无氧耐力

发布时间：2020-03-19 21:36 │ 来源：www.tikuol.com

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问题：

无氧耐力

考点：运动训练学运动训练学题库

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治疗急性心肌梗死首选多巴胺。

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结合材料及图，回答下列问题。

美国东部时间2007年10月17日上午7时46分，美国人口达到3亿，这引起国际社会的广泛关注。很多人关注的不仅是人口的增长，还有美国人口增长对环境的影响。英国《独立报》指出：对支撑地球生命的自然体系来说，美国人口的快速增长显然不是什么好事。

（1）由图甲可以看出美国人口的增长除自然增长外，人口机械增长的比重也很大，这种方式的人口增长

比重大的主要原因是什么？

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（2）影响环境人口容量的因素主要有资源、科技、地区开放程度、消费水平等。美国资源丰富，国土辽

阔，但媒体称 “美国人口的快速增长对支撑地球生命的自然体系来说并非好事”。试用环境人口

容量的相关理论对其进行阐释。

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（3）近年来，美国许多老年人由东北部向南部迁移。试分析其主要原因。

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在WO₃+3H₂═W+3H₂O的反应中，还原剂是（　　）

A．WO₃

B．H₂

C．W

D．H₂O

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民主集中制是（）的制度。

A.民主基础上的集中

B.集中指导下的民主

C.民主基础上的集中和集中指导下的民主相结合

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Passage One

Despite much loose talk about the new global economy, today’s international economic integration is not unprecedented. The 50 years before the first world war saw large cross-border flows of goods, capital and people. That period of globalization, like the present one, was driven by reductions in trade barriers and by sharp falls in transport costs, thanks to the development of railways and steamships. The present surge of globalization is in a way, a resumption (恢复) of that previous trend. The earlier attempt at globalization ended abruptly with the first world war, after which the world moved into a period of fierce trade protectionism and tight restrictions on capital movement. During the early 1930s, America sharply increased its tariffs, and other countries retaliated (报复), making the Great Depression even greater. The volume of world trade fell sharply. International capital flows virtually dried up in the interwar period as governments imposed controls to try to insulate (隔离) their economies from the impact of a global slump.
Capital controls were maintained after the second world war, as the victors decided to keep their exchange rates fixed on arrangement known as the Bretton Woods System, named after the American town in which it was approved. But the big economic powers also agreed that reducing trade barriers was vital to recovery. They set up the General Agreement on Tariffs and Trade (GATT), which organized a series of negotiations that gradually reduced import tariffs. GATT was replaced by the World Trade Organization (WTO) in 1995. Trade flourished.
In the early 1970s, the Bretton Woods System collapsed and currencies were allowed to float against one another at whatever rates the markets set. This signaled the rebirth of global capital market. America and Germany quickly stopped trying to control the inflow and outflow of capital, Britain abolished capital controls in 1979 and Japan (mostly) in 1980. This is part of the reason why continental Europeans tend to worry more about the power of global capital markets. America has been exposed to them for much longer.
Two forces have been driving these increased flows of goods and money. The first is technology. With the costs of communication and computing falling rapidly, the natural barriers of time and space that separate national markets have been falling too. The second driving force has been liberalization. As a result of both the GATT negotiations and unilateral (单方面的，单边的) decisions, almost all countries have lowered barriers to foreign trade. Most countries have welcomed international capital as well.

The global capital market didn’t flourish until ______ .

A．the Bretton Woods system was established

B．the Bretton Woods system collapsed

C．GATT was set up to reduce import tariffs

D．GATT was replaced by WTO

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