在春节期间的拥政爱民活动中,解放军战士吴大海为五保户王大爷扛去质量为50kg的大 发布时间:2017-07-08 14:16 │ 来源:www.tikuol.com 题型:问答题 问题: 在春节期间的拥政爱民活动中,解放军战士吴大海为五保户王大爷扛去质量为50kg的大米,请你用力的图示表示,吴大海匀速行走时,对大米的作用力F.(不计空气阻力,g=10N/kg)
题型:问答题 An energy analyst forecasts that the price per barrel of crude oil five years from now will range between $ 75 and $105. Assuming a continuous uniform distribution, the probability that the price will be less than $ 80 five years from now is closest to:()A. 5.6%.B. 16.7%.C. 44.4%. 查看答案
题型:问答题 患者,男性,60岁。患风湿性关节炎,口服泼尼松和多种非甾体抗炎药5个月,近日突发自发性胫骨骨折,其原因可能与哪种药物有关()A.阿司匹林B.吲哚美辛C.布洛芬D.泼尼松E.保泰松 查看答案