题目内容：

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

优质解答

把冰淇淋,汉堡包和可乐看成是一个整体,谓语动词用单数,又如：
Two and two is four.
Blue and yellow is green.
An author and teacher was awarded a prize yesterday.
希望我能帮助你解疑释惑.