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Evidence of violent storms that destroyed a lost town known as Britain’s Atlantis has been uncovered. The finds were uncovered off the coast of Dunwich, Suffolk - a small village which in the 11th Century was one of the largest towns in England.
The town was hit by a series of storms in the 13th and 14th centuries and is now largely below the sea. Researchers said sediment(沉积物) gathered from the cliffs independently proved the historical record.
“They were like the south coast storms of 2013, at least once a year for decades,” Professor David Sear, of the University of Southampton said.
The three-year research off Dunwich has been funded by Touching the Tide, a £900,000 Heritage Lottery Fund plan to explore the changing Suffolk coast.
A diver used ultrasound(超声波) to “illuminate” findings on the seabed, and the marshes(沼泽) and eroding cliffs were surveyed. “It offers a marvelous history of climate change and coastal erosion,” said Prof Sear with regards to the findings.
In the 11th Century, Dunwich was the 10th largest town in England, but now has about 120 residents. Two great storms in 1286 and 1326 resulted in the loss of its harbour and started its decline. Prof Sear said analysis showed how “people gave up on Dunwich” after 1338, when another great storm choked up the port for good, and food production declined. Sediment gathered from the cliffs, he said, “independently confirmed the sequences of storms recorded in the historical record”.
The underwater research has been carried out using acoustic(声学的) imaging technology, and has unearthed a series of buildings. We found the ruins of about four churches and we’ve also found ruins of what we think was a toll house. We’ve also found shipwrecks(沉船), which no-one’s known before.
A dig in 2015 discovered evidence of Dunwich’s prehistoric origins, as well as evidence it was “a substantial Saxon port, prior to its rapid growth following the Norman invasion”.
Bill Jenman, from Touching the Tide, said: “We found loads of pottery, a lot more than we’ve found before, so sort of High Medieval - the peak of the wealth of Dunwich. We know it was a fairly major town in the Anglo-Saxon period.”
29. Evidence shows that Dunwich declined in history due to ______.
   A. the rise of sea level              B. sediment from the cliffs
   C. the Norman invasion             D. a series of storms
30. What can be learned from the text about Dunwich’s present condition?
   A. It is completely below the sea           B. It still exists with about 120 residents.
   C. It is still hit by storms every year.        D. It is still an important port in England
31. With the help of modern equipment, the researchers have found all the following things underwater EXCEPT_____.
   A. shipwrecks unknown before
   B. ruins of churches and other buildings
   C. the seabed that was like a busy harbour
   D. lots of pottery dating back to the Anglo-Saxon period
32. From the discoveries, we can conclude that______.
   A. Dunwich was thoroughly ruined by the Norman invaders
   B. no one believed those ships could have sink at Dunwich
   C. Dunwich was a prosperous town before its decline
   D. no historical records about Dunwich were kept after 1338
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