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.
The word“spas”(Line 3,Para.1)most probably refers to(          ).

选项 A、sports activities
B、places for physical exercise
C、recreation centers
D、athletic training programs

答案B

解析 在第一段中提到"that message has not gotten through to the average American,who wouldrather try switching to“light”beer and low—calorie bread than increase physical exertion”。这里的that message(那一信息)肯定应该在前一句,也就是“Exercise is one of the few factors with a positive role in long-term maintenanceof body weight”(锻炼是对长期保持体重起积极作用的少有因素之一)。词组“has not gotten through to”指的是“在…中并不流行”,这里的意思就是那一信息对于一般美国人来说并没有受到重视。who引导了一个从句,是对一般美国人的描述。这里使用了would rather…than(宁可,也不)句型,意思是美国人宁可把兴趣投向淡爽啤酒和低卡路里面包,也不增加身体锻炼。四个选项中,B符合文意。
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