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
Year after year a dedicated Swedish chemist worked to find a substance which, when【C1】______nitroglycerine (硝化甘油), would make ex
Year after year a dedicated Swedish chemist worked to find a substance which, when【C1】______nitroglycerine (硝化甘油), would make ex
admin
2010-04-12
32
问题
Year after year a dedicated Swedish chemist worked to find a substance which, when【C1】______nitroglycerine (硝化甘油), would make explosives safer to handle【C2】______weakening their force. He had a personal【C3】______scientific reason to pursue his search, because his【C4】______brother had been killed when a can of nitroglycerine【C5】______exploded. The oily liquid had been 【C6】______for so many disasters that its【C7】______ had finally been outlawed by many countries.
While【C8】______a new formula one morning, the doctor broke a test tube and gashed (划开) his finger. He was daubing (涂搽) the【C9】______with collodion (火棉胶), a coating solution of gun-cotton dissolved in ether-alcohol (乙醚),【C10】______the idea struck him —mix collodion with the nitroglycerine!【C11】______was the answer. The new mixture,【C12】______blasting gelatine (爆胶), was not only【C13】______safe to handle as dynamite, but it was also one-and-a-half times more powerful! In fact, so powerful 【C14】______ that it paved the way for a whole new【C15】______in construction and engineering. Mines were【C16】______, roads were built, and canals were cut at a speed once【C17】______impossible. It had another use, also —death and destruction in warfare. Its inventor had believed that the power of his new【C18】______ would so awe the military mind that it would actually be a deterrent (威慑物) to war.【C19】______it became a weapon that brought death to millions of soldiers and【C20】______.
【C18】
选项
A、weapon
B、mixture
C、explosive
D、discovery
答案
C
解析
转载请注明原文地址:https://kaotiyun.com/show/o5j7777K
0
大学英语四级
相关试题推荐
A、Shewasn’treallystudying.B、Shehadn’tfinishedwritingherarticles.C、Shehadfurnishedherhouse.D、Shecouldwritebeaut
Ilovetravelingbytrain.Fast【B1】______,slowlocaltrainswhichstopateverystation,【B2】______trainstakingbusinessmen
A、Becauseitishardtofindnaturalresources.B、Becauseitishopelesstofindnaturalresources.C、Becauseitispoorinnatu
CarcrashesaretheleadingcauseofinjuryanddeathamongU.S.children,andthoughmostofusnowthinkofcarseatsasstand
Putthepedaltothemetalifyou’redrivinginMontana.Thatstateisabouttoabandonthelittleloved65mphspeedlimitand,
A、ParentBoard.B、DistrictCourt.C、Teachers’Union.D、SchoolCommittee.C综合推断题,文章提到,教师协会的发言人在新闻发布会上声称罢工会一直持续到学校委员会同意开听证会解决此争端为止
Anewbookissuretobediscussed,and【B1】______,atcollegesthisfall.ThebookiscalledMyFreshmanYear:WhataProfesso
A、Europeantradition.B、Weightsandmeasurement.C、Employment.D、USpoliticalsystem.B根据选项,推测对话的内容与选项中出现的某些关键词相关,因此特别关注对话中的相关内容
Tidesarccreatedmainlybythepullofthemoonontheearth.Themoon’spullcauseswaterintheoceanstobealittledeeper
Sleepispartofaperson’sdailyactivitycycle.Thereareseveraldifferentstagesofsleep,andtheytoo【B1】______incycles.
随机试题
肾病产生的血管活性激素有
行灯电压不得超过________V,在特别潮湿场所或导电良好的地面上,若工作地点狭窄(如锅炉内、金属容器内),行动不便,行灯电压不得超过________V。()
如果货物是运往境外加工后复运进境的,海关应以加工后的货物复运进境时的到岸价格与原出境货物出境时的离岸价格之间的差额为完税价格征税。()
()是指投资者通过基金管理人及其指定的发售代理机构以现金进行的认购。
内资房地产开发企业将开发产品用于下列用途中的( ),在计算企业所得税时应作视同销售处理。
我国西南某省的地级州是欠发达地区,人口数量88万,城镇化率仅为22.4%(比全国平均值低29个百分点,比全省平均值低19个百分点),GDP等经济指标长期在全省排名倒数第一。2012年该州实现旅游总收入35.87亿元,相当于CDP(175.02亿元)的20.
明清北京故宫建筑受以下哪个地域工匠系统影响最大_______。
设A,B为n阶矩阵,求P·Q;
Anumberofforeignwordsstilllooklikeforeignwords;theseareoftenexpressionswhichwereoriginallyusedbypeoplewhowa
Withtheworld’spopulationestimatedtogrowfromsixtoninebillionby2050,researchers,businessesandgovernmentsarealr
最新回复
(
0
)