Question

The 18^th  National Congress of the CPC has been one of______things in our life recently.

A．important

B．more important

C．most important

D．the most important

Answer 1

D

试题分析：句意：中共第18届全国代表大会是我们最近生活的最重要的事情之一。One of+the+形容词最高级，表示“最……之一”；故选D。