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【多选题】
[多-内科护理学] 下列各项中,属于房颤心电图特征的是A.
P波消失
B.
出现f波
C.
QRS波形态正常
D.
心室率在100~160次/分
E.
f波频率350~600次/分
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反馈参考答案：
举一反三
【简答题】秦朝推行的进步文教政策为( )。
【单选题】We need more men of culture and enlightment because we have too many ______ among US.
A.
students
B.
laymen
C.
pragmatists
D.
philosophers
【单选题】We do not have a _______ school in our institute The highest degree we provide for the students is a B A and a B S
A.
continue
B.
bay
C.
assistance
D.
graduate
【单选题】We __________ in the same school since three years ago.
A.
study
B.
were studying
C.
will study
D.
have studied
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