题干

地铁作为流动的博物馆,被称为城市“最有价值的隐藏”。破解北京地铁的供需矛盾,不仅要解决地铁票价的合理性问题,更在于如何加大地铁的建设力度。地铁4号线采用PPP模式(Public­Private Partnership)建设。在该模式下,政府通过市场化手段,引入某公司负责4号线的一部分投资和后期运营。这种模式为加大地铁建设力度提供了新思路,既拓宽了民间资本的投资领域,也使政府从地铁投资者和间接经营者转变为部分投资者和监管者。

结合材料,运用经济生活相关知识,说明传统上由政府财政投资兴建地铁,现在为什么要通过市场化引入民间资本。

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答案(点此获取答案解析)

①能够利用有限的财政资金建设更多的地铁线路,减轻了财政的负担。②通过拓宽民间资本的投资领域,促进了资源优化配置。③利用市场规律启动民间投资,处理好政府和市场的关系,促进政府职能的转变。

同类题4

请认真阅读下面短文,从短文后各题所给的A、B、C、D四个选项中,故答案选出最佳选项。

    The news of Stephen Hawking's death came a great shock to the whole world. To his family, he was “a great scientist and an extraordinary man whose work and legacy(遗赠)will 1 for many years”.

    His parents, both Oxford graduates, placed a high  2 on education and family members were often seen reading books at dinner. 3 known at school as “Einstein”, Hawking was not 4 successful academically. With time, he began to show talents for scientific subjects and decided to read  5 at university. As mathematics was not  6at Oxford then, Hawking chose physics instead.

    Diagnosed with a rare motor neurone disease, Hawking eventually 7 a wheelchair. Though shocked and bitter, Hawking continued his work in physics  8. After the loss of his  9, he communicated through a speech-generating device, which  10 him to produce A Brief History of Time with the help of an assistant.

    Hawking once  11how he felt when first informed of his disease,  12 that he would never realize his potential. “But now, 50 years later, I  13 be more satisfied with my life,” he said.

    Hawking also gained popularity  14 the academic world and appeared in several TV shows. He was featured in the film The Theory of Everything, which  15 his rise to fame and relationship with his first wife, Jane.

    Prof James Hartle, who once worked with him ,praised his unique ability to see through all the clutter(混乱)in physics and get to the  16.” My 17 of him would be…first as a scientist and, second, as a human being whose story is a victory  18 misfortune, which inspired a lot of people.” Prof Jim Al-Khalili pictured Hawking as a  19 person. “He was a fun loving guy. Inside that paralyzed body was someone full of  20 for life,” he said.