以下病变不属于肺先天性疾病的是()
A.肺动静脉瘘
B.肺隔离症
C.胰肺囊性纤维化
D.一侧肺不发育
E.肺气肿
参考答案:E
To their great joy, the day they looked forward to__________at last.
A.coming
B.came
C.comes
D.come
4,9,25,64,()
A.81
B.100
C.121
D.144