:江苏省各地2019届高三上学期10月英语试卷精选汇编：阅读理解

: 阅读理解
金陵中学10月月考
第四部分：阅读理解（30分）
A
A: On todays Words and Their Stories we talk about a common word, a small word, but a word that is completely necessary for human life. In fact, without this simple, everyday material, all humans would die.
B: Scientists know it as sodium chloride. We know it as salt.
You may think, salt is just a simple cooking element we shake on our food for a little extra taste. But salt is much more than that.
A: Without salt our muscles would not move. Our nervous systems would not operate. Our hearts would not beat. Salt means life.
But do not think rubbing salt in a wound will help. Doing that would be painful and not heal the wound. To rub salt in a wound is an idiom that means to purposefully make a bad situation worse.
B: Early humans got the salt they needed to stay alive from the animals they killed. But advances in agriculture led to a diet low in salt. So, humans needed to find other sources.
A: Tho