胸部X线检查，肺门舞蹈征多见于哪种先天性心脏病（）
A.房间隔缺损
B.室间隔缺损
C.动脉导管未闭
D.法洛四联症
E.艾森曼格综合征
参考答案：A
Remember never to ask a European and an American personal questions. It is almost certain
that they ______ for it . [ ]
A. are not prepared
B. don't prepare
C. haven't prepared
D. are not preparing
酶原
