Unit3 Sea Exploration Reading and Thinking-ppt课件 2021-2022学年高中英语新人教版选择性必修第四册.pptx

1、REACHING OUT ACROSS THE SEA Trade and curiosity have often formed the foundation of mankinds greatest achievements.To complete the great map of the world was a strong passion for the people of early civilisations.Marco Polos tales inspired European explorers to search for sea routes from west to eas

2、t.However,merchants and explorers from the East set sail from east to west many years before Columbus first did.reach out伸出伸出;提供援助提供援助 form the foundation of 构成构成的基础的基础complete the great map of the world绘制世界大地图绘制世界大地图 a strong passion for对对.有强烈的热情有强烈的热情 inspire sb.to do sth.激励某人做某事激励某人做某事searchfor寻找

3、寻找(动词短语动词短语)merchant n.商人商人;批发商批发商adj.海上货运的海上货运的set sail 起航起航;开航开航 Columbus 哥伦布哥伦布 Trade and curiosity have often formed the _(found)of mankinds greatest achievements._(complete)the great map of the world was _strong passion for the people of early civilisations.Marco Polos tales inspired European e

4、xplorers _(search)for sea routes from west _ east.However,merchants and _(explore)from the East set sail from east to west many years _Columbus first did.foundationTo completeto searcha toexplorersbefore In ancient times,silk from China found its way overland to India,the Middle East,and Rome,along

5、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 others cultures.Over the

6、 centuries,further trading allowed more exploration of the regions to the west of China,as recorded in Du Huans Record of My Travels in the eighth century.Later,the Ming Dynasty further developed relations with these regions.Between 1405 and 1433,seven large fleets sailed west on voyages of trade an

7、d 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 gifts such as gir

8、affes as gestures of friendship in return for gold,silk,and spices.Although China withdrew from further expeditions after1433.these land and sea routes remained active channels between other cultures for centuries.In ancient times 在古代 found its way overland to找到.的路 become known as作为变得出名(be)centred a

9、round以为中心 negotiate trade deals洽谈贸易协议 lead to more awareness of促成对的更多了解 develop relations with 发展与的关系trade and exploration 贸易和探索 a sight to behold壮观的景象，值得一看的风景 in a league of ones own独领风骚 under the command of在的指挥下 set sail from.across.to.从.起航,穿越.直抵.as gestures of friendship作为友谊的象征 in return for作为的报答

10、/交换withdraw from 退出;撤回经典句式经典句式1.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.在古代，来在古代，来自中国的丝绸沿陆路运至印度、中东和罗马，这条路后来就是闻名遐迩的自中国的丝绸沿陆路运至印度、中东和罗马，这条路后来就是闻名遐迩的“丝绸之路丝绸之路”.what引导的名词性从句可在句中作主语、宾语、表语或同位语引导的名词性从句可在句中作主语、宾语、表语或同

11、位语1._ made Lucy happy is the appointment with Tom.2.The consumers believe in the salesman,so they believe _ he has promised.3.The street is more like _ it was 10 years ago.4.I have no idea _ happened to my ladder,which is easy to break.Whatwhat what what 2.Over the centuries，further trading allowed

12、more exploration of the regions to the west of China，as recorded in Du Huans Record of My Travels in the eighth century几个世纪间，随着贸易的发展，对中国以西地区的探索增多了，这些在八世纪杜环所著的经行记一书中有所记载as引导定语从句：句首、固定搭配（引导定语从句：句首、固定搭配（as(is)reported 正如所报道的正如所报道的 as(was)expected正如所料正如所料 as is/was often the case事情常常是这样）事情常常是这样）1.is kno

13、wn to the United States，Mark Twain is a great American writer.2.He forgot to bring his pen with him，was often the case.As as In ancient times,silk from China found its way overland to India,the Middle East,and Rome,along _ became known as the Silk Road.A trading route across the sea was also extende

14、d along the coasts of the Indian Ocean,_(centre)around Ceylon(now Sri Lanka).Here,merchants from China and many other places met _ (negotiate)trade deals which also led to more awareness of each others cultures.Over the centuries,further trading allowed more exploration of the regions to the west of

15、 China,as_(record)in Du Huans Record of My Travels in the eighth century.Later,the Ming Dynasty further developed relations with these regions.Between 1405 _1433,seven large fleets sailed west on voyages of trade and exploration.These fleets were _ sight to behold and in a league of their own at tha

16、t time.Under the command of Zheng He,they set sail from the South China Sea_ the Indian Ocean to the mouth of the Red Sea,and then to the east coast of Africa._(africa)royal families sent gifts such as giraffes as gestures of friendship in return for gold,silk,and spices.Although China _(withdraw)fr

17、om further expeditions after1433.these land and sea routes remained active channels between other cultures for _(century).what centred to negotiaterecordedand a acrosswithdrewAfrican centuries To reach out across the sea remains a strong desire today.The ancient sea routes travelled by Zheng He are

18、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 re

19、cent 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.a strong desire强烈的渴望are being revisited with再度受到关注 the 21st Century Ma

20、ritime Silk Road21世纪海上丝绸之路the Belt and Road Initiative“一带一路”倡议 the aim of.的主旨strengthen the bonds between.and加强与之间的联系the rest of 剩余的，其他的continue to do继续干某事for the benefit of 为了的利益cultural exchange文化交流point of view观点，立场an urgent need迫切需要 To reach out across the sea remains _ strong desire today.The a

21、ncient sea routes _(travel)by Zheng He are being revisited with the 21st Century Maritime Silk Road,_ is part of the Belt and Road Initiative.The aim of this initiative is_ (encourage)cooperation and trade across the historic Silk Road areas and strengthen the bonds between China and the rest _the w

22、orld.Trading_ (grow)greatly in recent years,and will continue to do so in years _(come).China has invested _(billion)in systems and services along these routes,which will help to_(great)develop the whole area for the benefit of future trade and_(culture)exchange.a travelled whichto encourageof has g

23、rown to come greatly_billions cultural 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 e

24、xpeditions 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

25、 reach out across the sea far into the future.join Sb./Sth.on Sth与.一道开展了 the ancient sea routes 古代海上路线In recent years近年来 the Arctic北极，。point of view 观点，立场 an urgent need 迫切需要in hand在手头;可供使用 enhance relationships 加强关系drive sb.to do sth.推动/迫某人做某事 far into深入From a scientific point of view,there is an u

26、rgent need to study the arctic in order 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。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.有必要做有必要做There is no need to do sth.没必要做没必要做There is no point doing sth.做做是没有意义的是没有意义的1.There is an urgent need to address climate

27、 change.2.没必要依赖别人，你自己就可以做的到。目前迫切需要解决气候变化。There is no need to count on others,you can do it by yourself.China has also joined its friends across the sea_other important projects._the ancient sea routes of Zheng He have been travelled many times,there are still many other places_(leave)to explore.In r

28、ecent years,China _(join)other nations on several expeditions to explore the Arctic.From a_ (science)point of view,there is an urgent need _(study)the Arctic in order to understand climate change and its effects.Hundreds of years on and with the _(late)technology in hand,the need to trade and the de

29、sire to enhance relationships _(drive)China to reach out across the sea far _the future.on Although left has joined scientific to study will drive_latest_ into Using languageExpress your opinions on sea exploration When people talk of exploring the sea more,they usually mean exploiting it.Sea explor

30、ation has caused many problems and will continue to cause more.More exploration means more pollution.The Deepwater Horizon spilled over 200 million gallons of oil into the sea in 2010.Plastic pollution is also bad,killing many birds and fish,and has even been found in our tap water.Mining for resour

31、ces is very damaging,especially in the Arctic.Because of climate change,there is less ice now,which means we can look for more fossil fuels further north.But if we burn these,the ice will melt more and this negative cycle will continue.Climate change is warning us that something is very wrong.Overfi

32、shing is another problem.Whales and dolphins are also hunted for their meat or for so-called research.Although this was banned in 1982,some countries are stillmurdering these intelligent creatures without mercy.The sea is home to life,not human beingspossessions.It is huge,but it is more sensitive t

33、han we think.If we do not protect it,future generations will not forgive us.talk of 谈论谈论 explore the sea 海洋勘探海洋勘探 exploit the sea 海洋开发海洋开发 continue to do继续继续The Deepwater Horizon“深水地平线深水地平线”号站井平台号站井平台 spill.into 溢出了溢出了.到到出出plastie pollution 靈料污菜靈料污菜tap water 自来水自来水mine for.开米开米*Mine for resources资源开

34、采资源开采 fossil fuels 化石燃料化石燃料 negative cyele 不良循环不良循环 be hunted for因.被捕杀 without mercy无情地无情地 be home to 是是 的栖惠地、的栖惠地、家园家园;是是的产地的产地/所在地所在地 When people talk of _(explore)the sea more,they usually mean exploiting it.Sea exploration has caused many problems and will continue _(cause_)more.More exploration

35、 means more pollution.The Deepwater Horizon spilled over 200 million gallons of oil _ the sea in 2010.Plastic pollution_(be)also bad,killing many birds and fish,and has even been found in our tap water.Mining for resources is very damaging,_ _(especial)in the Arctic.Because of climate change,there i

36、s less ice now,_means we can look for more fossil fuels further north.But if we burn these,the ice will melt more and this negative cycle will continue.Climate change is warning us that something is very wrong.Overfishing is another problem.Whales and dolphins are also hunted for their meat or for s

37、o-called research.Although this _ (ban)in 1982,some countries are stillmurdering these intelligent creatures without mercy._ sea is home to life,not human beingspossessions.It is huge,but it is _ (sensitive)than we think.If we do not protect it,future _ (generation)will not forgive us.exploring to c

38、ause_ into_is especially which was banned more sensitiveThegenerations_ 2022-8-14Hopefully,as technology improves,we may have more options for managing this balance.随着技术的进步随着技术的进步,我们有望有更多的选择来驾驭这一平衡。我们有望有更多的选择来驾驭这一平衡。【句式分析】【句式分析】as technology improves 是时间状语从句，是时间状语从句，as 意为意为“随着随着”。1.As time （go）by,th

39、e job will let you use all your skills to the maximum.=With time going by,the job will let you use all your skills to the maximum.(increase),2.As the population (increase),more land is needed.3.(随着时间的推移随着时间的推移),the divisions between the rich and the poor are getting less deep.4.(随着天气变得越来越暖和随着天气变得越来越

40、暖和)，the ice in that area begins to melt.goes increasesAs time goes by/With time going byAs it gets warmer and warmer To truly understand our planet,we must explore the oceans which cover most of it.Opponents may be concerned,but sea exploration is important for our future.For example,scientific rese

41、arch ships can help address important issues such as climate change.We need to understand what is happening to our planet so that we can take action.Therefore,more research is necessary.Understanding more about the sea will also help us manage its resources better.Logging new species will improve ou

42、r understanding of life on the earth.It may help us discover new medicines,as well as new sources of food and energy.Accessing the deep ocean may also help us to predict events such as earthquakes.The population of the world is growing and we need new resources for future development.There are proba

43、bly vast amounts of resources under the sea and ice,not just oil and gas but also valuable minerals.Of course,there are still environmental risks.However these should be balanced with economic needs.Hopefully,as technology improves,we may have more options for managing this balance.be important for

44、对对.来说很重要来说很重要 address important issues 解决重要的问题解决重要的问题such as 例如例如 happen to sth./sb.发生在发生在 so that这样这样 take action 采取行动采取行动 as well as 以及以及：和：和 Log new species 记载新物种记载新物种 access the deep ocean 进入深海进入深海 future development.未来的发展未来的发展 amounts of 许多的许多的 not just.but also不仅仅是不仅仅是.还还有有.be balance with 相平衡

45、。相平衡。manage this balance驾驭这一平驾驭这一平衡衡 To truly understand our planet,we must explore the oceans _ cover most of it._ (opponent)may be concerned,but sea exploration is important for our future.For example,scientific research ships can help address important issues such_ climate change.We need _ (under

46、stand)what is happening to our planet so that we can take action.Therefore,more research is necessary._ (understand)more about the sea will also help us manage its resources better.Logging new species will improve our understanding of life on_ earth.It may help _ (we)discover new medicines,as well a

47、s new sources of food and energy.Accessing the deep ocean may also help us to predict events such as earthquakes.The population of the world_ (grow)and we need new resources for future development.There are _ (probable)vast amounts of resources under the sea and ice,not just oil and gas but also valuable minerals.Of course,there are still environmental risks.However these should be balanced with economic needs.Hopefully,as technology_ (improve),we may have more options for managing this balance.which Opponentsasto understand Understanding the us probably is growing improves