The History of Glass From our earliest origins, man has been making use of glass. Historians have discovered that a type of natural glass - obsidian - formed in places such as the mouth of a volcano as a result of the intense heat of an eruption melting sand - was first used as tips...
The History of Glass 发展史 Question 1 正确答案:obsidian 解析: 题干关键词:early humans(早期人类),a material(一种物质) 原文定位:第1段第1行“our earliest origins ”(我们最早的祖先)对应了题干中的“early humans”,答案定位到原文第1段第2句“…a type of natural glass-obsidian -…-was first ...
A majormilestonein the history of glass occurred with the invention of lead crystal glass by the English glass manufacturer George Ravenscroft (1632—1688).He attempted tocounterthe effect of clouding that sometimes occurred in blown glass by introducing lead to therawmaterials used in the process....
剑桥雅思12Test8Passage1阅读原文翻译 The History of Glass 玻璃的历史 剑桥雅思12 Test8 Passage1阅读答案解析 第1题答案:obsidian 对应原文:第1段: Historians have discovered that a type of natural glass — obsidian — was first used as tips for spears. 答案解析:由于整篇文章按照时间顺序进行写作,根据...
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14 has expressed doubt over whether improved methods of extracting oil are possible. List of People A Colin Campell B M. King Hubbert C Kenneth Deffeyes D Rene Dahan E Michael Lynch 可参考真题:剑桥12——TEST8 Passage1 The History of Glass ...
可参考真题:剑桥12——TEST8 Passage1The History of Glass Passage 2 文章题材:说明文(心理学) 文章题目:Placebo Effect - The Power of Nothing安慰剂的影响 文章难度:★★★ 题型及数量:匹配+判断+选择 题目及答案: Questions 14-17 匹配 14 F 15...
However, in more recent decades, China has gradually recaptured its position as the world's biggest producer and exporter of raw silk and silk yarn.然而，最近几十年，中国重新夺回了它作为世界最大的生丝和绢丝生产国和出口国的地位。同类型文章：C12T8P1:The history of glass 玻璃的历史 C17T1P2:Sta...
... in blown glass.对应原文：A major milestone in the history of glass occurred with the invention of lead crystal glass by the English glass manufacturer George Ravenscroft (1632-1683). He attempted to counter the effect of clouding that sometimes occurred in blown glass by introducing lead ...
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