2. 外语
  3. Jogging has become most popular in America. Many theories have been raised to explain its 【B1】 . The plain truth is that jogging

Jogging has become most popular in America. Many theories have been raised to explain its 【B1】 . The plain truth is that jogging

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问题     Jogging has become most popular in America. Many theories have been raised to explain its 【B1】 . The plain truth is that jogging is 【B2】 , quick and efficient to 【B3】 physical fitness.
    The most useful sort of exercise is exercise that 【B4】 the heart, lungs, and circulatory system. If these systems are 【B5】 , the body is ready for almost any sport and for almost any sudden 【B6】 . One can train more specifically, 【B7】 by developing strength for weight lifting 【B8】 the ability to run straight ahead 【B9】 short distances with great power as in football, 【B10】 running trains your heart and lungs to deliver oxygen more efficiently 【B11】 all parts of your body. It is 【B12】 noting that this sort of exercise is the only kind that can 【B13】 heart disease, which is the number one 【B14】 of death in America.
    【B15】 one sort of equipment is needed—a 【B16】 of good shoes. Physicians 【B17】 beginning joggers not to try to run in a tennis or gym shoe. Many design 【B18】 have been made in the last several years. These make an excellent running shoe 【B19】 if a runner wishes to develop as quickly as possible, with 【B20】 little chance of injury as possible.
选项 A、popularity
B、appearance
C、truth
D、fashion
答案A
解析 这篇短文介绍慢跑的优势。第一句话说慢跑在美国已成为非常普及的运动。有许多理论提出来解释它之所以普及的原因。【B1】题实际上是重复第一句话中的 popular，只是换成了名词popularity。明白的道理是：慢跑花费不高(cheap)，能快速、有效地保持身体健康(maintain physical fitness)。紧接着第二段讲慢跑对心脏、肺和血液循环系统的好处，是促进(develops)这些系统的一项最有用的运动。如果这些系统健康了 (fit)，那么身体就能从事任何运动，也能应对任何突然的需求(demand)。接着，作者讲人们可以从事专门的训练，比如(as)通过开发体力来举重，或(or)在踢足球的时候训练短距离直跑爆发力(for short distances)，但(but)跑步能使你的心和肺更有效地把氧气输送到(deliver...to...)你身体的各个部分。值得注意的是(it is worth noting)，这种锻炼是唯一能减少(reduce)心脏病的运动，而在美国，心脏病是头号死因(the number one cause)。最后一段介绍慢跑需要的鞋：慢跑仅(only)需要一种装备，那就是一双好的鞋(a pair of good shoes)。医师建议(advise)刚刚开始慢跑的人不要穿网球鞋或体操鞋。在过去的几年中，许多设计先进的鞋(many design advances)被生产了出来。如果一个慢跑者想快速进步，尽可能减少受饬的发生(as little chance of injury as possible)，那这些优质的鞋是必不可少的(indispensable)。注意：注意上下文的提示。在填空时，考生可把文章中的一些关键词视作提示，推测出需要填空的单词，比如【B1】题，上文讲慢跑在美国很普及(popular)，接着就说人们提出了许多理论来解释之所以普及的原因(explain its popularity)。再如，第一段第二句里有physical fitness，在【B5】题有这样的假设：If these systems are fit，如果这些系统是健康的话。因此，注意关键词并由此推测空格中的词，是考生应当学会掌握的诀窍。
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