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【单选题】
(8-10题共用题干),35岁。咳嗽1,近2日咯血数次,每次咯血量不等,最多一次达300ml。听诊患者左侧肺上部呼吸音减弱,病人精神紧张。 (3)这时护士应首先采取的措施是
A.
开放静脉通道
B.
立即通知医师
C.
判断病人昏迷程度
D.
给予高流量吸氧
E.
立即采取头低足高45°俯卧位,面部侧向一边,轻拍背部
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【单选题】某钻孔灌注砼桩25根,桩径Φ900mm,设计桩长28m,入岩(较软岩)1.5m,自然地面标高-0.6m,桩顶标高-2.60m,C30砼现场自拌,根据地质情况岩石孔砼充盈系数为1.1,已知管理费和利润的费率为11%和7%,请按上述条件和14计价定额的规定,确定往岩石孔中灌注混凝土的定额综合单价( )元/m3。
A.
417.92
B.
421.18
C.
458.83
D.
469.92
【单选题】给出下列化合物的偶极矩大小顺序 A. CH 3 CH 2 Cl B. CH 3 CH 2 Br C. CH 3 CH 2 CH 3 D. CH 3 CH 2 CN
A.
D>A>B>C
B.
A>B>D>C
C.
A>B>C>D
D.
B>A>D>C
【单选题】给出下列化合物的偶极矩大小顺序( )。【图片】
A.
D>A>B>C
B.
A>B>C>D
C.
B>A>D>C
D.
A>B>D>C
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【单选题】给出下列化合物的偶极矩大小顺序( )。
A.
B>A>D>C
B.
A>B>D>C
C.
D>A>B>C
D.
A>B>C>D
【单选题】给出下列化合物的偶极矩大小顺序( )。
A.
A>B>C>D
B.
D>A>B>C
C.
B>A>D>C
D.
A>B>D>C
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【单选题】某钻孔灌注砼桩25根,桩径Φ900mm,设计桩长28m,入岩(较软岩)1.5m,自然地面标高-0.6m,桩顶标高-2.60m,C30砼现场自拌,根据地质情况土孔砼充盈系数为1.25, 已知管理费和利润的费率为11%和7%,请按上述条件和14计价定额的规定,确定往土孔中灌注混凝土的定额综合单价( )元/m3。
A.
473.46
B.
421.18
C.
458.83
D.
469.92
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