【万物简史】PART II CH 7基本物质（2）_英语听力练习mp3下载-科学-沪江听力酷

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【万物简史】PART II CH 7基本物质（2）

听力简介：

昨天提到的从尿里提纯的东西是磷。其发现之初的提炼价格很贵，1盎司的价值折合今日的500美元。一开始，这么昂贵的东西只供军用，直到18世纪中叶，瑞典化学家发明了新的提炼方法后，磷才得以在工业中大规模普及。而让瑞典保持在磷提炼世界领先水平的人卡尔•金勒却是一个无名之辈，他是个药剂师，没有先进的设施却先后发现了八种化学元素和化合物，可他自己却没得到任何名誉~~~

❤《万物简史》推出部落节目版，戳这里订阅:http://bulo.yeshj.com/menu/6004/

书本的朗读语音很charming的磁性英音~~~大家可以好好学着模仿哦~~~！！
因为原著为美国人所写,单词采用美式拼法,不抄全文，也不用写序号。答完一空换行继续下一空作答。文中需听写单词或词组用[-No-]表示，句子用[---No---]表示。请边听写边理解文意，根据下面的TIPS训练听写。这样可以提高听力准确度，并为训练听译打下基础哦~~~

TIPS听写训练点：单词拼写，时态，单复数，连读，长难句（请边听边用符号先记下内容，然后自己回头组织语句，最后校对，不要逐字逐句听写）

Hints:
Sweden

The commercial potential for the stuff—which soon became known as phosphorus, from Greek and Latin [-1-] meaning "light bearing"—[---2---]. An ounce of phosphorus retailed for six guineas—perhaps 500 dollars in today's money—or more than gold.

At first, soldiers were called on to provide the raw material, but such an arrangement was hardly conducive to [-3-] production. In the 1750s a Swedish chemist named Karl (or Carl) Scheele devised a way to manufacture phosphorus [-4-] without the slop or smell of urine. [---5---]

Scheele was both an extraordinary and extraordinarily luckless fellow. A poor pharmacist [-6-], he discovered eight elements—chlorine, fluorine, manganese, barium, molybdenum, tungsten, nitrogen, and oxygen—and got credit for none of them. [---7---] He also discovered many useful compounds, among them ammonia, glycerin, and tannic acid, and was the first to see the commercial potential of chlorine as a bleach—[-8-]