肺门舞蹈征最多见于哪种先天性心脏病（）
A.动脉导管未闭
B.室间隔缺损
C.房间隔缺损
D.法洛四联征
E.艾森曼格综合征
参考答案：C
—Why didn't Tom come to school today?
—Sorry, I don't know______ come and later I'll give him a call. [ ]
A. why didn't he
B. why he didn't
C. why did he
D. why he
社会工作价值观的主要内容包括（）
A.追求社会公平
B.尊重个 * * 益
C.强调党的领导
D.相信人的潜能
E.促进个人发展
