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
Technological invention has directly or indirectly produced social change in every period of history. The invention of the horse
Technological invention has directly or indirectly produced social change in every period of history. The invention of the horse
admin
2010-08-04
43
问题
Technological invention has directly or indirectly produced social change in every period of history. The invention of the horse collar in the Middle Ages was a【B1】______technological advance for agriculture; the【B2】______for use at sea so【B3】______navigation in the fifteenth century that it led in the age of【B4】______; and the steam engine was an【B5】______factor in the industrialization of Europe in the nineteenth century.
A discovery is another kind of technological【B6】______. While inventions add something new to a culture, discoveries increase our knowledge of something that already exists. Gravity had always been there, but Newton "discovered" it: be【B7】______how this natural force worked and how its laws【B8】______to falling bodies. This knowledge made possible many new inventions.【B9】______.
Since each invention makes more inventions possible, the speed of technological development tends to accelerate. Benjamin Franklin experimented with electricity in the eighteenth century,【B10】______. In the hundred years since Edison invented the light bulb, the discovery of electricity has led to tens of thousands of inventions, from the internal burning engine to the computer.【B11】______pose some of tile greatest challenges of our time.
【B2】
选项
答案
compass
解析
名词,根据空格后出现的词语at sea 和 navigation可推知,此处指航海上使用的发明“指南针”。
转载请注明原文地址:https://kaotiyun.com/show/U8A7777K
0
大学英语四级
相关试题推荐
Moods,saytheexperts,areemotionsthattendtobecomefixed,influencingone’soutlookforhours,daysorevenweeks.That’s
A、BecauseitismoreaccuratethantheCelsiusscale.B、Becauseitiseasiertouse.C、Becauseitisconvenientformeasuringth
Forcenturiesmendreamedofachievingverticalflight.In400ADChinesechildrenplayedwithafanliketoythatspunupwardsa
A、Thewomanhasabadmemory.B、Theyhavetoinvestmoremoneyinthewoman.C、Understandingismostimportant.D、It’snotadvis
Everyanimalisalivingradiator-heatformedinitscellsisgiven【M1】______throughitsskin.Warm-bloodedanimals
A、Nowadaystheemphasisofhealthhasabroaderfocusbecauseofimprovementsinthequalityoffood.B、Theoverallqualityofp
Forthispart,youareallowedthirtyminutestowriteacomposition.Youshouldwriteatleast120words,andbaseyourcomposi
Smokingmeanssomethingdifferenttovariouscultures.In【B1】______,manypeoplesmoke.Inwinter,itisoftendifficultto【B2】_
A、Mary’sson.B、Theman’sson-in-law.C、Mary’sfiance.D、Theman’sson.B推理题。从对话中可知Mary是这个男子的女儿。这个男子在问过“How’sTom?”。Mary回答说:他
A、Untilheeatsit.B、Atleastthirtyminutes.C、Allday.D、Nomorethanthirtyminutes.D细节判断题。考查学生抓住细节的能力,本题答案直到文章中部才出现:“Food
随机试题
劳动和受教育既是公民的基本权利,又是公民的基本义务。 ( )
我国完整的政府预算体系包括()。
下面是某求助者的MMPI的测验结果:从检测结果来看,可以判断该求助者的主要表现包括()。
包容表现为两方面,即个人的包容和制度的包容,“己所不欲,勿施于人”,在交往中,表现为制度的包容。
2006年H省规模工业综合能源消费量折算成标煤为()。2008年,H省下列各种规模工业能源加工的转换效率增长率超过平均数的为()。
牛奶的包装盒设计成方形,是因为方形比圆形的包装盒更节约存储牛奶所需的冷藏空间,这样,一个冷藏柜中可以摆放更多的牛奶。可乐的瓶子设计成圆形是因为该形状更容易随手拿取和携带。如果以上的观点是正确的,那么必须以下列()为前提。
设A是4×5矩阵,且A的行向量组线性无关,则下列说法错误的是()
ThereisgrowinginterestinEastJapanRailwayCo.ltd.,oneofthesixcompanies,createdoutoftheprivatizednationalrailw
CiscoPIX525防火墙开机自检后,输入“enable”命令后进入的模式是
Accordingtothefirstparagraph,theauthorseemstothinkthatThebiggestadvantageofaco-educationalschoolisthatboys
最新回复
(
0
)