【英语】求高人挑文章语法、单词毛病

题目

【英语】求高人挑文章语法、单词毛病
RT,本文是美高校化学教材 Chemistry:the Central Science 上的一篇稍作改动的引文,想把它作为课文来学,望各位高手能拿中国的英语语法、单词考试的角度批判这篇文章中的,相对于国内课文来说不严谨的用法或是过于偏僻的用法,
（nitric acid：uncountable n.硝酸）
My First Experience with Chemical Reactions
by Ira Remsen—Chemistry:The Central Science
While reading a textbook of chemistry,I came upon the statement ‘nitric acid acts upon copper,’ and I determined to see what this meant.Having located some nitric acid,I had only to learn what the words ‘act upon’ meant.In the interest of knowledge I was even willing to sacrifice one of the few copper cents then in my possession.I put one of them on the table,opened a bottle labeled “nitric acid,” poured some of the liquid on the copper,and prepared to make an observation.But what was this wonderful thing which I beheld?The cent was already changed,and it was no small change either.A greenish-blue liquid foamed and fumed over the cent and over the table.The air became colored dark red.How could stop this?I trie

答案

by Ira Remsen—Chemistry:此处应将Chemistry改成Chemist（化学家）
while改为who
meant：改为mean
In the interest of knowledge：in 改为 for
But what was this wonderful thing which I beheld：去掉which
The cent was already changed：was改为has
The air became colored dark red：改为in dark Red