首页
外语
计算机
考研
公务员
职业资格
财经
工程
司法
医学
专升本
自考
实用职业技能
登录
外语
Egypt Felled by Famine Even ancient Egypts mighty pyramid builders were powerless in the face of the famine that helped bring do
Egypt Felled by Famine Even ancient Egypts mighty pyramid builders were powerless in the face of the famine that helped bring do
admin
2009-07-11
95
问题
Egypt Felled by Famine
Even ancient Egypts mighty pyramid builders were powerless in the face of the famine that helped bring down their civilian around 2180 BC.Now evidence gleaned from mud deposited by the River Nile suggests that a shift in climate thousands of kilometers to the south was ultimately to blem and the same or worse could happen today.
The ancient Egyptians depended on the Nile’s annual floods to irrigate their crops. But any change in climate that pushed the African monsoons southwards out of Ethiopia would have diminished these floods.
Dwindling rains in the Ethiopian highlands would have meant fewer plants to stablise the soil. When rain did fall it would have washed large amounts of soil into the Blue Nile and into Egypt, along with sediment from the White Nile.
The Blue Nile mud has a different isotope signature from that of the White Nile. So by analyzing isotope differences in mud deposited in the Nile Delta, Michael Krom of Leeds University worked out what proportion of sediment came from each branch of the river.
Krom reasons that during periods of drought, the amount of the Blue Nile mud in the river would be relatively high. He found that one of these periods, from 4,500 to 4,200 years ago, immediately predates the fall of the Egypt’s Old Kingdom.
The weakened waters would have been Catastrophic for the Egyptians. "Changes that affect food supply don’t have to be very large to have a ripple effect in societies", says Bill Ryan of the Lamont Doherty Earth Observatory in New York.
Similar events today could be even more devastating, says team member Daniel Stanley, a geoarchaeologist from the Smithsonian Institution in Washington,D.C:" Anything humans do to shift the climate belts would have an even worse effect along the Nile system because the populations have increased dramatically
选项
A、Because they once worked miracles.
B、Because they were well-built.
C、Because they were actually very weak.
D、Because even they were unable to rescue their civilization.
答案
D
解析
题意:作者为什么提及“建筑金字塔”的人?因为甚至他们也不能挽救他们的文明。文章第一段提到“即使是古埃及伟大的金字塔建筑者面对那场公元前2180年促使他们的文明毁灭的饥荒也无能为力”,故选D。
转载请注明原文地址:https://kaotiyun.com/show/341d777K
本试题收录于:
职称英语卫生类B级题库职称英语分类
0
职称英语卫生类B级
职称英语
相关试题推荐
Computerpeopletalkalotabouttheneedforotherpeopletobecome"computer-literate",inotherwords,tolearntounderstand
NolongerdomostofEurope’sundergraduateswanttodirtytheirhandsproducingthingsorprovidingservicestocustomers.【R1】_
TheUSmaysofarhaveenjoyedgoodluckinescapingadirectSARShit,butofficialsaren’tleavinganythingtochance.Thebes
1.Sharewareiscomputersoftwarethatisdistributedontheprinciplethatusercantryitbeforetheybuyit.Sharewareisnot
1.Theprivatecarisassumedtohavewidenedourhorizonsandincreasedourmobility.Whenweconsiderourchildren’smobility,
Annabeginsbyaskingherfathertocollectherfromtheparty.Anna’sfatherinsiststhatsheleavesthepartyat12:00.
DriedFoodsCenturiesago,mandiscoveredthatremovingmoisture(51)foodhelpedtopreserveit,andthattheeasiestwaytod
Accordingtothepassage,killinginsectsandbacteriapresentinfoodsbyirradiatingisnotcompletelyapprovedbytheUSgove
FDAhasapprovedtheplanofusingHIVtocurecancerinhumans.Othercountriesarealsoexpectedtobeginclinicalgenethera
随机试题
Ishouldverymuchliketohavegonetothatpartyoftheirs,but______.
下列关于X线透视的说法,正确的是
患儿,5个月。前囟、后囟均未闭合。其囟门闭合情况评价为( )
患者,男性,55岁。高血压病史20年,心电图Rv5=4.0mV,Rv5+Sv1=4.9mV,心电轴-45,应诊断是()
张某2013年12月从某汽车4S店购买一辆小汽车自用,支付含增值税的车价款24万元,另支付车辆改装费2万元,车辆装饰费1万元,保险公司委托4S店代收的保险费0.6万元(保险公司开票)。4S店赠送张某0.5万元的加油卡一张。张某应缴纳车辆购置税()万
如果求助者认为鬼神是存在的,心理咨询员应当()。(2003年8月三级真题)
已知向量a、b,满足|a|=3、|b|=6,且向量a、向量b的夹角为120度,则(a+b)2的值是________。
以下哪项最适合接在下段文字后面?人们在购买一种名牌产品时,实际上是花钱买身份。他们希望通过购买名牌产品拉大旗作虎皮,抬高自己。所以,名牌产品的销售不应采用薄利多销的策略,因为:
A.shehadbetterthinkthewholethingoverB.makedowithanunhappymarriageC.it’sreallyashameBill:Kate,NancyandSteve
WithoutwaterfromtheNileRiver,Egypt____afarmingcountryandbecomeadesert.
最新回复
(
0
)