2. 外语
  3. The fitness movement that began in the late 1960s and early 1970s centered around aerobic exercise. Millions of individuals beca

The fitness movement that began in the late 1960s and early 1970s centered around aerobic exercise. Millions of individuals beca

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问题     The fitness movement that began in the late 1960s and early 1970s centered around aerobic exercise. Millions of individuals became【1】in a variety of aerobic activities, and【2】thousands of health spas【3】around the country to capitalize on this【4】interest in fitness, particularly aerobic dancing for females. A number of fitness spas existed【5】to this aerobic fitness movement, even a national chain with spas in most major cities. However, their【6】was not on aerobics,【7】on weight-training programs designed to develop muscular mass,【8】, and endurance in their primarily male【9】. These fitness spas did not seem to benefit【10】from the aerobic fitness movement to better health, since medical opinion suggested that weight-training programs【11】few, if【12】, health benefits. In recent years, however, weight training has again become increasingly【13】for males and for females. Many【14】programs focus not only on developing muscular strength and endurance but on aerobic fitness as well.【15】, most physical-fitness tests have usually included measures of muscular strength and endurance, not for health-related reasons, but primarily【16】such fitness components have been related to【17】in athletics.【18】, in recent years, evidence has shown that training programs designed primarily to improve muscular strength and endurance might also offer some health【19】as well. The American College of Sports Medicine now【20】that weight training be part of a total fitness program for healthy Americans.  
选项 A、enhanced
B、manifested
C、developed
D、established
答案C
解析 “发展”。“developed”指事物在一段时期内“成长、发育、发展”，朝成熟、扩大、提高的方向前进，可以是自然界中的生长发育过程，也可以是人类社会中的发展、进步过程体现的发展速度很快，并暗示有某个固定目标存在。本文是按时间顺序叙事的，“develop”有“在一段时期内发展”的意思，所以选择“developed”。而选项A“提高，增强”，B“表明，证明，显示”，D是正式用词，常表示永久地“建立”起来，强调稳固而持久，涉及对象可以是具体和抽象事物(比如政府、医院、学校、形象、名望等)，均不符合题意。
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