2. 职称英语
  3. A、It includes three infrastructure companies.B、It has 24 operators to run the s

A、It includes three infrastructure companies.B、It has 24 operators to run the s

游客2024-01-21  30
问题
选项 A、It includes three infrastructure companies.
B、It has 24 operators to run the services.
C、It has no state-owned companies.
D、It is a highly complex system.
答案 D
解析
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