先天性巨结肠的最常见的并发症是()
A.小肠结肠炎
B.腹膜炎
C.肠穿孔
D.败血症
E.肠梗阻
参考答案:A
The strange man went out with a word “God bless you”,________ me astonished there.[ ]
A.making
B.leaving
C.getting
D.left
我国人口达13亿是何年何月何日?