Unit 3 Sea Exploration Reading and Thinking 课件-2023-2024学年高中英语人教版（2019）选择性必修第四册

2019新人教高中英语选择性必修四 Unit 3 Sea exploration Learn about sea exploration By the end of this period,you will be able to.. 1.learn about the history of China's sea exploration. 2. identify the pattern of the text and its narrative technique. 3. gain a better understanding of the significance of the Belt and Road Initiative. Teaching objectives: Look and Discuss 1.What do think of when seeing the photo? She is diving in the sea,seemingly in harmony with the surrounding tropical fishes. 2.Do you know any sea animals? I know some well-known mammals that live in oceans including whales,seals, dolphins and polar bears. 六 SEA EXPLORATION They (oceans)provide a promote development. x Jinping In this unit,you will 4Appreciate the sa through poetry. UNIT SEA EXPLORATION They (oceans)provide a breeding ground for life, connect the world and promote development. x Jinping In this unit,you will 2 hear andtalk about proteting llein the se 4Appreciate the sa through poetry. Look and Discuss 3.What words would you use to describe the sea? The sea is full of life.Even when we cannot see ocean animals,the sea itself is constantly in motion and never standing still.It also has moods,sometimes bright and cheerful,sometimes stormy and angry. UNIT 4.How do you understand the quote? They(oceans)provide a As the cradle of life,the ocean links the whole globe together,and provides numerous resources for humans to survive,develop and prosper. breeding ground for life, connect the world and promote development. ---Xi Jinping Lead in 1.Do you know any stories about sea voyages in the past? Navigator: Nationality: Time: Achievement: ATLANTIC OCEAN f cnary 1.Do you know any stories about sea voyages in the past? IPODyM.PRNN First voyage Second voyage- Third voyage Fourth voyage PACIFIC OCEAN Caldoagos idands sOUTH AMERICA NORTH AMERICA AFRICA Christopher Columbus was an Italian explorer.When he was young,inspired by Marco Polo's tales,he decided to take adventures on the sea.In 1492,the Spanish king sponsored him to discover a new way to get to the east of the world by sea.They suffered a lot during the voyage and finally reached America which Columbus took for India. Navigator: Nationality: Time: Achievement: 1.Do you know any stories about sea voyages in the past? Magellan was a Portuguese explorer.He persuaded the king of Spain to support his plan to travel around the world by sea.He and his crew overcame many difficulties to sail west from Spain across the Atlantic and Pacific oceans. Unfortunately,Magellan was killed in a conflict with the local people in Philippines.His fellow men continued to sail and about three years later,the survivors came back to Spain.This was the first voyage around the world.It was significant in human's history of sea exploration. Navigator: Nationality: Time: Achievement: 1.Do you know any stories about sea voyages in the past? An expository essay Identify essay types There are four major types of essay:narrative,descriptive,expository, and argumentative.A narrative essay is a story with a beginning,middle, and the end.A descriptiveessay describes a subject and lists interesting details.An expository essay is factual,giving information on a subject. Finally,an argumentative essay aims to convince the reader. Read the title of the text "Reaching out across the sea"and skim the text. Thendecide what type of essay it is. Prediction In ancient times,silk from China found its way overland to India,the Middle East,and Rome,along what became known as the Silk Road.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 led to more awareness of each other's cultures.Over the centuries,further trading allowed more exploration of the regions to the west of China,as recorded in Du Huan's Record of My Travels in the eighth century. How many paragraphs are there in the text? Summarize the main idea of each paragraph Trade and curiosity have often formed the foundation of na t y in ssa rest e e expository na uStS in A ct detail a suo mankind's greatest achievements.To complete the great map of the world was a strong passion for the people of early civilisations.Marco Polo's tales inspired European explorers to search for sea routes from west to east.However,merchants Para 2:In ancient times, travel east to west was on the Silk Road. Para 1:Travel from east to west began long before Columbus. and explorers from the East set sail from east to west many years before Columbus first did. is factual,giving informatior on a subject.Finally,an argumentative essay aims tc convince the reader. Reading for main idea 1433,these land and sea routes remained active channels between other cultures for centuries. Later,the Ming Dynasty further developed relations with these regions.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.Under the command of Zheng He,they set sail from the South China Sea across the Indian Ocean to the mouth of the Red Sea,and then to the east coast of Africa.African royal families sent gifs such as giraffes as gestures of friendship in return for gold,silk,and spices.Although China withdrew from further expeditions after Para 3:Zheno He's sea voyages built relations with other countries. Summarize the main idea of each paragraph Reading for main idea The aim of this initiative is to encourage cooperation and trade across the historic Silk Road areas,and strengthen the bonds between China and the rest of the world.Trading has grown greatly in recent years,and will continue to do so in years to come.China has invested billions in systems and services along these routes,which will help to greatly develop the whole area for the benefit of future trade and cultural exchange. Para 4:The 21st Century Maritime Silk Road has encouraged cooperation and strengthened the bonds between China and the rest of the world. Reading for main idea Summarize the main idea of each paragraph To reach out across the sea remains a strong desire today.The ancient sea routes travelled by Zheng He are being revisited with the 21st Century Maritime Silk Road, which is part of the Belt and Road Initiative. places lefto explore.In recent years,China hasjoined other nations on severalexpeditions important projects. to explore the Arctic.From a scientific point of view,there is an urgent need to study the Arcticin order to understand cimate change andits effects. Summarize the main idea of each paragraph China has also joined ts friends across the sea on other important projects.Athough the Para ancient sea routes of Zheng He have been travelld many times,there are stillmany other joining Reading for main idea countries on other is also other 5:China with Reading for main idea Summarize the main idea of each paragraph Hundreds of years on,and with the latest technology in hand,t he need to trade and the desire to enhance relationships will drive China to reach out across the sea far into the future. Para 6:China will continue to explore the sea and enhance relationships with other countries. Para1 Travel from east to west beganlong before Columbus. Para 2 In ancient times,traveleast to west was on the Silk Road. Para3 Zheng He's sea voyages built relations with other countries. main idea of each paragraph Para4 The 21st Century Maritime Silk Road hasencouraged cooperation and strengthened the bonds. Para5China is also joining with other countries on important projects. Para 6 China will ontinue to explore the sea and enhance relationships with other countries. Summarv Time Event In ancient times Merchants from China and many other places met on a trading route across the sea to have trade. in the 8th century Further trading allowed more exploration to the west of China. in Ming Dynasty Zheng He led seven large fleets to sail west on trade and exploration.These routes still remain active today. today The ancient routes across the sea are being revisited.The Belt and Road Initiative is put forward. in the future The need to trade and the desire to enhance relationships will drive China to reach out across the sea far into the future. Read for details Scanthe text and fill in the table with the correct names. Discourse Analysis Para1 Trade and curiosity have often formed the foundation of mankind's greatest achievements.To complete the great map of the world was a strong passion for the people of early civilisations.Marco Polo's tales inspired European explorers to search for sea routes from west to east.However, merchants and explorers from the East set sail from east to west many years before Columbus first did. Q1:What leads mankind to conduct sea exploration? Q2:Who began to set sail earlier,European explorers or Asian ones? 1.Trade and curiosity lead humankind to conduct sea exploration. 2.Asian explorers. Para2 In ancient times,silk from China found its way overland to India,the Middle East,and Rome,along what became known as the Silk Road.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 led to more awareness of each other's cultures.Over the centuries,further trading allowed more exploration of the regions to the west China,as recorded in Du Huan's Record of My Travels in the eighth century. Q1:Which countries were involved in the trade along the Silk Road? Q2:What benefits did those countries get? 1.India,the Middle East, Rome,Sri Lanka, China 2.They got new products from different countries and became more aware of other cultures. Du Huan Para 3 Later,the Ming Dynasty further developed relations with these regions.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.Under the command of Zheng He,they set sail from the South China Sea acr oss the Indian Ocean to the mouth of the Red Sea and then to the east coast of Africa.African royal families sent gifts such as giraffes as gestures of friendship in return for gold,silk,and spices.Although China withdrew from further expeditions after 1433,these land and sea routes remained active channels between other cultures for centuries. Q1:Why did Ming Dynasty send Zheng He to sail on voyages? Q2:What effects did reaching out across the sea in the past have on the world? 1.To show the glory of Ming Dynasty;to promote trade;to develop relationship with other countries. 2.The land and sea routes remained active channels between different cultures for centuries. Para 4 To reach out across the sea remains a strong desire today.The ancient sea routes travelled by Zheng He are being revisited with the 21st Century Maritime Silk Road,which is part of the Belt and Road Initiative.The aim of this initiative is to encourage cooperation and trade across the historic Silk Road areas,and strengthen the bonds between China and the rest of the world.Trading has grown greatly in recent years,and will continue to do so in years to come.China has invested billions in systems and services along these routes,which will help to greatly develop the whole area for the benefit of future trade and cultural exchange. Q1:What is the goal of the Belt and Road Initiative? Q2:Do you think it is worthwhile for China to invest much money in systems and services along the routes? 1.To strengthen cooperation and promote trade. 2.Yes,absolutely.Because it will help China with its future trade and cultural exchange. Para 5&6 China has also joined its friends across the sea on other important projects.Although the ancient sea routes of Zheng He have been travelled many times,there are still many other places left to explore.In recent years, China has joined other nations on several expeditions to explore the Arctic. From a scientific point of view,there is an urgent need to study the Arctic in order to understand climate change and its effects. Hundreds of years on,and with the latest technology in hand,the need to trade and the desire to enhance relationships will drive China to reach out across the sea far into the future. Why is there a need to study the Arctic? To understand climate change and its effects . Critical Thinking Discussion:Is it worthwhile to explore the sea? Supporters'opinion: It is worthwhile for us to explore the sea.The reasons are as follows.To begin with,the sea provides the mankindwith all kinds of food,which can solve the problem of hunger to a certain degree. Secondly,the sea is rich in natural resources,offering human alternative energy.What's more,the sea exploration may help human beings to understand our earth better.For example,we can know why the weather changes by studying the sea.Overall,sea exploration is of great significance to human development. We shouldn't explore the sea.For one thing,sea exploration does damage to the sea.Many fishes and birds die owing to sea exploration.Besides,it takes a massive amount of money to conduct sea exploration.What is worse,mining in the arctic leads much ice to melt,which causes climate change.Humans may suffer a lot if we continue to do so. Opponents'opinion: Exploring the theme further 1.Which countries reached out across the sea in the past and why? 2.What benefits and problems did those countries get from doing this? 1.European explorers,China, India, Ceylon, African royal families.They reachedout across the sea for trade. 2.They got new products from many different countries and became more aware of other cultures.In some cases,this led to invasion and conquest. “一带一路”国际合作高峰论坛 BELT AND ROAD FORUM FOR INTERNATIONAL COOPERATION 2017年5月14-15日中国 ·北京 14-15 MAY 2017 BEJNG,CHNA — 带 — — 路 ” 国 际 合 作 高 论 玩 Belt and Road Forum for Intern 3.What effects did reaching out across the sea in the past have on the world? 4. What do you think is the significance of theBelt and Road Initiative? 3. The land and sea routes remained active channels between different cultures for centuries. Generally speaking, the result was positive,as it advanced the spread of knowledge,technology and goods and made the world a small place. 4.The aim of this initiative is to encourage cooperation and trade across the historical Silk Road areas,and strengthen the bonds between China and the rest of the world. Post-Reading Watch a video about Zheng He's voyage on the sea and then conduct interviews.Suppose one student is a reporter and another student is Zheng He. Show Time Reporter:How many people joined the voyage at its largest scale? Zheng He:More than 20,000. Reporter:Wow,it must be a sight to behold. Zheng He:Absolutely. Reporter:What is your purpose to make the voyage? Zheng He:To build bonds with other countries and show the glory of Ming Dynasty. Reporter:You made great contributions in developing relationships with other countries. Zheng He:We are proud to be Chinese.It's everyone's duty to contribute to our motherland. $$