室间隔缺损,最常见的部位是()
A.室间隔膜部(室上嵴下型)
B.室间隔肌部
C.房室共同道型缺损
D.室上嵴上型(流出道型)
E.隔瓣后型(流入道型)
参考答案:A
Various experiments have been carried out to _____ the proper way to raise children. [ ]
A. make
B. fight
C. work
D. seek
At the foot of the mountain .
A.a village lie
B.lies a village
C.does a village
D.lying a village