Unit5Developingideas课件- 高中英语外研版（2019）选择性必修第四册.pptx

《Unit5Developingideas课件- 高中英语外研版（2019）选择性必修第四册.pptx》由会员分享，可在线阅读，更多相关《Unit5Developingideas课件- 高中英语外研版（2019）选择性必修第四册.pptx（17页珍藏版）》请在淘文阁 - 分享文档赚钱的网站上搜索。

1、Unit 5 developing ideasDiving deepTeaching aims:1. Enable to understand the passage on the whole by finishing the exercise2. Accumulate some phrases and usages in the passage by reciting and applying.Activity 1:work in groups. look at the picture and answer the questions. Do further research if nece

2、ssary.The different zones in the ocean are Sunlight Zone (阳光地带),Twilight zone(深海朦胧地带),Midnight Zone(午夜区) and Abyssal Zone(深海带).1.What caused the ancient Roman city of Neapolis to be buried underwater?A. A tsunami B. The earthquake ruins. C. Extreme cold climate D. The war2. Why is the barreleye stra

3、nge?A.It grows very fast. B. Its forehead is transparent.C. It lives in the deepest ditch. D. It comes out of science fiction.3. What can we know about Chinas Shenhai Yongshi?A. Its a new underwater ship for us. B. It has explored waters thousands of metres deep.C. It has identified areas for deep-s

4、ea drilling. D. It holds the record for the deepest manned submarine dive.4. It can be inferred from the last paragraph that_.A. the depths of the ocean are within the range of humanNexploration.B. it is better for a country to explore the ocean aloneC. man has become familiar with the underwater wo

5、rldD. ocean exploration requires international cooperationdeep seaArchaeologicalshallow watersvast depthsthe ruins of NeapolisBiologicalthe planets fishthe capacity for life on our planetbone-white coralthe barreleyelife to be found even around the deep-sea volcanic openingsthe sea beddeep-sea drill

6、ing“fire ice”Chinas underwater vessels1.1.起航起航2.2.如果有的话如果有的话3.3.考虑到我们有限的知识考虑到我们有限的知识4.4.提供了解提供了解.的窗口的窗口5.5.多达百分之九十多达百分之九十6.6.科幻小说科幻小说7.7.以以.的速度的速度8.8.此外，而且此外，而且=whats more/more over/besides=whats more/more over/besides9.9.除此之外，此外除此之外，此外10.10.保持保持.的记录的记录break the recordbreak the record打破纪律打破纪律/set /s

7、et a new record a new record 创造新纪律创造新纪律11.11.压力巨大且极度寒冷压力巨大且极度寒冷12.12.够不到够不到 within ones/arms reach within ones/arms reach在触手可在触手可及的地方及的地方13.13.开发开发14.14.被某人熟悉被某人熟悉 be familiar with. be familiar with. 熟悉熟悉.15.15.等于，相当于等于，相当于 to to 是介词是介词16.16.载人潜艇载人潜艇1.set sail 2.if any3.given our limited knowledge4.

8、offer a window into5.up to 90 per cent6.science fiction 7.at the rate/speed of8.furthermore9.in addition 10.hold the record for11.enormous pressure and intense cold12.beyond the reach of.13.open up14.be familiar to15.be equivalent to16.manned submarine短语填空set sail ；offer a window into； be equivalent

9、 to；beyond the reach of；hold a record； final frontier1. I was like a stubborn old sailor, and then_to the unknown sea.2. These sketches_an ongoing design process.3. And since time is quantifed in hours, the value of our lives_the sum of every hour we spend.4. Ministers say that they do not want to c

10、reate a single government-owned database and only intend to ask CSPs to _of a contact, rather than the actual contents of what is said.5. The worlds of science and technology-so important for our lives today- remain_numerous people.6. Apparently, for billionaire adventurer Richard Branson,mysterious

11、 space is no longer the_.1.set sail 2.offer a window into 3.is equivalent to 4.hold a record 5.beyond the reach of 6.final frontierStep 3 Sentences translation and analysis 1.lying under waters across the globe are an estimated three million shipwrecks.2.Furthermore,the oceans are a valuable source

12、of natural resources,some of which are completely new to us.3.Given our limited knowledge, it is perhaps no surprise that exploration of the oceans continues to lead to discoveries in various scientific fields.4.In these waters, more than 200 meters deep,where light cannot reach, are extraordinary c

13、reatures that appear as if they are straight out of science fiction.5.The Jiaolong even holds the record for the deepest dive by a manned submarine, at 7,062metres, giving China its place alongside the worlds top ocean explorers.6.The research conducted by these vessels is giving scientists a greate

14、r 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.1.lying under waters across the globe are an estimated three million shipwrecks.全部倒装：分词全部倒装：分词+be+主语主语有时为了强调，可将谓语部分的现在分词和过去分词置于句首，从而构有时为了强调，可将谓语部分的现在

15、分词和过去分词置于句首，从而构成倒装。成倒装。站在桌旁的是他的妻子。站在桌旁的是他的妻子。Standing beside the table was his wife.埋在沙子下的是一个古老的村庄。埋在沙子下的是一个古老的村庄。Buried in the sand was an ancient village.2.Furthermore,the oceans are a valuable source of matural resources,some of which are completely new to us. 介词后只能用介词后只能用which 和和whom,先行词是人，用先行词是

16、人，用whom，先行词是物用，先行词是物用which；如果是；如果是them，逗号后要有连词，逗号后要有连词and。He is a person from _I learned alot.从他的身上，我学到了很多。从他的身上，我学到了很多。whom3. Given our limited knowledge, it is perhaps no surprise that exploration of the oceans continues to lead to discoveries in various scientific fields.思考：思考：Given是什么意思？句子的主语是什么

17、？是什么意思？句子的主语是什么？本句中的本句中的Given表示表示“考虑到，鉴于考虑到，鉴于”的意思。的意思。it 为形式主语，真正的主语为为形式主语，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。为了避免句子头重脚轻，故用it作形式主语。作形式主语。 这么小的孩子独自完成这项任务是困难的。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。他是否会来还不清楚。It is difficult for such

18、a little child to finish the task alone. It is not clear whether he will come or not.4.In these waters, more than 200 meters deep,where light cannot reach, are extraordinary creatures that appear as if they are straight out of science fiction.思考：思考：where ，that和和as if 分别引导了什么从句？分别引导了什么从句？本句为一个复合句，其中包

19、含了两个定语从句，分别是本句为一个复合句，其中包含了两个定语从句，分别是:非限制性定语从句非限制性定语从句where light cannot reach,修饰先行词修饰先行词waters;限制性定语从句限制性定语从句that appear as if they are straightout of science fiction,修饰先行词修饰先行词creatures, as if 引导了表语从引导了表语从句。句。5. The Jiaolong even holds the record for the deepest dive by a manned submarine, at 7,062

20、metres, giving China its place alongside the worlds top ocean explorers.本句中holds the record表示“保持纪录”。句中alongside 是介词，表示“.同等重要”。例如: When he dies he will take his place Dickens as one of the truly greatwriters of his time. (他死后会成为他那个时代真正的伟大作家之一，与狄更斯齐名。)6.The research conducted by these vessels is givin

21、g 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.过去分词短语conducted by these vessels作后置定语，修饰the research。Tell the children _(play) outside not to make too much noise.She would have

22、 worn these in the form of a chatelaine-a series of small purses _ (attach) to the waist.playingattached 语言运用1.树下坐着一个迷人的女孩，大约十七八岁。Sitting under the trees was a charming girl, aged about seventeen or eighteen.2.因为害怕老虎，这个女孩不敢一个人睡觉。Frightened by the tiger, the little girl didnt dare to sleep alone.3.据报

23、道，这位教授已经成功地进行了这项实验，而且没有花很多钱。It is reported that the professor has already succeeded in carrying out this experiment without great expense.4.以如此速度捕杀动物，它们很快就会消失。These animals are being hunted at such a speed, that they will disappear soon.5.除购物外，他还帮忙打扫房间。In addition to shopping, he helped to clean the

24、 room.6.在房子前面玩耍的是汤姆和他的新朋友约翰。Playing in front of the house are Tom and his new friend John.7.据报道，在一些西方国家，76%的员工在工作中使用表情符号。Its been reported that /It is reported that 76 percent of employees in some western countries are using emojis at work.Lying under waters across the globe are an estimated three m

25、illion shipwrecks. All of them represent attempts over the centuries 1_( explore ) Earths furthest corners. Given our limited knowledge, it is perhaps no surprise that exploration of the oceans continues to lead to discoveries in various 2_(science ) fields.Many archaeological finds 3_( make) in sha

26、llow waters near the coast. Amazing biological discoveries are also being made. These discoveries all help us understand capacity for life on our planet, even in the most extreme circumstances.Furthermore, the oceans are a valuable source ofnatural resources , some of 5 are completely new to us. The

27、 research 6_( conduct ) by underwater vessels is giving scientists a greater understanding of how the sea bed was formed, as well as helping identify areas for deep-sea drilling, 7_( take ) deep-sea exploration into a whole new era.Being a tough environment of complete 8_( dark ),enormous pressure a

28、nd intense cold, the ocean depths have long been beyond the reach of human exploration. Humankind 9_( enter) a new age of oceanic discovery now,and the world beneath the waves may one day be almost as familiar 10_us as the land we walk upon today.1.to explore 2.scientific 3.are made 4.the 5.which 6.conducted 7.taking 8.darkness 9.is entering 10.to