问题
完形填空
China achieved ________ marvelous breakthrouhg at the 31th Olympic Games, ________ (rank) second in the gold medal count with 38 gold medals.
答案
a；ranking
句意：中国在31届奥运会上取得了巨大的突破，以38块金牌名列第二。breakthrough“突破”是可数名词；ranking second in the gold medal count with 38 gold medals是现在分词短语，在句中作结果状语。