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1、Unit 5 The power of nature.阅读理解(建议用时16)A2017长沙一模Evidence of violent storms that destroyed a lost town known as Britains Atlantis has been uncovered. The finds were uncovered off the coast of Dunwich, Suffolka small village which in the 11th century was one of the largest towns in England.The town wa
2、s 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
3、the University of Southampton, said.The threeyear research on 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 su
4、rveyed.“It offers a marvelous history of climate change and coastal erosion，” said Prof. Sear with regard 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 start
5、ed 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 reco
6、rd.”The underwater research has been carried out using acoustic (声音的) imaging technology, and has unearthed a series of buildings. We found the ruins of about four churches and weve also found ruins of what we think was a toll house. Weve also found shipwrecks (沉船), which no ones known before.A dig
7、in 2015 discovered evidence of Dunwichs prehistoric origins, as well as evidence that it was a prosperous 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 weve found before, sort of High Medieval
8、the peak of the wealth of Dunwich. We know it was a fairly major town in the AngloSaxon period.”篇章导读：本文讲述了研究人员发现了英国一个衰落的小镇“Dunwich”被猛烈的暴风雨摧毁的新证据。1Evidence shows that Dunwich declined in history due to_.Athe rise of sea levelBsediment from the cliffCthe Norman invasionDa series of storms答案：D细节理解题。根据第
9、二段中的“The town was hit by a series of storms in the 13th and 14th centuries and is now largely below the sea”可知，这个小镇是被暴风雨摧毁的。2What can be learned from the text about Dunwichs present condition?AIt is completely below the sea.BIt still exists with about 120 residents.CIt is still hit by storms every y
10、ear.DIt is still an important port in England.答案：B细节理解题。根据第八段中的“In the 11th century, Dunwich was the 10th largest town in England, but now has about 120 residents”可知，此地现在只有大约120名居民。故答案为B。3With the help of modern equipment, the researchers have found all the following things underwater EXCEPT _.Aship
11、wrecks unknown beforeBruins of churches and other buildingsCthe seabed that was like a busy harbourDlots of pottery dating back to the AngloSaxon period答案：D细节理解题。根据最后三段的内容可知，A、B、C三项均属实，只有选项D中的“AngloSaxon period.”不正确。4From the discoveries, we can conclude that _.ADunwich was thoroughly ruined by the
12、Norman invadersBno one believed those ships could have sunk at DunwichCDunwich was a prosperous town before its declineDno historical records about Dunwich were kept after 1338答案：C推理判断题。根据最后一段的最后一句“We know it was a fairly major town in the AngloSaxon period.”可推知，在衰落之前，它是一个繁荣的城镇。1uncover vt. 发现2histo
13、rical adj. (有关)历史的3fund vt./n. 为提供资金/基金4marvelous adj. 极好的；非凡的5decline n/v. 衰落；减少/下降；拒绝1result in 导致 2.loads of 大量；许多B2017安徽检测The UN weather agency warned on Tuesday there was a good chance of an “El Nino” climate phenomenon in the Pacific Ocean this year, bringing droughts (干旱) and heavy rainfall t
14、o the rest of the world. The world Meteorological (气象的) Organization (WMO) said its modeling suggested a “fairly large potential for an El Nino, most likely by the end of the second quarter of 2016”The El Nino phenomenon occurs every two to seven years, when the trade winds that circulate surface wa
15、ter in the tropical (热带的) Pacific start to weaken.WMO pointed out Tuesday that since last December, trade winds had weakened and there had been a significant warming of the waters below the surface in the central Pacific.“While there is no guarantee this_situation will lead to an El Nino event, the
16、longer the trade winds remain weakened, and subsurface temperatures stay significantly warmer than average, the higher chances are，” it said.Two thirds of climate models predicted that the phenomenon would begin sometime between June and August, with onefifth suggesting it could start as early as May, and the
