Question

yes，it is 和yes，is it有什么区别 No，it is not 和No，is not

yes，it is 和yes，is it有什么区别 No，it is not 和No，is not it呢

Answer 1

肯定回答：Yes, it is.没有Yes，is it.一般用yes it is是对一般疑问句的肯定回答

否定回答：No, it is not.没有No, is not it

注意:双重否定表肯定

肯定回答：Yes, it is.没有Yes，is it.

否定回答：No, it is not.没有No, is not it.

双重否定表肯定。英语要结合语境看，有时no表肯定，yes表否定。

Answer 2

肯定回答：Yes, it is.没有Yes，is it.
否定回答：No, it is not.没有No, is not it.