a series of 后的谓语动词加单数还是复数

a series of后的谓语动词加复数。a series of后还可加不可数名词。series：英[ˈsɪəriːz]美[ˈsɪriːz]。n.系列；连续；接连；(广播或电视上题材或角色相同的)系列节目；(两队之间的)系列比赛；串联。

例句

An accurate diagnosis was made after a series of tests.

准确的诊断是在一系列的检查后作出的。

Users advance through the program by answering a series of questions.

用户通过回答一系列问题，逐步完成整个程序。

A series of five interviews will be spread over two days.

一共五次面谈，分两天进行。