Fifty volunteers were alphabetically
divided into two equal groups, Group A to participate in a 7 week exercise
program, and Group B to avoid deliberate (故意的,蓄意的) exercise of any sort during
those 7 weeks. On the day before the exercise program began, all 50 men
participated in a step-test. This consisted of stepping up and down on a 16-inch
bench at 30 steps a minute for 5 minutes. One minute after completion of the
step-test, file pulse rate of each subject was taken and recorded. This served
as the pretest for tile experiment. For the next 7 weeks, subjects in the
experimental group (Group A) rode an Exercycle (a motor-driven bicycle-type
exercise machine) for 15 minutes each day. The exercise schedule called for
riders to ride relaxed during the first day’s ride, merely holding on to the
handle bars and foot pedals as tile A. after every exercise period B. every day C. after the step-tests D. every time the ratio of active riding was increased
更多"{{B}}Passage Two{{/B}}
"的相关试题:
[单项选择]{{B}}Passage Two{{/B}}
Fifty volunteers were alphabetically
divided into two equal groups, Group A to participate in a 7 week exercise
program, and Group B to avoid deliberate (故意的,蓄意的) exercise of any sort during
those 7 weeks. On the day before the exercise program began, all 50 men
participated in a step-test. This consisted of stepping up and down on a 16-inch
bench at 30 steps a minute for 5 minutes. One minute after completion of the
step-test, file pulse rate of each subject was taken and recorded. This served
as the pretest for tile experiment. For the next 7 weeks, subjects in the
experimental group (Group A) rode an Exercycle (a motor-driven bicycle-type
exercise machine) for 15 minutes each day. The exercise schedule called for
riders to ride relaxed during the first day’s ride, merely holding on to the
handle bars and foot pedals as tile A. after each exercise period B. at the beginning and at the end of the seven week period C. only once, at the beginning of the seven week period D. twice to the men in Group A and once to the men in Group B
[单项选择]
A. Car owners will be encouraged to show off their wealth. B. The gap between the rich and the poor will be bridged. C. Pollution and traffic congestion will be reduced. D. People will have to stand still waiting for taxies.
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