The biggest whale is blue whale, which grows to be about 29 meters long-the heig

The biggest whale is ____ blue whale, which grows to be about 29 meters long-the height of ____ 9-story building.　

A. the; the　 B. a; a　 C. a; the　 D. the; a

试题答案

D

句意：最大的鲸鱼是蓝鲸, 它大约可长到29米, 相当于9层楼的高度。the blue whale蓝鲸, the+单数名词为特指一类事物; a 9-story building为泛指, 故选D。