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
考研
According to myth, Rwanda’s ancient line of kings descended from a man with secret knowledge: He could【B1】______ordinary rock in
According to myth, Rwanda’s ancient line of kings descended from a man with secret knowledge: He could【B1】______ordinary rock in
admin
2015-12-28
24
问题
According to myth, Rwanda’s ancient line of kings descended from a man with secret knowledge: He could【B1】______ordinary rock into smooth, gleaming iron.【B2】______this new technology, he taught his people to make hard, durable weapons for defeating their enemies and sharp axes for cutting the forest to make fields. By the time the first Europeans arrived in the 19th century, iron had become【B3】______in the kingdom of Rwanda
Other traditional African societies tell stories of【B4】______ironworkers who descended from heaven or came from other lands. The prevalence of such legends【B5】______the importance of ironworking in these cultures, and archaeologists have long wondered if the arrival of iron metallurgy【B6】______the growth of complex early societies. Did foreigners【B7】______bring ironworking to Africa, or did Africans invent it themselves?
Entering the Iron Age was not easy. Metalworkers had to melt ore at【B8】______temperatures and then repeatedly hammer and reheat the spongy metal. The traditional view is that metallurgists in Turkey were the first to melt iron ore【B9】______, beginning around 1800 B.C.E. Initially, they【B10】______the new metal for precious【B11】______or ritual objects. But by 1200 B.C.E., workers in the Levant were boiling out【B12】______amounts of iron.
The metal had a major【B13】______on societies. Iron was a transformative metal. Iron ores are much more【B14】______than copper or the tin needed to make bronze. Bronze was【B15】______costly and largely limited【B16】______use in ritual objects and goods for【B17】______. But once cultures learned to melt iron, they could put iron tools into the hands of【B18】______people for clearing forests and tilling the【B19】______. This boosted agricultural yields, increased the numbers of villages, and【B20】______ever more social complexity.
【B16】
选项
A、in
B、as
C、to
D、at
答案
C
解析
考查固定搭配。空格所缺词语必须和be limited构成搭配。be limited to是固定搭配,意为“局限于”。其他选项均不和be limited搭配使用。
转载请注明原文地址:https://kaotiyun.com/show/NmsZ777K
0
考研英语一
相关试题推荐
[A]Whattodoasastudent[B]Variousdefinitionsofplagiarism[C]Ideasshouldalwaysbesourced[D]Ignorancecanbeforgiven[
Globalwarmingmayormaynotbethegreatenvironmentalcrisisofthe21stcentury,but—regardlessofwhetheritisorisn’t
Inthispart,youareaskedtowriteanessayaccordingtotheinformationbelow.Youshouldwritemorethan150wordsneatlyon
Thewaysinwhichsocietiesaddressenvironmentalissuesareinthemidstofaprofoundtransformation.Boththeextentofthis
Thewaysinwhichsocietiesaddressenvironmentalissuesareinthemidstofaprofoundtransformation.Boththeextentofthis
Humansarehavingahardenoughtimecopingwiththenaturalvariabilityinourenvironment,whichcausesdisasterssuchasheat
[A]TheLaborDepartmentexpectstwomillionnewjobsthisyearontopofthe1.7millioncreatedlastyear.Helpingtofuelwha
[A]TheLaborDepartmentexpectstwomillionnewjobsthisyearontopofthe1.7millioncreatedlastyear.Helpingtofuelwha
AccordingtoaDepartmentofHomelandSecurityreportobtainedbyForbes,com,agroupofunnamedprivatesectorexecutivesrepr
随机试题
论述你对郑板桥“眼中之竹”“胸中之竹”“手中之竹”创作过程的理解。[江苏2019]
函数y=y(x)由方程确定.求y’.
A.血、尿、大便常规检查B.病理检查C.内镜检查D.影像学检查E.肿瘤标志物直接观察肿瘤
尿中带血,小便频数,赤涩热痛,舌红脉数者,治宜选用
肿瘤的分化程度低说明其
圆截面杆ABC轴向受力如图。己知BC杆的直径d=100mm,AB杆的直径为2d,,杆的最大的拉应力是()。
每个行业都要经历一个由成长到衰退的发展演变过程,这个过程便称为行业的生命周期。一般地,行业的生命周期可分为幼稚期、成长期、成熟期和衰退期。()
商业银行需要计量交易对手信用风险的交易有()。
根据《民法通则》的规定,如果被代理人出具的授权委托书授权不明,下列说法错误的有()。
【2016年江苏省第61题】已知A、B两地相距600千米。甲、乙两车同时从A、B两地相向而行,3小时相遇。若甲的速度是乙的1.5倍,则甲的速度是()。
最新回复
(
0
)