肝外伤的手术处理原则，下列错误的是（）.
A.清除坏死肝组织
B.确切止血
C.阻断胆汁外溢
D.充分引流
E.肝包膜下血肿不需处理
参考答案：E
—Amazingly, Zhuo Jun got the first place for the China's Got Talent(中国达人秀) last night.
—So wonderfully in the show that he deserved it. [ ]
A. did he perform
B. had he performed
C. he performed
D. he had performed
常温下99mL 0．5mol/L硫酸跟101 mL 1 mol/L氢氧化钠溶液混合后，溶液的pH值为 [ ]
A．0．4
B．2
C．12
D．13．6
