Weather or not exercise adds (1) the length of life, it is common experience that a certain (2) of regular exercise improves the health and contributes a feeling of well-being. Furthermore, exercise (3) involves play and recreation, and relieves nervous tension and mental fatigue in so doing, is not only pleasant but beneficial.
How much and what kind of exercise one should (4) merits careful consideration. The growing child and the normal young man and young woman thrill with the exhilaration of strenuous sports. They fatigue to the (5) of exhaustion but recover promptly with a period of rest. But not so with (6) of middle age and beyond. For them moderation is (7) vital importance. Just how much exercise a person of a given age can safely take is a question (8) to answer. Individual variability is (9) great to permit of general
A. with
B. from
C. in
D. on
Weather or not exercise adds (1) the length of life, it is common experience that a certain (2) of regular exercise improves the health and contributes a feeling of well-being. Furthermore, exercise (3) involves play and recreation, and relieves nervous tension and mental fatigue in so doing, is not only pleasant but beneficial.
How much and what kind of exercise one should (4) merits careful consideration. The growing child and the normal young man and young woman thrill with the exhilaration of strenuous sports. They fatigue to the (5) of exhaustion but recover promptly with a period of rest. But not so with (6) of middle age and beyond. For them moderation is (7) vital importance. Just how much exercise a person of a given age can safely take is a question (8) to answer. Individual variability is (9) great to permit of general
A. for
B. to
C. at
D. of
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