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【单选题】
下列各组物质能组成缓冲溶液的是( )A.
HCl和NaCl溶液
B.
NH 4 Cl和HCl溶液
C.
NaAc和HAc溶液
D.
Na 2 SO 4 和H 2 SO 4 溶液
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举一反三
【简答题】A．Traveling around the world. B．Having a rest after a day's work. C．Going on business trip. D．Working in their company.
【简答题】A．The active volcanoes in the Antarctic. B．The icebergs and volcanoes around the world. C．How to pr the eruption of volcanoes. D．Volcano can protect ice sheet from melting.
【简答题】A．The level of education varies around the world. B．The economists' attitudes to population differ greatly. C．The living standard varies from country to country. D．The countries' attitudes to populati...
【单选题】患者女性,45岁,因车祸导致外伤,大量失血,收住院治疗。医生对伤口进行清创缝合处理并给予输血。患者男性,股骨颈骨折医院30天,出院3个月后,出现食欲不振、恶心、厌油、上腹部不适、腹胀等症状,经确诊为急性乙型肝炎。此感染属于( )
A.
自身感染
B.
院外感染
C.
外源性感染
D.
入院前感染
E.
细菌感染
【简答题】A．Where the countries are. B．How to make a travel around the world. C．What he told about is quite true. D．How to find the black stone for cooking.
【单选题】患者女性,45岁,因车祸导致外伤,大量失血,收住院治疗。医生对伤口进行清创缝合处理并给予输血。第二天,家属在处理患者衣服上的血渍时,护士建议其选用的清洗溶液是( )
A.
乙醇
B.
草酸
C.
维生素C
D.
过氧化氢
E.
过氧乙酸
【简答题】A.Where the countries are. B.How to make a travel around the world. C.What he told about is quite true. D.How to find the black stone for cooking.Passage Three
【简答题】患者女性，45岁，因车祸导致外伤，大量失血，收住院治疗。医生对伤口进行清创缝合处理并给予输血。 第2天，家属在处理患者衣服上的血渍时，护士建议其选用的清洗溶液是A. 1111MicrosoftInternetExplorer402DocumentNotSpecified7.8 磅Normal0乙醇B. 1111MicrosoftInternetExplorer402DocumentNotSpeci...
【简答题】A．Traveling around the world. B．Having a rest after a day's work. C．Going on business trip. D．Working in their company.
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