【题目】There are no ______ proposals to reduce the road accidents. We are still seeking inspiration.
A. contradictory B. concrete
C. confidential D. controversial
在线课程【答案】B
【解析】考查形容词辨析。A. contradictory矛盾的； B. concrete具体的；C. confidential 机密的，获信任的；D. controversial有争议的。句意：没有减少道路事故的具体建议，我们仍然在寻找灵感。此处指具体的建议，故选B.