人教版（2019）选择性必修第四册Unit 3 Sea Exploration Reading UsingLanguage语法填空课件(共10张PPT)

(共10张PPT)
Unit 3 Sea Exploration语法-Reaching out across the sea
Trade and _________(curious) have often formed (form)the foundation of mankind’s greatest achievements. To complete the great map of the world was a strong passion ___ the people of early civilizations. Marco Polo’s tales inspired European explorers ________ (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.
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 extended along the coasts of the Indian Ocean, centred around ______ is now called Sri Lanka.
curiosity
for
to search
had set
what
what
Unit 3 Sea Exploration语法-Reaching out across the sea
Here, merchants from China and many other places met to negotiate trade deals, _______ also led to more _____________ (aware) of each other’s cultures. Over the centuries, further trading allowed more _____ (explore) of the regions to the west of China, as _________ (record) in Du Huan’s 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 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.
which
awareness
exploration
recorded
to behold
Under
Unit 3 Sea Exploration语法-Reaching out across the sea
African 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 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 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).
in
Although
remains
travelled
which
to encourage
strengthen
has grown
to come
Unit 3 Sea Exploration语法-Reaching out across the sea
China 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) many 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.
which
for
travelled
left
scientific
an
on
Unit 3 Sea Exploration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.
latest
Unit 3 -Express your opinions 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 pollution 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 melt more and this negative cycle will continue. Climate change is warning us ___________ something is very wrong.
exploring
exploiting
has caused
were pilled/spilt
killing
especially
which
are burned
that
Unit 3 -Express your opinions on Sea Exploration
Overfishing is another problem. Whales and dolphins are hunted for their 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 us.
or
was banned
without
to
Unit 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 important 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 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.
truly
covering
concerned
to
therefore
Understanding
of
accessing
Unit 3 -Express your opinions on Sea Exploration
With the population of the world _____________(grow) , we 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 have more options for managing this balance.
gorwing
development
probably
valuable
environmental
economic
improves
Unit 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 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).
takes
is celebrated
broadcast
varieties
working
conservation
an
where
for
respectively