单选题
1分
The biggest whale is ______ blue whale, which grows to be about 29 meters long—the height of _______...
The biggest whale is ______ blue whale, which grows to be about 29 meters long—the height of _______ 9-story building.
参考答案: D
参考解析: 考查冠词的用法。第一空用the+n表示类别, 是指blue whale这一类动物;第二空用a表示泛指。故选D。