两个并列的主语从句之间是否一定要用连词连接,可不可以省略?请帮忙分析问题补充里新概念里的句子成分.
It is said that the nerve poison is the more primitive of the two,that the blood poison is,so to speak,a newer product from an improved formula.
答：理论上是.就象两个作宾语的从句用and并列一样.实际上这个就是由People say that .and that...变成被动语态而来的句子.