半年度财务会计报告应当于年度中期结束后（）内（相当于2个连续的月度）对外提供。
A.15天
B.30天
C.45天
D.60天
参考答案：D
—He should have been punished for the serious mistake.
— ________, but he escaped it.
A．So should he
B．So he was
C．So he should
D．So he has
创伤早期清创的原则是（）
A.彻底清除伤口内污物及异物
B.彻底止血
C.切除失活组织
D.伤口内置引流物
E.一期缝合
