[单项选择]

In the fall 2006, the National Basketball Association (NBA) started using basketballs made with synthetic, or manmade material instead of leather. They made the switch because they wanted every basketball they use to feel and bounce the same. However, some players complained right away that the new balls bounced differently and were actually harder to control than leather ones. Dallas Mavericks owner Mark Cuban asked for help the Department of Physics at the University of Texas. The scientists investigated friction that affects the ability of a player to hold onto a ball. "The greater the friction, the better it will stick to his hand," explains Horwitz, one of the physicists who worked on the project. Tests on both wet and dry balls showed that while the plastic ball was easier to grip when dry, it had less friction and became much harde A. NBA players had used the leather balls for too long a time B. NBA officials wanted a switch with which to start a reform C. they emphasized that synthetic materials are manmade D. they wanted every basketball to feel and bounce the same 查看答案 更多"In the fall 2006, the National Ba"的相关试题: [单项选择] In the fall 2006, the National Basketball Association (NBA) started using basketballs made with synthetic, or manmade material instead of leather. They made the switch because they wanted every basketball they use to feel and bounce the same. However, some players complained right away that the new balls bounced differently and were actually harder to control than leather ones. Dallas Mavericks owner Mark Cuban asked for help the Department of Physics at the University of Texas. The scientists investigated friction that affects the ability of a player to hold onto a ball. "The greater the friction, the better it will stick to his hand," explains Horwitz, one of the physicists who worked on the project. Tests on both wet and dry balls showed that while the plastic ball was easier to grip when dry, it had less friction and became much harde A. They felt that the new balls were worse than the leather balls. B. They thought differently about the leather balls. C. They felt much more comfortable with the synthetic balls. D. They believed the new balls would soon be replaced. 查看答案 [填空题]I like playing basketball best. Basketball is my ______. 查看答案 [填空题]Basketball players demands 查看答案 [填空题]My son is playing basketball now. Basketball ______ ______ ______by my son. 查看答案 [简答题] Although Henry Ford’s name is closely associated with the concept of mass production,he should receive equal credit for introducing labor practices as early as 1913 that would be considered advanced even by today’s standards. Safety measures were improved, and the workday was reduced to eight hours, compared with the ten-or-twelve-hour day common at the time. In order to accommodate the shorter work day, the entire factory was converted from two to three shifts. In addition, sick leaves as well as improved medical care for those injured on the job were instituted. (47)The Ford Motor Company was one of the first factories to develop a technical school to train specialized skilled laborers and an English language school for immigrants. Some efforts were even made to hire the handicapped and provide jobs for former convicts. (48)The most widely acclaimed innovation was the five-dollar-a-day minimum wage that was offered in order to recruit and r 查看答案 [填空题]RS-232C是由美国电子工业协会(EIA：Electronic Industries Association)推荐的标准接口，它是应用于______交换的数据通信设备和数据终端设备之间的标准接口。 查看答案 [单项选择] 第一篇 The National Trust 　　The National Trust in Britain plays an increasingly important part in the preservation for public enjoyment of the best that is left unspoiled of the British countryside. Although the Trust has received practical and moral support from the Government, it is not a rich government department. It is a voluntary association of people who care for the unspoiled countryside and historic buildings of Britain. It is a charity which depends for its existence on voluntary support from members of the public. Its primary duty is to protect places of great natural beauty and places of historical interest. 　　The attention of the public was the first drawn to the dangers threatening the great old houses and the castles of Britain by the death of the Lord Lothian, who left his great seventeenth-century house to the Trust together with the 4500-acre park and estate surrounding it. This gift attracted wide publicity and started the Trust’s “Country Ho A. Government agency depending on voluntary services. B. Non-profit organization depending on voluntary services. C. Government department but is not rich. D. Private organization supported by the government. 查看答案 我来回答: 提交 最新试题 ●    [判断题]泵的两个重要指标是流量、扬程。 ●    [单选题][T]B-B-C-A-015 3 2 1QS-650K清筛机振动筛中层筛网网孔的尺寸（ ●    [多选题]客车上水工应熟悉岗位（ ）。 ●    [判断题]子女放弃继承权,可以免除赡养父母的义务。( ) ●    [单选题]诊断甲亢的主要依据是( ) ●    [单选题]部属货车中,( )用于运送原油、润滑油等黏度较大的油类。 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