1、Unit 3 Sea Exploration语法语法-Reaching out across the sea Trade and _(curious)have often formed(form)the foundation of mankinds greatest achievements.To complete the great map of the world was a strong passion _ the people of early civilizations.Marco Polos tales inspired European explorers _(search)fo
2、r 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.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
3、 was also extended along the coasts of the Indian Ocean,centred around _ is now called Sri Lanka.curiosityforto searchhad setwhatwhatUnit 3 Sea Exploration语法语法-Reaching out across the seaHere,merchants from China and many other places met to negotiate trade deals,_ also led to more _(aware)of each o
4、thers cultures.Over the centuries,further trading allowed more _(explore)of the regions to the west of 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 and 1433,seven large fleets sailed west o
5、n voyages of trade and exploration.These fleets were a sight_(behold)and were in a league of their own at that time._ 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.whichawarenessexplorationrecor
6、dedto beholdUnderUnit 3 Sea Exploration语法语法-Reaching out across the seaAfrican royal families sent gifts such as giraffes as gestures of friendship _ return for gold,silk,and spices._ China withdrew from further expeditions after 1433,these land and sea routes remained active channels between other
7、cultures for centuries.To reach out across the sea _(remain)a strong desire today.The ancient 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
8、the historic Silk Road areas,and _(strength)the bonds between China and the rest of the world.Trading _(grow)greatly in recent years,and will continue to do so in years_(come).inAlthoughremainstravelledwhichto encouragestrengthenhas grownto comeUnit 3 Sea Exploration语法语法-Reaching out across the seaC
9、hina has invested billions in systems and services along these routes,_ will help to greatly develop the whole area _ the benefit of future trade and cultural exchange.China has also joined its friends across the sea on other important projects.Although the ancient sea routes of Zheng He _(travel)ma
10、ny times,there are still many other places _(leave)to explore.In recent years,China has joined other nations on several expeditions to explore the Arctic.From a _(science)point of view,there is _ urgent need to study the Arctic in order to understand climate change and its effects_ the earth.whichfo
11、rtravelledleftscientificanon Unit 3 Sea Exploration语法语法-Reaching out across the sea Hundreds of years on,and with the _(late)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.latestUnit 3-Express your opinion
12、s on Sea Exploration When it comes to_(explore)the sea more,they usually mean _ (exploit)it.Sea exploration _(cause)many problems and will continue to cause more.More exploration means more pollution.In 2010,over 200 million gallons of oil _(spill)into the sea by the Deepwater Horizon.Plastic pollut
13、ion is also bad,_(kill)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 is less ice now,_ means we can look for more fossil fuels further north.But if more fossil fuels _(burn),the ice will mel
14、t more and this negative cycle will continue.Climate change is warning us _ something is very wrong.exploringexploitinghas causedwere pilled/spiltkillingespeciallywhichare burnedthatUnit 3-Express your opinions on Sea Exploration Overfishing is another problem.Whales and dolphins are hunted for thei
15、r meat _ for so-called research.Although this _(ban)in 1982,some countries are still“murdering”these intelligent creatures _ mercy.The sea is home _ life rather than human beings possessions.It is huge,but it is more sensitive than we think.If we do not protect it,future generations will not forgive
16、 us.orwas bannedwithouttoUnit 3-Express your opinions on Sea Exploration To _(true)understand our planet truly,we must explore the oceans _(cover)most of the planet.Opponents may be_(concern),but sea exploration is important for our future.For example,scientific research ships can help address impor
17、tant issues such as climate change.We need to understand what is happening _ our planet so that we can take action._,more research is necessary._(understand)more about the sea will also help us manage its resources better.Logging new species will improve our understanding _ life on the earth.It may
18、help us discover new medicines,as well as new sources of food and energy._(access)the deep ocean may also help us to predict events such as earthquakes.trulycoveringconcernedtothereforeUnderstandingofaccessingUnit 3-Express your opinions on Sea Exploration With the population of the world _(grow),we
19、 need new resources for future _(develop).There are _(probable)vast amounts of resources under the sea and ice,not just oil and gas but also _(value)minerals.Of course,there are still _(environment)risks.However,these should be balanced with _(economy)needs.Hopefully,as technology _(improve),we may
20、have more options for managing this balance.gorwingdevelopmentprobablyvaluableenvironmentaleconomicimprovesUnit 3-World Ocean Day World Oceans Day _(take)place on 8 June every year.Now it _(celebrate)in over 100 countries with hundreds of special events _(broadcast)across the globe.The day is marked
21、 in _(variety)of ways,including launching new campaigns and initiatives,and holding special events,all _(work)to advance ocean _(conserve)and education.Young people are _ important part of the project.World Oceans Day provides them with a platform _ they can express their concerns and share their ideas.Each year,World Oceans Day has a theme _ the campaigns and events on that day.For example,in 2016 and 2017 the themes were“Healthy oceans,healthy planet”and“Our oceans,our future”,_(respective).takesis celebratedbroadcastvarietiesworkingconservationanwhereforrespectively
