Read the following text and fill each of the numbered spaces
with ONE suitable word. Write your answers on ANSWER SHEET 1.
Walking--like swimming, bicycling and running—is an aerobic
exercise, (31) builds the capacity for energy output and
physical endurance by increasing the supply of oxygen to skin and muscles. Such
exercises may be a primary factor in the (32) of heart and
circulatory disease. As probably the least strenuous, safest
aerobic activity, walking is the (33) acceptable exercise for
the largest number of people. Walking (34) comfortable speed
improves the efficiency of the cardiovasculary system (35)
stimulating the lungs and heart, but at a more gradual rate
(36) most other forms of exercise. In one test,
a group of men 40 to 57 years of age, (37) at a fast pace for
40 minutes four days a week, showed improvement (38) to men
the same age on a 30 minutes, three-day-a-week jogging program in the same
period. Their resting heart rate and body fat decreased (39)
. These changes suggest (40) of the important—even
benefits—walking can (41) about. Walking
(42) bums calories. It takes 3500 calories to gain or
(43) one pound. Since a one-hour walk at a moderate pace
will (44) up 300 to 360 calories. By walking one hour every
other day, you can burn up a pound-and-a-half monthly, or 18 pounds a
(45) —providing there is no change in your intake of
food. To (46) weight faster, walk an hour every day and burn
up 3 pounds a month, or 36 pounds a year. (47)
your age, right, now is the time to give your physical well being as
much thought as you (48) to pensions
or insurance. Walking is vital defense
(49) the ravages of degenerative diseases and aging. It is
nature’s (50) of giving you a tune-up.