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【简答题】
“十二五”期间，山西省将提高煤炭资源储量级别200亿吨，新增煤炭资源量100亿吨，将加大向外输送电能的比例，缓解当地的环境问题。据此回答1~2题。 1、与直接向外输送煤炭资源相比，山西省向外输送火电的劣势在于 [ ] A、减轻交通压力，提高运输效益 B、成本低，附加值高，效益好 C、有利于当地产业结构升级 D、加重山西省的环境污染 2、山西在煤炭资源开发过程中，产生了一些生态问题，下列关于其生态问题与根治措施的分析对应正确的是 [ ] A、采空区岩层断裂、塌陷一把采空区作为输的中转站 B、破坏土地资源，引起土壤退化一保存好表土，进行复垦 C、大量煤矸石弃之不用，占用大量土地资源一在煤矸石上面修建厂房 D、饮用水环境被破坏一跨流域调水
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