nor用法相关的问题not...nor

nor用法相关的问题not...nor
在新概念中有
Spiders are not insects,as many people think,nor even nearly related to them .
去掉一些插入语后,在把省略
Spiders are not insects,nor are they nearly related to them.
一般来说都是neither nor的用法
而这里用的是not...nor
而且后面要到装
1.是否可以用not..nor和neither nor互换
2.nor后面是不是要到装