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【C1】______in a variety of aerobic activities, and【C2】______thousands of health spas【C3】______around the country to capitalize on his【C4】______interest in fitness, particularly aerobic dancing for females. A number of fitness spas existed【C5】______to this aerobic fitness movement, even a national chain with spas in most major cities. However, their【C6】______was not on aerobics,【C7】______on weight-training programs designed to develop muscular mass,【C8】______, and endu rance in their primarily male【C9】______. These fitness spas did not seem to benefit【C10】______from the aerobic fitness movement to better health, since medical opinion suggested that weight-training programs【C11】______few, if【C12】______, health benefits. In recent years, however, weight training has again become increasingly【C13】______for males and for females. Many【C14】______programs focus not only on developing muscular strength and endurance but on aerobic fitness as well.【C15】______, most physical-fitness tests have usually included measures of muscular strength and endurance, not for health-related reasons, but primarily【C16】______such fitness components have been related to【C17】______in athletics.【C18】______, in recent years, evidence has shown that training programs designed primarily to improve muscular strength and endurance might also offer some health【C19】______as well. The American College of Sports Medicine now【C20】______that weight training be part of a total fitness program for healthy Americans.
【C3】

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“develop”。而A选项“提高,增强”,B项“表明,证明,显示”,D项establish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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