Question

Our lab is on the third _____ of a six—______ building.

A. floor; story      B. floors; stories     C. ground; flat      D. apartment; ground

Answer 1

A

解析:

考查名词辨析。句意：我们的实验室在一幢6层楼房的第3层。由此可知前空指建筑物的“楼层”；后空指指层与层之间的空间，故答案为A符合。