首页
登录
职称英语
Year after year a dedicated Swedish chemist worked to find a substance which
Year after year a dedicated Swedish chemist worked to find a substance which
游客
2024-02-28
35
管理
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】______. [br] 【C15】
选项
A、time
B、era
C、aspect
D、period
答案
B
解析
转载请注明原文地址:https://tihaiku.com/zcyy/3491543.html
相关试题推荐
[originaltext]Technically,anysubstanceotherthanfoodthataltersourbodily
Thesubstancedoesnotdissolveinwater______(不管是否加热)。whether(itis)heated
[originaltext]M:Haveyouborrowedyourbooksyet?W:Igotmychemistrybook,
[originaltext]M:Haveyouborrowedyourbooksyet?W:Igotmychemistrybook,
[originaltext]M:Haveyouborrowedyourbooksyet?W:Igotmychemistrybook,
[originaltext]M:Haveyouborrowedyourbooksyet?W:Igotmychemistrybook,
[originaltext]M:Haveyouborrowedyourbooksyet?W:Igotmychemistrybook,
Manyscientistsaredeeplydedicatedtothedevelopmentofscience,andtheirwr
Notmanyoftheelementsoccurinnatureaspuresubstances,lyingaroundwa
Notmanyoftheelementsoccurinnatureaspuresubstances,lyingaroundwa
随机试题
ThestoryofhowoiltransformedKuwaitislikeamodernversionofAladdinand
[img]2019m5x/ct_eyyjscz2018j_eyyjscreadd_0077_201904[/img]Thegiantpanda,t
照明全负荷试验记录属于()资料。A.质量控制 B.功能抽查 C.观感 D.
大规格风管是指矩形风管边长大于()的。A.2500mm B.2400mm
患儿,1岁。大便溏薄,色淡不臭,面色萎黄,困倦乏力,不思乳食,食则饱胀,舌淡苔白
下列各项,不引起漏出液的疾病是()A.重度营养不良 B.恶性肿瘤
利用已有遥感资料进行工程地质测绘时,下列哪个选项的工作流程是正确的?()
能反映溃疡性结肠炎活动期的指标是( )。A.血红蛋白降低 B.白蛋白降低
操作风险评估的准备阶段不包括()A:确认评估对象B:绘制流程图C:提出优化方
下列交易或事项中,甲公司应按非货币性资产交换会计准则进行会计处理的是()。A.
最新回复
(
0
)