题目内容

【题目】据有关山西能源基地的知识，回答下列各题。

【1】【1】下面哪一条铁路线是山西煤炭外运的专运干线

A. 哈大线 B. 陇海线 C. 大秦线 D. 宝成线

【2】【2】下列关于能源开发对山西生态环境的影响及治理措施的叙述，正确的是

①开采露天矿要剥离表土，易造成水土流失②井矿巷道建设不会造成水土流失和环境污染等问题③对工矿废弃地的复垦不利于矿区生态环境的保护④可采取工程措施和生物措施来保护矿区的生态环境

A. ①② B. ①④ C. ③④ D. ②③

【3】【3】山西能源资源丰富，但经济在全国中的地位并不领先，其主要原因是

A. 能源开发规模不大

B. 我国能源需求量不大，能源丰富难以发挥出优势

C. 石油取代煤成为我国主要能源，煤炭开采量不足

D. 结构单一，生产链短，能源的综合利用程度和附加值不高

【答案】

【1】【1】C

【2】【2】B

【3】【3】D

【解析】试题分析：

【1】【1】大秦线是从山西大同至河北的秦皇岛港，是山西煤炭资源外运的主要专线。

【2】【2】山西省地处黄土高原，生态环境脆弱，露天开矿和巷道开矿都造成了一定程度的水土流失和环境污染，可采取土地复垦等工程措施和生物措施来保护矿区的生态环境。

【3】【3】我国目前的能源结构仍然是以煤炭为主，山西省作为我国最主要的煤炭基地，开发规模大，优势明显。但山西经济在全国中的地位并不领先，其主要原因是山西省主要以煤炭开采为主，生产结构单一，能源的综合利用程度和附加值不高。

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