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【单选题】
患者,女性。65岁,因阵发性胸闷8年,持续胸痛8小时收入院。入院时血压为150/90mmHg,诊断急性前壁心肌梗死。支持诊断的心电图改变为A.
Ⅱ.Ⅲ.AVF导联出现异常Q波,伴ST段弓背向上抬高
B.
V1~V4导联出现异常Q波伴ST段弓背向上抬高
C.
I.AVL导联出现肺性P波
D.
频发室性期前收缩
E.
三度房室传导阻滞
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举一反三
【简答题】One disadvantage of ______ is that they can make a company feel protected from attack even though the system is not perfect.
【简答题】公共物品的非排他性意味着可能形成( )现象，即免费享用公共物品的利益。
【简答题】Li Yan was not happy with the second one, what did she feel uncomfortable?
【单选题】One reason why women with no career may seek a divorce is that______.
A.
they feel that they have been robbed of their freedom
B.
they are afraid of being bossed around by their husbands
C.
they feel that their partners fail to live up to their expectations
D.
they tend to suspect their husbands' loyalty to their marriage
【单选题】According to the passage, it makes one feel ______ to be unemployed.
A.
serious
B.
shameful
C.
strange
D.
obvious
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