皮皮学,免费搜题
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搜题
【单选题】
病人,男性,49岁,冠心病史5年,以“胸闷、剧烈胸痛半小时,伴大汗”为主诉来诊,进入抢救室后,心电监护示波显示“QRS波群消失,以大小不等、形态各异的颤动波,频率为300次/分”。此时应立即采取的最恰当的急救措施是( )
A.
按压人中,同时立即给予气管插管
B.
应用单项波除颤器:连续除颤3次,能量200J、300J和360J
C.
应用单项波除颤器:除颤1次,能量360J
D.
气管插管,胸外按压
E.
立即给予肾上腺素0.5~1mg静脉注射
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【判断题】心肌损伤时心电图仅出现T波倒置。
A.
正确
B.
错误
【单选题】Why the gossip is annoying in the workplace?
A.
Because the gossip is too noisy.
B.
Because the gossip keep missing.
C.
Because the gossip is bad for the spirit of the workplace.
D.
Because the gossip is late for everything.
【单选题】Which one is NOT TRUE about gossip according to the article?
A.
Sharing gossip is always destructive to a work environment.
B.
It’s not 'Unprofessional' to gossip at work.
C.
If a few people know what’s really going on, gossip becomes the means of spreading that information to everyone else.
D.
Research show that gossip often reduces individuals’ anxiety and helps them cope with uncertainty.
【单选题】以支票、股权、知识产权等价值为标的的担保形式称为()。
A.
保证
B.
抵押
C.
质押
D.
留置
【单选题】设x,y,z满足约束条件组 x+y+z=1 3y+z≥2 0≤x≤1 0≤y≤1 ,求u=2x+6y+4z的最大值和最小值(  )
A.
8,3
B.
4,2
C.
6,4
D.
1,0
【单选题】设区域D={(x,y)|-1≤x≤1,-2≤y≤2), ( )
A.
0
B.
2
C.
4
D.
8
【单选题】160km/h 以下区段接触网的之字值限界值为( )
A.
400mm
B.
450mm
C.
475mm
D.
500mm
【简答题】连词成句。 1.the, school, to, next, is, the, Chinese bank ______________________________________. 2. likes, reading, listening, music, to, she, and ______________________________________. 3. the, know, old...
【单选题】以支票、股权、知识产权等价值为标的的担保形式,在法律上可归入哪一种担保类型?( )
A.
留置
B.
质押
C.
保证
D.
抵押
【单选题】设s=8,t=7,x=6,y=5,下列表达式的值是 4>3 * t Or s = x And t <> x Or x > y
A.
1
B.
True
C.
False
D.
2
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