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【单选题】
血管扩张药治疗心衰的药理依据主要是:A.
扩张冠脉，增加心肌供氧量
B.
减少心肌耗氧量
C.
减轻心脏的前、后负荷
D.
降低血压
E.
降低心输出量
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皮皮学刷刷变学霸
举一反三
【单选题】In the case of seat belts, instead of a simple, straightforward reduction in deaths, the end result is actually a more complicated redistribution of risk and fatalities.
A.
Seat belts reduce the death rate no matter how complicated the distribution of risk and fatalities is.
B.
Seat belts may seem to reduce the death rate, but actually the risks will exist but in a different way.
【简答题】发电机并列操作时，要求在并列瞬间的冲击电流不能超过允许值，并列后发电机应能迅速转入（）。
【简答题】What is rum made from?
【单选题】Donna dare not settle herself too comfortably into her seat in case she _________.
A.
slept through
B.
dozed down
C.
slept away
D.
dozed off
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