动脉导管未闭X线检查哪项不正确()
A.导管细的患者可无异常发现
B.分流量大的患者左室、左房增大,肺动脉段突出
C.肺血增多
D.肺门舞蹈
E.主动脉影缩小
参考答案:E
David plays basketball well, _____ his favorite sport is badminton. [ ]
A. yet
B. or
C. so
D. for
协助查询存在哪些风险点?