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  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 engaged in a variety of aerobic activities, and literally thousands of health spas developed around the country to capitalize on this emerging interest in fitness, particularly aerobic dancing for females. A number of fitness spas existed prior to this aerobic fitness movement, even a national chain with spas in most major cities. However, their focus was not on aerobics, but rather on weight-training programs designed to develop muscular mass, strength, and endurance in their primarily male enthusiasts. These fitness spas did not seem to benefit financially from the aerobic fitness movement to better health, since medical opinion suggested that weight-training programs offered few, if any, health benefits. In recent years, however, weight training has again become increasingly popular for males and for females. Many current programs focus not only on developing muscular strength and endurance but on aerobic fitness as well
     Historically, most physical-fitness tests have usually included measures of muscular strength and endurance, not for health-related reasons, but primarily because such fitness components have been related to performance in athletics. However, in recent years, evidence has shown that training programs designed primarily to improve muscular strength and endurance might also offer some health benefits as well. The American College of Sports Medicine now recommends that weight training be part of a total fitness program for healthy Americans. Increased participation in such training is one of the specific physical activity and fitness objectives of Healthy People 2000: National Health Promotion and Disease Prevention Objectives.
Recent studies have suggested that weight training ______.
选项 A、has become an essential part of people’s life
B、may well affect the health of the trainees
C、will attract more people in the days to come
D、contributes to health improvement as well
答案D
解析 根据文章第二段中的“However，in recent years，evidence has shown that training programs de signed primarily to improve muscular strength and endurance might also offer some health benefits as well．”可以看出，最近的研究表明主要用来提高肌肉力量和耐力的训练计划对身体健康也有好处。由此可见，D 是正确答案。
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