In most South American countries rail transport is plagued by operational proble

游客2025-04-09 51

问题 In most South American countries rail transport is plagued by operational problems as well as by obsolete equipment.

选项 A、deficient
B、outdated
C、inferior
D、imperfect

答案 B

解析这句话的意思是：在大多数南美国家铁路运输由于运营问题和——设备产生很多麻烦。在给出的选项中，deficient“缺乏的，不充分的”；outdated“过时的，落伍的”；inferior“此等的”；imperfect“有缺点的，不完美的”。根据题意，B项正确。

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