这句话为什么用副词而不用名词?IT managers are realizing that,whatever the t

要用副词,副词efficiently 修饰的是manage
the requirements to manage that technology efficiently 的意思是 对科技有效管理的要求.
你没看完整句吧,
IT managers are realizing that, whatever the technology in use, the requirements to manage that technology efficiently and effectively and to deliver services that are aligned to the business requirement have never been more important.

你这个句子本身就不太对的，有语法问题，句子读不通。the requirements
to manage that technology efficiently.应该在to前面加一个动词are, 因为requirements你用的是复数，如果是单数要加is的哦。
micing我们都很少用这个词呢，有效率的意思吗，这个我不知道呢。
副词（adverb，简写为adv）是指...

句子有问题！！