问答题 For example, it is recorded in many history books that people who lived over 3000 years ago ate salted fish. Thousands of years ago in Egypt, salt was used to preserve the dead.
【正确答案】
【答案解析】例如，许多历史书中记载，生活在3000年以前的人们吃咸鱼。几千年前在埃及，盐被用来保护尸体。