10年来,我国铁路里程数突破10万公里,固定资产投资累计超过4.5万

10年来我国铁路里程数突破10万公里固定资产投资累计超过4.5万亿元我国铁路技术达到世界先进水平中国成为拥有世界最大规模高铁体系的国家打造了推动世界铁路发展的新引擎我国高铁体系建设  

能够增强综合国力促进国民经济平稳运行

推动创新型国家建设实现由引进来走出去的转变

可以带动新兴产业成长为消费创造动力

有助于推进区域发展一体化增强协调性

A.①②       B.①③       C.②④          D.③④

答案

B

【解析】高铁体系建设作为一个新的消费热点,能够带动新兴产业的出现和成长,能够增强综合国力促进国民经济平稳运行①③适合题意;②中引进来走出去的转变不适合题意,排除;高铁开通有助于区域经济的发展,但不是区域发展一体化,④排除;故本题答案选B

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