【单选题】A micrometer with ∆ ins =0.004mm is used to measure the diameter of a steel ball only once, what is the absolute uncertainty of the measured result?
【简答题】万利家具公司为中档卧室家具生产企业,成立于1995年,并于2000年在深圳证券交易所公开发行股票及上市。万利家具公司2005年至2010年间分店数量、职工人数、收入总额及税前利润数据如下: 鉴于2011年第一季度税前利润继续下滑,万利家具公司董事会于2011年5月召开扩大会议,销售总监***设计师与采购总监李工、财务总监王农等均参加了会议。 在讨论到万利家具公司未来发展时,认为,万利家具公司...
【简答题】A mercury manometer at 21.1(°C) reads 26.5 (cm). The local acceleration of gravity is 9.79(m)/(s)2. The barometer (brass scale) also at 21.1(°C) reads 74.19 (cm) of mercury . What is the absolute pres...
【单选题】In Fig. FE2.3, if the oil in region B has SG=0.8 and the absolute pressure at point A is 1 atm, what is the absolute pressure at point B?
【单选题】The gauge pressure inside a container is -0.5kg/cm2, then what is the absolute pressure exerted to the inside suce of this container?
【判断题】等级高的产品售价高,为了增加利润;等级的产品售价低,则减少了利润。
【单选题】What is the absolute phrase in this sentence? Her kids tucked into bed, Jane could finally go to sleep.
A.
Her kids tucked into bed
C.
Jane could finally go to sleep