不需急诊手术的是()
A.急性阑尾炎伴穿孔
B.外伤性肠破裂
C.大血管破裂
D.呼吸道窒息
E.腹股沟疝修补
参考答案:E
_______cool it is to take a photo with little Cindy! The lovely girl in the program called “Where’re we going, Dad!”
A.What
B.What a
C.How
D.How a
若为有限值,则k=(),此时,()。