what kind of 后面接单数还是复数啊

1.接单数复数都可以的,具体看你写的句子了.
例子：What kind of car is it?那是什么牌子的车?
What kind of sports do British have?英国人有那些运动类型?
2.可以跟单数,也可以跟复数,通常是跟单数,跟复数的时候表示“一类、一群”.
例句：
What kind of book do you want?
你需要哪一种书?
What kind of shoppers are you?
你们是什么样的购物者?
This is a kind of abstraction.
这是一种抽象物.
Borax is a kind of white powder.
硼砂是一种白色粉末.
An apple is a kind of fruit.
苹果是一种水果.