【题目】Drivers are often seen battling for parking space, which is a rare _______ in crowded cities.
A.elementB.commodityC.compositionD.source
在线课程【答案】B
【解析】
考查名词辨析。句意：人们经常看到司机们争夺停车位，在拥挤的城市里，停车位是一种罕见的商品。A. element元素；B. commodity商品；C. composition作曲；D. source来源。根据“Drivers are often seen battling for parking space,”可知，停车位紧张，所以是罕见的商品。故选B。