【单选题】患者,男性,48岁,突感心悸,气短3天。心电图检查为P-R间期逐渐延长,最后脱落一组QRS波群,最可能诊断是( )
【单选题】操作系统主要有五种功能:进程管理、存储管理、文件管理、设备管理和_______。
【单选题】操作系统主要有五种功能:进程管理、存储管理、文件管理、设备管理和_______。
【单选题】The next part of the passage would most probably deal with ______.
A.
Some information about the coppersmith.
B.
The similarities and differences between coppersmith and silversmith.
C.
Some other outcomes with the expanding of merchant class.
D.
The disappear of traditional jobs as coppersmith and silversmith.
【单选题】患者,男性,48岁,突感心悸,气短3天。心电图检查为P-R间期逐渐延长,最后脱落一组QRS波群,最可能诊断是( )