【单选题】使用混合溶剂重结晶,在使用吸滤瓶+布氏漏斗进行过滤分离时,有时观察到吸滤瓶中 有少量固体出现,其最可能的原因是( )
【单选题】When does the next driving course start?
【单选题】患者男性,57 岁,头部外伤后昏迷 2 小时,曾呕吐数次。人院测血压 150/80mmHg,脉搏 60 次/分,呼吸 12 次/分。考虑“脑挫裂伤”,给予非手术治疗。为及时发现小脑幕切迹疝,应重点观察( )
【简答题】The following trial balance relates to Xtol at 31 March 2014: The following notes are relevant: (i) Revenue includes an amount of $20 million for cash sales made through Xtol’s retail outlets during t...
【简答题】The following trial balance relates to Highwood at 31 March 2011: The following notes are relevant: (i) An equity dividend of 5 cents per share was paid in November 2010 and charged to retained earnin...
【单选题】销售或进口的以下货物,税率为 13%的是( )
【单选题】患者,男,57岁,头部外伤后昏迷2小时,喷射性呕吐数次,呼吸10次/分,脉搏56次/分,血压160/80mmHg,考虑“脑挫裂伤”,给予非手术治疗,未发现小脑幕切迹疝,应重点观察
【单选题】下列各项中,不属于市场失灵的主要原因的是( )