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
2023-12-27
56
管理
问题
Fifty volunteers were alphabetically divided into two equal groups, Group A to participate【C1】______a 7-week exercise program, and Group B to avoid【C2】______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【C3】______of stepping up and down on a 16-inch bench【C4】______30 steps a minute for 5 minutes. One minute after completion of the step-test the pulse【C5】______of each subject was taken and recorded. This【C6】______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 15minutes each day. The exercise schedule【C7】______for riders to ride relaxed during the first day’s ride,【C8】______holding on to the handle bars and foot pedals【C9】______the machine moved.【C10】______, 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【C11】______every few days,【C12】______by the third week it was half of each minute, and by the seventh week the riders were【C13】______15 solid minutes of active riding.
【C14】______end of the 7 weeks, the step-test was again【C15】______to both groups of subjects, and their pulses taken. The post-exercise pulse rates of subjects in the experimental group【C16】______found to have decreased a(n) 【C17】______of 30 heart beats per minute, with the lowest decrease 28 and th highest decrease 46. The pulse rates of subjects in the control group【C18】______the same or changed no more than 4【C19】______, with a(n) 【C20】______difference between the initial and final tests of zero. [br] 【C6】
选项
A、performed
B、served
C、used
D、employed
答案
B
解析
serve as是一个词组,“作为”。
转载请注明原文地址:https://tihaiku.com/zcyy/3308829.html
相关试题推荐
Twogroupsofpeoplearecomparedinthethirdstudy.TheyarepeopleA、withless
Fiftyvolunteerswerealphabeticallydividedintotwoequalgroups,GroupA
Fiftyvolunteerswerealphabeticallydividedintotwoequalgroups,GroupA
Fiftyvolunteerswerealphabeticallydividedintotwoequalgroups,GroupA
Fiftyvolunteerswerealphabeticallydividedintotwoequalgroups,GroupA
Fiftyvolunteerswerealphabeticallydividedintotwoequalgroups,GroupA
Fiftyvolunteerswerealphabeticallydividedintotwoequalgroups,GroupA
Fiftyvolunteerswerealphabeticallydividedintotwoequalgroups,GroupA
Fiftyvolunteerswerealphabeticallydividedintotwoequalgroups,GroupA
Fiftyvolunteerswerealphabeticallydividedintotwoequalgroups,GroupA
随机试题
A—hospitalB—registrationofficeC—emergencyroomD—heartattackE—occupationdi
J根据conformtothebeautystandards和blamethemfordoingso定位到J段。女性常常面临这样进退两难的境地:
HowDoYouSeeDiversity?A)Asamanager,Tiffanyisres
轻钢龙骨石膏板吊顶施工时应注意伸缩缝的留置,下列区域可以不预留伸缩缝的是()A
用聚乙二醇制备软膏基质时常采用不同分子量的聚乙二醇混合应用,其目的是A.增加药
10001
把下面的六个图形分为两类,使每一类图形都有各自的共同特征或规律,分类正确的一项是
下列关于有效率的资产组合,说法正确的有() A.它是效率前沿曲线上的资产组合
甲某日凌晨两点骑车从某超市门口经过,发现超市的卷帘门开着(事后无法查明卷帘门打开
甲公司2×17年至2×18年一项办公楼的建造合同,相关业务发展情况如下:
最新回复
(
0
)