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【单选题】
有一个老人在家做健身操时,胸痛发作,立即含服硝酸甘油疼痛未缓解,心电图发现,V1、V2、V3、V4导联出现深而宽的Q波,ST段抬高>0. 3mV,诊断为:A.
急性心绞痛
B.
急性心梗
C.
中风
D.
早搏
E.
心肌炎
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参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
【简答题】A) still late B) too late C) so late D) past
【简答题】螺纹升角ψ增大,联接的自锁性__,传动效率__;牙型角α增大,则联接的自锁性__,传动效率__。 (供选项:A.提高 B.不变 C.降低)
【单选题】His parents told him not ________. [ ]
A.
be late
B.
to late
C.
to be late
D.
be to late
【单选题】'Late (late, late, late!)nights are the norm' (Para. 5)is closest in meaning to '______.'
A.
She works more efficiently at night
B.
She often reads story books at night
C.
She usually works late into the night
D.
She normally mails packages at night
【单选题】The earthquake happened in ______.
A.
late 1960s
B.
the late of 1960s
C.
late of 1960s
D.
late of the 1960s
【简答题】螺纹升角ψ增大，则联接的自锁性（），传动的效率（）。
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