诊断腹腔内脏器损伤简单易行的方法是（）
A.检查血常规和血细胞比容
B.超声波检查
C.腹穿或腹腔灌洗
D.选择性血管造影
E.腹腔CT
参考答案：C
What are you doing out of bed, Tom? You're to be asleep. ,
A．supposed
B．known
C．thought
D．considered
