Unit 3 Sea Exploration Reading and Thinkingppt课件 -（2022新）人教版高中英语选择性必修第四册 .pptx

1、人与自然 The immense ocean is the cradle of life. immense adj. 极大的，巨大的；非常好，极好；无边无际的cradle n. 摇篮；吊架，吊篮；发源地；（电话的）听筒架； 摇篮Maritime Silk Road 海上丝绸之路What can you see from the video? As an ancient trade route, the Maritime Silk Road greatly promoted the economic and cultural exchanges between China and foreign

2、 countries in ancient times. Today, it still plays an extremely important role.Do you know more about the marine trade?熟悉生词请预读下列课文原句，并猜测句中加颜色词汇的意思。请预读下列课文原句，并猜测句中加颜色词汇的意思。 Marco Polos tales inspired European explorers to search for sea routes from west to east. _故事；叙述However，merchants and explorers

3、from the East set sail from east to west many years before Columbus first did._;_起航 A trading route across the sea was also extended along the coasts of the Indian Ocean，centred around Ceylon(now Sri Lanka). _ Here，merchants from China and many other places met to negotiate trade deals，which also le

4、d to more awareness of each others cultures. _使伸长使伸长商定；达成商定；达成(协议协议) Between 1405 and 1433, seven large fleets sailed west on voyages of trade and exploration._ These fleets were a sight to behold and were in a league of their own at that time._；_ African royal families sent gifts such as giraffes a

5、s gestures of friendship in return for gold,silk,and spices._；_舰队；车队看；看见独领风骚皇家的；王室的（调味）香料 Although China withdrew from further expeditions after 1433，these land and sea routes remained active channels between other cultures for centuries. _； _ The ancient sea routes travelled by Zheng He are being r

6、evisited with the 21st Century Maritime Silk Road,which is part of the Belt and Road Initiative._； _ 撤离撤离航道航道海的；海运的措施，倡议 The aim of this initiative is to encourage cooperation and trade across the historic Silk Road areas，and strengthen t h e b o n d s b e t w e e n C h i n a a n d t h e r e s t o f

7、 t h e world._ Hundreds of years on. and with the latest technology in hand，the need to trade and the desire t o enhance relationships will drive China to reach out across the sea far into the future._纽带；关系纽带；关系在手头；可供使用快速阅读 A.The stories of sailors. B.Ocean exploration of China. C.The change of the

8、ocean transport. D.Ocean exploration changed human history.2.Read the passage and match the main idea of each paragraph.Para.1A.The future of China to reach out across the sea.Para.2 B.The meaning of trade and curiosity.Para.3 C.The ancient Silk Road.Para.4 D.The Ming Dynastys relations with some re

9、gions.Para.5 E.The ancient sea routes revisited.Para.6 F.The aim of the Belt and Road Initiative.Para.7 G.The other Chinese important projects.仔细阅读Read the passage carefully and choose the best answer. What is the meaning of reaching out across the sea? A.Trade. B.Cooperation. C.Culture exchange. D.

10、Above all. What type essay is this text? A.A narrative(叙事性的叙事性的) essay. B.A descriptive(描述性的描述性的) essay. C.An expository(说明性的说明性的) essay. D.An argumentative(议论性的议论性的) essay.重要词语和句型 跨越海洋 伸出;提供援助 构成的基础 激励某人做某事 寻找 起航;开航 reaching out across the see reach out form the foundation of inspire sb. to do sth

11、search for set sail 在古代 作为变得出名 以为中心 促成对的更多了解 发展与的关系 独领风骚 in ancient times become known as (be)centred around lead to more awareness of develop relations with in a league of ones own 在的指挥下 作为的报答/交换 退出;撤回 “一带一路”倡议 加强与之间的联系 剩余的，其他的 under the command of in return for withdraw from the Belt and Road Init

12、iative strengthen the bonds between. and the rest of 为了的利益 文化交流 观点，立场 迫切需要 for the benefit of cultural exchange point of view an urgent need To complete the great map of the world was a strong passion for the people of early civilisations. 该句为一个主系表结构的简单句。该句为一个主系表结构的简单句。To complete the great map of t

13、he world为为 作主作主语。语。动词不定式短语动词不定式短语完成这幅伟大的世界地图对早期文明的人们来说是一种强烈完成这幅伟大的世界地图对早期文明的人们来说是一种强烈的激情。的激情。 不定式(短语)作主语，通常位于句首，谓语动词用单数形式。但是为了保持句子结构的协调性，不定式作主语大部分情况下都是用it作形式主语，而把真正的主语动词不定式(短语)置于句末。 In ancient times，silk from China found its way overland to India，the Middle East，and Rome，along what became known as t

14、he Silk Road. 该句为复合句。主干部分是该句为复合句。主干部分是silk from China found its way为为主谓宾结构。主谓宾结构。what became known as the Silk Road为为 从句从句，作介词，作介词along的的 。在在古代，来自中国的丝绸沿着后来被称为古代，来自中国的丝绸沿着后来被称为“丝绸之路丝绸之路”的路的路线，经由陆路传到印度、中东和罗马。线，经由陆路传到印度、中东和罗马。 表示表示“的时间的时间”，相当于，相当于the time that.。 表示表示“的人的人”，相当于，相当于the person that.。 表示表示

15、“的地方的地方”，相当于，相当于the place that.。 表示表示“的数目的数目”，相当于，相当于the amount/number that.。 In 1492，Columbus reached what is now called America. 1492年哥伦布到达了现在所称的美洲大陆。年哥伦布到达了现在所称的美洲大陆。 China has invested billions in systems and services along these routes，which will help to greatly develop the whole area for the b

16、enefit of future trade and cultural exchange. 此句是复合句此句是复合句， 引导引导一个非限制性定语从句，修一个非限制性定语从句，修饰前面整个句子。饰前面整个句子。定语中国中国已经在这些路线沿线的系统和服务上投资了数十亿美元，已经在这些路线沿线的系统和服务上投资了数十亿美元，这将有助于整个地区的极大发展，有利于未来的贸易和文化这将有助于整个地区的极大发展，有利于未来的贸易和文化交流。交流。 From a scientific point of view, there is an urgent need to study the arctic in o

17、rder to understand the climate change and its effects. 从科学角度看，迫切需要研究北极，以了解气候变化及其影响。There is a need to do sth. 有必要做There is no need to do sth.没必要做There is no point doing sth. 做是没有意义的读后语法填空 Trade and curiosity have often formed the foundation of mankinds greatest achievements.1.(merchant) and explorer

18、s from the East set sail from east to west many years before Columbus first did. In ancient times，silk from China found its way along 2. became known as the Silk Road，3.(extend) along the coasts of the Indian Ocean，centred around Ceylon.Here，merchants from China and many other places met to negotiat

19、e trade deals，4. also led to more awareness of each others cultures. _ whatextending Later，the Ming Dynasty sent seven large 5.(fleet) to sail west on voyages of trade and exploration.6. the command of Zheng He，they set sail from the South China Sea across the Indian Ocean to the mouth of the Red Se

20、a，and then to the east coast of Africa.Although China 7._(withdraw) from further expeditions after 1433，these land and sea routes remained active channels between other cultures for centuries. To reach out across the sea 8. (remain)a strong desire today.The aim of the Belt and Road Initiative is to

21、encourage cooperation and trade across the historic Silk Road areas，and 9. (strength) the bonds between China and the rest of the world.China has invested billions in systems and services along these routes.China has also joined its friends across the sea on other important projects.The need to trade and the desire to enhance relationships will drive China 10. _(reach) out across the sea far into the future.THANKS