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
Iron production was revolutionized in the early eighteen century when coke was first used【B1】______ of charcoal for refining iro
Iron production was revolutionized in the early eighteen century when coke was first used【B1】______ of charcoal for refining iro
admin
2010-05-09
66
问题
Iron production was revolutionized in the early eighteen century when coke was first used【B1】______ of charcoal for refining iron ore. Previously the poor【B2】______ of the iron had restricted its use in architecture to items such as chains and tie bars for supporting arches, vaults, and walls. With the【B3】______ in refining ore, it was now possible to make cast-iron beams, columns, and girders. During the nineteenth century further【B4】______ were made, notably Bessemer’s process for converting iron into steel, which made the material more commercially viable.
Iron was rapidly【B5】______ for the construction of bridges, because its【B6】______ was far greater than that of stone or timber, but its use in the architecture of buildings developed more slowly. By 1800 a complete internal iron skeleton for buildings had been developed in【B7】______ architecture replacing traditional timber beams, but it【B8】______ remained concealed. Apart from its low cost, the appeal of iron as a building material lay in its strength, its resistance to fire, and its potentialtospan vast areas. As a result,【B9】______ , but it was invariably concealed.
Significantly, the use of exposed iron occurred mainly in the new building types spawned by the Industrial Revolution: in factories, warehouses, commercial offices, exhibition hall, and railroad stations,【B10】______ .Iron, despite its structural advantages, had little aesthetic status.【B11】______ .
【B4】
选项
答案
advances
解析
转载请注明原文地址:https://kaotiyun.com/show/zOOK777K
0
大学英语六级
相关试题推荐
WhyispulpandpaperproductionimportanttoCanada?Whywashempbanned?
WhyispulpandpaperproductionimportanttoCanada?Whydoagriculturaliststhinkthathempwouldbebetterforpaperproduct
Givingbirthtoachildwasalife-or-deathstruggleforthemotherandbabyaslateastheearlyhalfofthiscentury;anestim
Givingbirthtoachildwasalife-or-deathstruggleforthemotherandbabyaslateastheearlyhalfofthiscentury;anestim
随机试题
除锈质量要求为钢材表面无可见的油脂和污垢,并且没有附着不牢的氧化皮、铁锈和油漆涂层等附着物,属于()。
灌肠时病人应取腹部检查时应取
泻下作用极微并有止血作用的是
在企业组织理论中,一个组织的分权可以通过( )的途径来进行。
《合同法》规定,对违反合同者追究责任时,实行()。
以下不属于SWOT分析模式中“威胁”的是()。
手工填写的工作日志,秘书通常要准备()。
[A]financialaidshouldbeprovidedtopoorcountriesthatarewithawidevarietyofplantsandanimals.[B]everyonewillsin
Today,inmanyhighschools,teachingisnowatechnicalmiracleofcomputerlabs,digitalcameras,DVDplayersandlaptops.Tea
GreeningtheDesignandConstructionofHealthcareFacilitiesWhatwedotoourenvironment,wedotoourselves,thesaying
最新回复
(
0
)