【题目】Driving Offence Point System is a computer-controlled system _____ to reduce accident rates and make roads much safer.
A. designing B. to design
C. to be designed D. designed
在线课程【答案】D
【解析】system和design是动宾关系，design a system,宾语放前，要用过去分词，表被动。句意：违例驾驶记分是一个计算机控制系统被设计的目的在减少事故发生率,使道路更加安全。