法洛四联症是指（）
A.肺动脉狭窄
B.主动脉骑跨
C.房间隔缺损
D.室间隔缺损
E.右室肥厚
参考答案：A, B, D, E
Sorry, these two tables are already ______. You may book the one over there.
A．preserved
B．deserved
C．observed
D．reserved
简述推荐表与求职信、推荐信的区别。
