单项选择题

Early fitness spas were intended mainly for ______.

A．the promotion of aerobic exercise
B．endurance and muscular development
C．the improvement of women's figures
D．better performance in aerobic dancing
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单项选择题
What was the attitude of doctors towards weight training in health improvement
A．Positive.
B．Indifferent.
C．Negative.
D．Cautious.
单项选择题
The word spas (Para. 1) most probably refers to ______.
A．sports activities
B．places for physical exercise
C．recreation centers
D．athletic training programs
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