下列关于脾破裂的处理,错误的是
A.破裂严重时,可行脾切除
B.破裂小时可行脾修补
C.待失血性休克好转后再行手术
D.可收集腹腔内血液行自身输血
参考答案:C
There has been great ___________ in his English this year.
A.improve
B.progressing
C.improvement
D.improving
柴油机热效率:()
A、0.10-0.20
B、0.40-0.50
C、0.05-0.10
D、0.25-0.40