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
41
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
Toconductsomeformsofsleepresearch,wehavetofindawaytotracksleepinessovertheday.Somepeoplemightbelievethat
Takentogether,income,occupation,andeducationaregoodmeasuresofpeople’ssocialstanding.Usingalayeredmodelofstrati
Takentogether,income,occupation,andeducationaregoodmeasuresofpeople’ssocialstanding.Usingalayeredmodelofstrati
InthefirstyearorsoofWebbusiness,mostoftheactionhasrevolvedaroundeffortstotaptheconsumermarket.Morerecentl
Therelationshipbetweenformaleducationandeconomicgrowthinpoorcountriesiswidelymisunderstoodbyeconomistsandpoliti
Thedoctor______Billy’soperationwithx-raysandspecialexercisestomakehimstronger.
Whenthereportwaspublished,variousenvironmentalgroupscriticizeditforbeingtoo
Thewordhospiceishundredsofyearsold.ItcomestousfromthetimecalledtheMiddleAgesinEurope.Religiousgroupsthen
Inthepast,competitionforjobscauseddifferent______groupstobehostiletowardeachother.
随机试题
Iwouldhavelentyousomemoney______Ididn’thavethesumyoumentionedatthattime.
常色的特征为( )客色属于( )
( )是在工程实施前的设计阶段,在保证使用功能和使用寿命的前提下,不超过没计投资并尽可能地实现节约。
由城市人民政府城市绿化行政主管部门管理的绿化包括()。
某安装工程公司承包了一套燃油加热炉安装工程,包括加热炉、燃油供应系统、钢结构、工艺管道、电器动力与照明、自动控制、辅助系统等。燃油泵的进口管道焊缝要求100%射线检测,因阀门和法兰未到货,迟迟未能焊接,为了不影响单机试运行的进度要求,阀门和法兰到
商业贿赂行为,是指经营者在市场交易活动中,为争取交易机会,特别是为获得相对于竞争对手的市场优势,通过秘密给付财物或者其他报偿等不正当手段收买客户的负责人、雇员、合伙人、代理人和政府有关部门工作人员等能够影响市场交易的有关人员的行为。 根据
汇率变动会对经济主体产生重要影响,下列经济主体可从本国货币升值中获益的是()。
根据下面材料回答下列题。某省经初步核算,2013年全年实现地区生产总值(GDP)14370.16亿元。分产业看,第一产业增加值188.45亿元,同比增长3.7%;第二产业增加值7276.68亿元,同比增长12.7%;第三产业增加值6905.03亿
设f’(ex)=x2e—x,且f(1)=1,则f(x)=[].
确定测试基线属于()活动。
最新回复
(
0
)