首页
登录
职称英语
Fifty volunteers were alphabetically divided into two equal groups, Group A
Fifty volunteers were alphabetically divided into two equal groups, Group A
游客
2025-04-23
26
管理
问题
Fifty volunteers were alphabetically divided into two equal groups, Group A to participate 【1】a 7-week exercise program, and Group B to avoid【2】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【3】of stepping up and down on a 16-inch bench【4】30 steps a minute for 5 minutes. One minute after completion of the step-test the pulse【5】of each subject was taken and recorded. This【6】as the pretest for the 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【7】for riders to ride relaxed during the first day’s ride,【8】holding on to the handle bars and foot pedals【9】the machine moved.【10】, for the next 3 days, they rode relaxed for 50 seconds of each minute, and pushed, pulled, and pedaled actively for 10 seconds of each minute. The ratio of active riding was【11】every few days,【12】by the third week it was half of each minute, and by the seventh week the riders were【13】15 solid minutes of active riding.
【14】end of the 7 weeks, the step-test was again【15】to both groups of subjects, and their pulses taken. The post-exercise pulse rates of subjects in the experimental group【16】found to have decreased a(n)【17】of 30 heart beats per minute, with the lowest decrease 28 and the highest decrease 46. The pulse rates of subjects in the control group【18】the same or changed no more than 4【19】, with a(n)【20】difference between the initial and final tests of zero. [br]
选项
A、At
B、On
C、With
D、To
答案
A
解析
at the end of是一个词组,即“在……结束的时候”。
转载请注明原文地址:https://tihaiku.com/zcyy/4050898.html
相关试题推荐
Fiftyvolunteerswerealphabeticallydividedintotwoequalgroups,GroupA
Fiftyvolunteerswerealphabeticallydividedintotwoequalgroups,GroupA
Fiftyvolunteerswerealphabeticallydividedintotwoequalgroups,GroupA
Fiftyvolunteerswerealphabeticallydividedintotwoequalgroups,GroupA
Fiftyvolunteerswerealphabeticallydividedintotwoequalgroups,GroupA
Fiftyvolunteerswerealphabeticallydividedintotwoequalgroups,GroupA
Fiftyvolunteerswerealphabeticallydividedintotwoequalgroups,GroupA
Fiftyvolunteerswerealphabeticallydividedintotwoequalgroups,GroupA
Fiftyvolunteerswerealphabeticallydividedintotwoequalgroups,GroupA
Fiftyvolunteerswerealphabeticallydividedintotwoequalgroups,GroupA
随机试题
Whatdidthepersondoeveryday?[br][originaltext]Now,Iwanttotellyo
AllofthefollowingspreadacrossthecountryEXCEPT______.[originaltext](
[audioFiles]audio_eusm_j01_183(20099)[/audioFiles]A、Unemployment.B、Familybrea
心尖朝向A.左前上方 B.左前下方 C.右后下方 D.左右下方 E.右后
情与理 ①理智,是一朵花,盛开于智慧的春风中;情感,是一阵雨,常常将这一朵花摧
血清酶活性测定时,通常采用A.两点法B.平衡法C.一点法D.速率法E.终点法
环卵沉淀试验(COPT)常用于下列何种疾病的免疫诊断?( )A.肝吸虫病 B
采取调整项目组织结构、任务分工、管理职能分工、工作流程组织和项目管理班子人员等措
克服困难的行动是意志行动的A.前提 B.核心 C.基础 D.方向 E.目
某公司于2020年4月1日购入面值为1000万元的3年期债券并分类为以摊余成本计
最新回复
(
0
)