首页
外语
计算机
考研
公务员
职业资格
财经
工程
司法
医学
专升本
自考
实用职业技能
登录
外语
Fifty volunteers were alphabetically divided into two equal groups, Group A to participate【C1】______a 7-week exercise program, a
Fifty volunteers were alphabetically divided into two equal groups, Group A to participate【C1】______a 7-week exercise program, a
admin
2019-01-06
20
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)r°de an Exercycle(a motor-driven bicycle-type exercise machine)for 15 minutes each day. The exercise schedule【C7】______for riders to ride relaxed during the first day’s ride,【C8】______jholding 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 the 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."
【C17】
选项
A、stage
B、step
C、average
D、rate
答案
C
解析
an average of是一个词组,即“平均”,此处用来指组内所有成员测量后的平均结果,而rate表现不出这种平均的结果。
转载请注明原文地址:https://kaotiyun.com/show/FVUO777K
0
考博英语
相关试题推荐
Goodleadershiprequiresyoutosurroundyourselfwithpeopleof______perspectiveswhocandisagreewithyouwithoutfeatofrev
Toconductsomeformsofsleepresearch,wehavetofindawaytotracksleepinessovertheday.Somepeoplemightbelievethat
Takentogether,income,occupation,andeducationaregoodmeasuresofpeople’ssocialstanding.Usingalayeredmodelofstrati
Takentogether,income,occupation,andeducationaregoodmeasuresofpeople’ssocialstanding.Usingalayeredmodelofstrati
InthefirstyearorsoofWebbusiness,mostoftheactionhasrevolvedaroundeffortstotaptheconsumermarket.Morerecentl
Therelationshipbetweenformaleducationandeconomicgrowthinpoorcountriesiswidelymisunderstoodbyeconomistsandpoliti
Therelationshipbetweenformaleducationandeconomicgrowthinpoorcountriesiswidelymisunderstoodbyeconomistsandpoliti
Computerprogrammersoftenremarkthatcomputingmachines,withaperfectlackofdiscrimination,willdoanyfoolishthingthey
Oneofthe______ofthetrainingprogramisthatitenablestheyoungpeopletobebettercandidatesforemployment.
Thisstateresearchprogramismadeupoftwofunds,______couldlastfortwoyears.
随机试题
()起全面取消农业税,标志着一个在我国存在两千多的古老税种宣告终结。
简述劳务收入的确认条件。
20世纪80年代,医院药学处于
特种设备使用单位应当()
某机械制造企业2015年产品销售收入4000万元,销售材料收入200万元,处置旧厂房取得收入50万元,转让某项专利技术所有权取得收入300万元。业务招待费支出50万元,所得税前准予扣除的业务招待费为()万元。
乙污水处理厂是由甲环保工程有限公司(以下简称甲公司)投资实施的“BOT”项目。于2012年开始建设,2014年年底完工,2015年1月开始通水运行。该厂总规模为月处理污水120万吨。该厂建设总投资3600万元,特许经营期为25年。经营期间,当地政府按处理每
马克思主义哲学同具体科学的关系是()。
2007年以来,北京地铁不分路途远近,不管是否换乘,票价一律两元,2013年3月8日,北京地铁客运量首次突破1000万人次,并稳定下来,早晚上下班高峰时段,地铁站台内等四五趟车是家常便饭,于是有人提议:地铁票价应该上涨,通过价格杠杆来分散高峰时段客流压力
A、Theydidn’twanttodressconservatively.B、Theysmokedmorecigarettesthanbefore.C、Theyonlydrankwinewithpeersinpubl
Overthepastdecade,therehasbeenaseachangeinChina’seconomicpolicies.Likeotherdevelopingcountrieswhichareattemp
最新回复
(
0
)