【简答题】如图,P是反比例函数图象上一点,且矩形PAOB的面积为4, 则反比例函数的 解析式是____.
【单选题】女性,53岁。呕血、便血6小时,量约2000ml。肝炎后肝硬化病史10年。查体:P130次/分,BP85/50mmHg。巩膜轻度黄染,腹平软,脾肋下7cm,移动性浊音阳性。考虑为食管胃底静脉曲张破裂出血,并立即给予三腔双囊管压迫止血处理。三腔双囊管压迫止血,应注意的事项是()
C.
气囊排空后,观察12~24小时,如不出血,可考虑拔除
D.
密切观察患者呼吸,防止三腔双囊管脱出,导致窒息
【单选题】已知集合P={1,2},那么满足Q是P的子集的集合Q的个数为
【单选题】张琪平时喜欢安静的环境,喜欢独处,觉得这样的状态很舒服。她喜欢看文艺电影,很容易就被电影里面的情节牵动情绪。她可能是哪种气质类型?
【多选题】导游人员在引导旅游者旅行,游览过程中,应当就可能危及旅游者人身、财务安全的情况( )。
【多选题】导游人员在引导旅游者旅行游览过程中,应当就可能发生的危及旅游者人身、财产安全的情况,履行()义务。
【单选题】用索氏提取法测定鱼肉样品时,作为脂肪提取剂应选择( )。
【单选题】Why does the captain change his mind and ask Maria to stay?
A.
Because he has secretly made a plan to marry her.
B.
Because he realizes how Maria has been helpful and he is thankful to her for trying hard to bring music and joy back to the family.
C.
Simply because he feels he wouldn’t be able to find someone like Maria to be his children’s governess.
【单选题】李某,女,55岁,子宫肌瘤,次日上午手术。患者睡眠不佳,医嘱∶地西泮5 mg im sos 此医嘱属于哪类医嘱
【单选题】Why does the captain apologize to the woman right after he finishes singing?
A.
Because the singing performance to the baroness is successful.
B.
Because he wants to be polite so that she will continue to teach his children to sing.
C.
Because he enjoys being close with his children by singing with them.