2025 年重庆市普通高中学业水平选择性考试9月调研(康德卷)地理答案
9月调研测试卷(地理)参考答案第1页共3页2025年重庆市普通高中学业水平选择性考试9月调研测试卷地理参考答案1~5ACBBA6~10ADDBB11~15DCBCA解析:1.A。据图可知,中国货物周转量以水运为主,而美国公路铁路运输具有压倒性优势,这造成了运输成本的巨大差异,水路运输成本仅为铁路的50~60%,公路的12~15%,空运的4~6%,水路运输的经济性是公路、铁路和航空运输无法比拟的。所以中国单位物流成本比美国低的一个重要原因就是运输方式的结构差异,故选A。2.C。航空运输的优点:速度快、舒适、安全,但运价高、运量小,不适宜运输大宗笨重的货物。虽然航空运输也运输一些贵重、急需的货物,...
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