211. Our daily Beijing Mean Time is in fact Nanjing Time. That’s because we set our time b

问题补充：

211. Our daily Beijing Mean Time is in fact Nanjing Time. That’s because we set our time by the standards of Tzichingshan (Zijinshan) in Nanjing.

A. obligation

B. observatory

C. oraganization

D. Laboratory

答案：

A. obligation

B. observatory

C. oraganization

D. Laboratory

解析：可联系答.案.网客服索取。