According to the passage, ______ causes the most serious problem. [br] The last

游客2024-07-23  12

问题 According to the passage, ______ causes the most serious problem. [br] The last sentence implies that ______.

选项 A、good management systems are essential
B、a great leader is all important
C、the more people, the better
D、big cities have no bright future

答案 A

解析 “人类因素是决定大城市将来的关键因素”暗示出良好的管理很关键,符合题 意的只有选项A。
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