[单项选择]{{B}}Passage Two{{/B}}

Fifty volunteers were alphabetically divided into two equal groups, Group A to participate in a 7 week exercise program, and Group B to avoid deliberate (故意的，蓄意的) 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 consisted of stepping up and down on a 16-inch bench at 30 steps a minute for 5 minutes. One minute after completion of the step-test, file pulse rate of each subject was taken and recorded. This served as the pretest for tile 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 called for riders to ride relaxed during the first day’s ride, merely holding on to the handle bars and foot pedals as tile A. after each exercise period B. at the beginning and at the end of the seven week period C. only once, at the beginning of the seven week period D. twice to the men in Group A and once to the men in Group B 查看答案 更多"{{B}}Passage Two{{/B}} "的相关试题: [单项选择]{{B}}Passage Two{{/B}} Fifty volunteers were alphabetically divided into two equal groups, Group A to participate in a 7 week exercise program, and Group B to avoid deliberate (故意的，蓄意的) 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 consisted of stepping up and down on a 16-inch bench at 30 steps a minute for 5 minutes. One minute after completion of the step-test, file pulse rate of each subject was taken and recorded. This served as the pretest for tile 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 called for riders to ride relaxed during the first day’s ride, merely holding on to the handle bars and foot pedals as tile A. after every exercise period B. every day C. after the step-tests D. every time the ratio of active riding was increased 查看答案 [单项选择] Passage Two A. Car owners will be encouraged to show off their wealth. B. The gap between the rich and the poor will be bridged. C. Pollution and traffic congestion will be reduced. D. People will have to stand still waiting for taxies. 查看答案 我来回答: 提交 最新试题 ●    [多选题]提升（顶升）抱杆时，不得少于（　　）腰环，腰环固定钢丝绳应呈（　　），同时应设专人指挥。 ●    [填空题]氯化钠溶解度随温度的上升而（ ）。 ●    [填空题]口头请示报告应当做好（ ）,确保有据可查。非紧急情况、重大事项处理处于相对成熟阶段 ●    [单选题] 离心泵转速降低10%时，其输送流量，扬程和轴功率与转速降低前比值是以下哪组数值？( ●    [多选题]消防设施投入使用后，应处于正常工作状态。消防设施的电源开关、管道阀门，均应处于正常运行位置 ●    [单选题]货车车轴、车轮、轮对、轴承实行质量保证，时间统计精确到（ ）。 网站地图 我要搜题网  版权所有  ©2024  湘ICP备18016427号   购买搜题卡查看答案 [会员特权] 开通VIP， 查看 全部题目答案 [会员特权] 享免全部广告特权 推荐91天 ¥36.8 ￥80元 31天 ¥20.8 ￥40元 365天 ¥88.8 ￥188元 请选择支付方式 微信支付 支付宝支付 点击支付即表示同意并接受了《购买须知》 立即支付 系统将自动为您注册账号 已有账号登录 找回账号密码 请使用微信扫码支付 订单号： 截图扫码使用小程序[完全免费查看答案] 前往小程序 请不要关闭本页面，支付完成后请点击【支付完成】按钮 支付完成 取消支付 恭喜您，购买搜题卡成功 系统为您生成的账号密码如下： 账号 密码 重要提示：请拍照或截图保存账号密码！ 我要搜题网官网：https://www.woyaosouti.com 我已记住账号密码