A lot of ice cream,hamburgers and cola is not healthy 为什么是is

问题描述:

A lot of ice cream,hamburgers and cola is not healthy 为什么是is

这句话的主语是“很多冰淇淋,汉堡包加可乐”这一个整体,是指这一种饮食结构,所以谓语动词用单数形式,又如:
Blue and yellow is green.
Bread and butter is my favorite breakfast.
Two and two is four.
希望我能帮助你解疑释惑.