成人高考考试

根据网考网考试中心的统计分析，以下试题在2019/9/6日成人高考高起点习题练习中，答错率较高，为：78%
【单选题】64.According to the passage, coins once had real value as currency because they ______.
A. represented a great improvement over barter
B. permitted easy transportation of wealth
C. were made of precious metals
D. could become collector’s items
网考网参考答案：C，答错率：78%
试题解析：
暂时没有解析查看试题解析出处>>