Question

【题目】--- Look! So many colorful bicycles in two lines over there.
--- They're for public. This ______ of green smart traffic is everywhere in Xiangyang city.
A.number
B.pair
C.kind
D.piece

Answer 1

【答案】C
【解析】句意：——看，那边两排那么多彩色自行车。——他们是为公众提供的。这种绿色智能交通在襄阳到处都是。number数量；pair双；对；kind种类；piece张；片；块。根据句意可知选C。