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
13
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
IBMresearchersareattemptingtowarmuphuman-computerrelationships.For
团购groupbuying;collectivebuying
[originaltext]W:Haveyoufinishedreadingmyresearchreport?Iputitonyour
TheDemocrats’TradeTroublesLastweekHousespeakerNancyPelosiandC
客家山歌(Hakkahillsong)是中国民歌的一种,用客家方言演唱,主要流传于广东、广西、台湾等客家人聚居的地方。客家山歌起源于唐代(theT
胶凝材料按其化学组成,可分为有机胶凝材料与无机胶凝材料,下列属于有机胶凝材料的是
通常使用自动化免疫分析仪测定OCV应A.>10% B.>15% C.
有关肠原型发绀的描述哪项错误A.饮用井水可诱发肠原型发绀 B.发绀与症状不成比
如果不顾学生的年龄特征和接受能力,在教育工作中搞“一刀切”“一锅煮”,让孩子同成
个人贷款的贷款要素包括()。 A.担保方式B.贷款利率 C.
最新回复
(
0
)