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
Several of the chemical elements were known in prehistoric【C1】______ . One of the great【C2】______ forward in civilization came w
Several of the chemical elements were known in prehistoric【C1】______ . One of the great【C2】______ forward in civilization came w
admin
2014-09-24
83
问题
Several of the chemical elements were known in prehistoric【C1】______ . One of the great【C2】______ forward in civilization came when bronze, an alloy,【C3】______ stone as the main material for tools and weapons. The iron replaced bronze. The first elements【C4】______ were those that were found free in nature or could be readily【C5】______ from their ores at relatively low temperatures. During the Middle Ages, chemistry was mostly practised by the alchemists,【C6】______ tried to turn base metals into gold, and who were interested in discovering a way of living for【C7】______ . But they discovered many important【C8】______ about the metals and some of the most easily attainable compounds. Even before the Middle Ages, people knew how to【C9】______ mercury, tin, and iron from their ores. By the time of Paracelsus, chemistry was developed largely to the effort of【C10】______ medicines.
【C8】
选项
A、data
B、facts
C、information
D、extract
答案
B
解析
这句讲的是"发现了许多重要事实",应选B项facts。A项data是datum的复数形式,意为"资料"。因上下文用词及内容不一样,此处不能说discover data。C项in formaiton意为"信息",为不可数名词,不能和many连用。D项source是可数名词,意思是"源泉"或"根源"。
转载请注明原文地址:https://kaotiyun.com/show/4wWO777K
0
在职攻硕英语联考
相关试题推荐
Thebestthingsinlifearefree,andthatincludesairandwater.Swimmingandbreathingusuallydon’tcostanything,butneith
Toclaimsupernaturalpowersandthenbecaughtindirtyacts—sexuallyabusingchildrenor,evenworse,protectingtheabusers—i
Directions:Thereare10questionsinthispartofthetest.Readthepassagethrough.Then,gobackandchooseonesuitablewor
A、Visithisdoctor.B、Getamassage.C、Leaveforatrip.D、Cancelanappointment.C男士说:我今天下午要出差。女士说:不要担心,我会接听处理你的所有电话。男士说:谢谢。我正在
Withoutmutualtrust,thewillingnesstoengage______inthelearningprocessishindered.
Researchersmayhavefoundasolutiontotheannoyinggender-wagegap:TellallthemaleCEOstohavemorebabies.Andonlychil
Thedoctoradvisedmetoincreasemyintakeofhealthyfoodsthatcan______heartdisease.
"Ifyouhadtoidentify,inoneword,thereasonthehumanracehasnotachieved,andneverwillachieve,itsfullpotential,th
LeadersofChinacanexercisesoundjudgment,fortheyareall______acquaintedwiththedifficultiesfacingthecountry.
Jack’sfriendTonyhadrecentlygottenatattoo(纹身),andJackwassoimpressedbyTony’sbraveryandhistattoothathedecided
随机试题
调查发现某高原地区居民结肠癌的发病率高于全国平均水平,研究者注意到该地区人们的饮食习惯具有高脂肪摄入,低蔬菜、水果摄入的特点,拟开展一项课题研究,分析饮食习惯与结肠癌的关系,考虑到因果现象发生的时间顺序,最佳研究方法应为()
下图示意某跨国公司的制造企业和研发中心在中国的分布。读图完成下列问题。该公司研发中心选择的地点,考虑的首要因素是()。
患儿,8岁,在颈前中线出现一球形囊性肿块,光滑,边界清楚,伸舌时能牵动,本人无痛苦,考虑为
下列关于SARS患者血液学检查的叙述,不正确的是
进口设备运杂费中,运输费的运输区问是指()。
下列属于灭火器使用中出现和维修中发现存在严重损伤、缺陷的灭火器要予以报废处理情形的是()。
单位可使用现金向个人收购农副产品和其他物资,如果超过使用现金限额的,超过的部分应当以支票或者银行本票支付。()
证券自营业务是指证券公司经过证监会许可,结合自身资金和委托人资金进行组合投资以获取利润最大化。( )
长时间的遗忘属于下列哪种障碍?()
以英美为例,分析欧美主要资本主义国家在19世纪晚期行政权力膨胀的表现。
最新回复
(
0
)