如果不是视为整体,则谓语使用复数;如果视为整体,则用单数(例如bread and butter)。上述句子似乎应该用复数。例如:Food and water were plentiful.此外,water是不是food?一般来说不是(见例句)。不过据说根据FDA,water是一种food。Water is a food as defined in section 20l(f) of the Federal Food, Drug, and Cosmetic Act (2l USC 32l(f)).