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  3. The fitness movement that began in the late 1 960s and early 1 970s centered around aerobic exercise(有氧操)．Millions of individual

The fitness movement that began in the late 1 960s and early 1 970s centered around aerobic exercise(有氧操)．Millions of individual

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问题  The fitness movement that began in the late 1 960s and early 1 970s centered around aerobic exercise(有氧操)．Millions of individuals became engaged in a variety of aerobic activities，and literally thousands of health spas developed around the country to capitalize(获利)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 form 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 Health People 2000 National Health Promotion and Disease Prevention Objectives．
Early fitness spas were intended mainly for(          )．
选项 A、the promotion of aerobic exercise
B、endurance and muscular development
C、the improvement of women’s figures
D、better performance in aerobic dancing
答案B
解析 第二段专门对有些人不喜欢锻炼的原因进行了说明，主要有两句话。第一句“somepeople may be discouraged too much by caloric-expenditure charts”，这句话的意思是“卡路里消耗表会使有些人非常泄气”，后面给出了原因，即锻炼消耗的卡路里太少。由此看来，并不是他们觉得参考卡路里消耗表麻烦，D的说法不对。第二句借专业人士之口说出了原因“Exercise by itself is a very tough way to lose weight．”“tough”这个词强调艰苦、艰难性，也就是说用锻炼来减肥太过于艰难了。与前面消耗卡路里的说法结合起来就是：因为锻炼消耗的卡路里非常少，所以要想减肥的话，锻炼的投人要非常大才能起到效果。
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