铁路与轮船取代马车和帆船，这一巨大变化把人类带入到崭新的： A

铁路与轮船取代马车和帆船，这一巨大变化把人类带入到崭新的：

A、蒸汽时代 B、电气时代 C、信息时代 D、网络时代

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铁路与轮船取代马车和帆船，这一巨大变化把人类带入到崭新的： A

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