探索未知，加深其对人类命运共同体的认识。Learning objectives1.You can read and understand the pasages about the topic of ocean exploration, and express about t

3、he topic.You can grasp the words and sentence patterns about the topic. (language competence)2. You can master the reading skills of skimming, scanning and intensive reading to find the structure, the details and the writing technique of the reading passage.(learning ability)3. You can think about o

4、cean exploration in a multi-angle and logical way and develop the pioneering attitude towards the unknown.(thinking quality)4. You can bulid up confidence and pride in China by learning Chinas exploration into the deep blue. Also,you can deepen the understanding of a Community with A Shared Future f

5、or Mankind.(cultural consciousness)Lead-inWatch a video clip of Blue Planet II and think about the ocean exploration you know. Before readingLook at the picture and answer the questions. Do further research if necessary.What different zones are there in the ocean?Which parts of the ocean do you thin

6、k have been explored?What do you know about the deepest part of the ocean?The different zones in the ocean are Sunlight Zone, Twilight Zone, Midnight Zone and Abyssal Zone.While reading1.Learn the structure of the passageRead the passage again more carefully and finish task 2.Task2Think about the st

7、ructure of the passage and complete the diagram.deep seaArchaeologicalshallow watersvast depthsthe ruins of NepolisBiologicalthe planets fishthe capacity for life on our planetbone-white coralthe barreleyelife to be found even around the deep-sea volcanic openingsthe sea beddeep-sea drilling“fire ic

8、e”Chinas underwater vessels2Learn the details of the passageComplete the diagramP58 3While reading3.Learn the writing technique of the passageStatistics&examplesThe discourse markersStatisticswhole city buried beneath the wavesRoman city of Neapolislocation:_time: _cause:_off the coast of Tunisiatsu

9、namithe 4th centuryExamples in para.2Examplessurface200 metresdark zone6000 metres deep8000 metresName:_Age: _Name:_Features: _barreleyetransparent headEyes can look upwardslife to be found even around the deep sea vocalnic openings bone-white coral4000 years oldExamples in para.3Chinas achievements

10、:New natural resource: _Underwater vessels: _Examples in para.4fire iceJiaolong & Shenhai YongshiQ: Why do you think the author uses statistics and examples in the passage?A: The use of statistics and examples make the passage more convincing.The use of statistics makes the passage more convincing.h

11、e use of statistics makes the passage more convincing.The use of statistics makes the passage more convincing.Why do you think the author uses thediscourse markers in the passage?Learning to learn:As you read, notice the discourse markers used in the text, eg in addition, also, however, futhermore,

12、as well as. These markers function like road signs, helping you connect ideas and understand the writers attitude and opinions.While reading4.Learn the language points of the passage1. 起航2. 继续做某事3. 提供了解的窗口4. 距离海岸不远的地方5. 科幻小说6. 以的速度7. 超出的能力之外8. 对熟悉set sailcontinue to do sth.offer a window into.off th

13、e coast ofscience fictionat the rate ofbeyond the reach of.be familiar toPhrasesSentences完全倒装:为了保持句子平衡或强调表语部分等1.Lying under waters across the globe are an estimated three million shipwrecks.据估计，全球海底有300万艘沉船。完全倒装：V-ing+be动词+主语站在桌旁的是他的妻子。Standing beside the table was his wife.Sentences完全倒装:为了保持句子平衡或强调

14、表语部分等2.In these waters, more than 200 metres deep, where light cannot reach, are extraordinary creatures that appear as if they are straight out of science fiction.在200多米以下、阳光照不到的深水水域里，住着一些看起来就像是刚从科幻小说中走出来的奇异的生物。完全倒装：介词短语+be动词 +主语该句中还包含一个where非限制性定语从句，修饰先行词waters以及that引导的限制性定语从句，修饰先行词creaturesSenten

15、ces完全倒装总结为了保持句子平衡或强调表语部分等， 将作表语的形容词、V-ing、V-ed、介词短语、such置于句首，用完全倒装，其形式为：形容词/V-ing/V-ed/介词短语/such+be+主语。Sentences3. Given our limited knowledge, it is perhaps no surprise that exploration of the oceans continues to lead to discoveries in various scientific fields.由于我们的知识有限，对海洋的探索继续导致各种科学领域的发现，这也许不足为奇

16、。思考：Given是什么意思？本句中的Given表示“考虑到，鉴于”的意思。句子的主语是什么？it 为形式主语，真正的主语为that exploration of the oceans continues to lead to discoveries in various scientific fields。为了避免句子头重脚轻，故用it作形式主语。 eg：这么小的孩子独自完成这项任务是困难的。他是否会来还不清楚。It is difficult for such a little child to finish the task alone. It is not clear whether h

17、e will come or not.Sentences4.Being a tough environment of complete darkness, enormous pressure and intense cold, the ocean depths have long been beyond the reach of human exploration.Being a tough environment of complete darkness现在分词短语置于句首作状语，表示ocean depths的状态5.The research conducted by these vesse

18、ls is giving scientists a greater understanding of how the sea bed was formed,as well as helping identify areas for deep-sea drilling,taking deep-sea exploration into a whole new era.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，同时也有助于确定深海钻探（drilling），将深海勘探带入一个全新的时代。过去分词短语conducted by these vessels作后置定语，修饰the resear

19、ch。Tell the children _(play) outside not to make too much noise.She would have worn these in the form of a chatelaine-a series of small purses _ (attach) to the waist.playingattached 6. Today, some 500 years after the Esmeralda set sail, there is little- if any -land on our planet left unexplored.如今

20、，距离埃斯梅拉达号起航已有500多年，我们星球上尚未被人类探索的土地-如果有的话-已经少之又少了。在if 引导的条件状语从句中，有时可以省略从句的主谓语it is/was，有时可省略从句中的there be或省略从句中与主句相同的部分，在这类省略结构中有的已构成固定结构。如果有的话 if+so/not: if so 如果这样；if not 不然 if+形容词：if necessary 如果有必要； if possible 如果有可能 if+代词：if any 如果有的话；即使有也不 (主句为否定意义) if ever: 如果曾经；即使也不(与表示否定 意义的词语连用）这类结构常见的有: Do

21、you want that cake? If not, Ill have it. 你要那块蛋糕吗？不然我就要了。 If necessary, Ill come tomorrow.如果有必要，我明天就来。 Correct the errors, if any (=if there are any errors).如有错误就改正。 What common message do the two reading passages in this unit convey? How do they each build upon this idea?After readingDeep thinkingPo

22、ssible answers:Both passages convey the message that humans have the desire and means to explore the unknown.The first passage does this by looking at our fascination with historys greatest mysteries, while the second passage looks at pioneering exploration of Earths oceans.After readingSituation: Suppose you are a staff m