【单选题】设某企业上期实际销售量为50000件,上期预测销售量为55000件,本期实际销售量为53000件,平滑系数为0.5,则下期的预测销售量为()
【单选题】象征着希望、 生命、青春、和平,同时也象征阴暗的颜色是
【单选题】象征着希望、生命、青春、和平,同时也象征阴暗的是()。
【单选题】游程编码(RLE)是一种________的压缩方式。
【简答题】A、B、C、D、E五种溶液分别是NaOH、NH 3 ·H 2 O、CH 3 COOH、HCl、NH 4 HSO 4 中的一种。常温下进行下列实验: ①将1 L pH=3的A溶液分别与0.001mol/L xL B溶液、0.001mol/L yL D溶液充分反应 ②浓度均为0.1mol/LA和E溶液,pH:A ③浓度均为0.1 mol/LC与D溶液混合,溶液呈酸性。 回答下列问题: (1)D是___...
【简答题】Part 2 3 Not long after the telephone was invented, I assume, a call was placed. The caller was a parent saying, “Your child is bullying my child, and I want it stopped!” the bully’s parent replied, “...
【判断题】一般心理技能是指适合于某一专项所必须掌握的心理技能
【判断题】设某企业上期实际销售量50000件,上期预测销售量为55000件,本期实际销售量为53000件,平滑系数为0.5,则下期的预测销售量为54000件。()
【单选题】设某企业上期实际销售量为50000件,上期预测销售量为40000件,平滑系数0.4,则下期预测销售量为
【简答题】翻译: For instance, s usually wants to learn a foreign language in a hurry, unlike children, who can devote more time to language y. Because most s do not like to appear foolish, they of...