题库
单选题

The value of data in circulation and transactions is immense, but there are still challenges such as circulation bottlenecks,( )trading systems and an incomplete ecosystem for the industry chain.

问题1选项
A.develop
B.underdeveloped
C.management
D.manage
参考答案: 查看答案 查看解析 APP刷题
相关知识点试题
相关试卷
咨询
咨询客服
咨询客服