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【单选题】
可致心肌传导性降低的因素是A.
心肌纤维增粗
B.
0 期去极速度增大
C.
0 期去极幅度增大
D.
邻近末兴奋部位细胞膜处于超常期
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举一反三
【简答题】二、完形填空(20%) Living one’s life is really like driving on a highway. First, to make a good driving, the driver must carefully examine the 31 of his car, just as he cares for his health for a good life. ...
【单选题】患者男,左手无名指患脓性指头炎,拟在神经阻滞麻醉下行切开引流术。为预防局麻药毒性反应,哪一项护理措施是不正确的
A.
局麻药须限量使用
B.
局麻药浓度不能过高
C.
防止局麻药注入血管
D.
常规麻醉用药
E.
麻醉药中加少量肾上腺素
【单选题】. The dictionary published by Oxford University Press recently has really ______ because it is of great use to the learners of English.
A.
taken away
B.
taken down
C.
taken off
D.
taken out
【单选题】According to the author, one of the driving forces behind M&.A wave is ______.
A.
the greater customer demands
B.
a surplus supply for the market
C.
a growing productivity
D.
the increase of the world's wealth
【单选题】The very idea_________a man can think of driving in such a state is really unthinkable.
A.
which
B.
if
C.
what
D.
that
【单选题】I regret _____ you that Tom failed to pass the driving test and that he really regretted ______ your advice on practicing more.
A.
to tell; not following
B.
to tell; having not followed
C.
telling; not to follow
D.
telling; not having followed
【简答题】矩形又叫箱形,也是一种典型的??,股票价格在两条横着的??之间上下波动,呈现横向延伸的运动。
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