Running and swimming ----- good for my health.两个并列的动名词做主语时,谓语动词用单数还是复数

问题描述:

Running and swimming ----- good for my health.
两个并列的动名词做主语时,谓语动词用单数还是复数

are
主要是看有没有把这两者当成一个整体

getting up early and going to bed early is good for our ehalth
早睡早起 联系性比较大 就看成一个整体