胸外按压抢救心脏骤停,下列何项表现最常提示治疗有效()
A.上肢血压达60mmHg
B.心音清晰规则
C.瞳孔变小
D.触及颈动脉搏动
E.神志恢复
参考答案:D
The box is too heavy for him ______. [ ]
A. to carry it
B. not to carry it
C. to carry
D. not to carry
股份有限公司的财务会计报告应当在召开股东大会年会的()日前置备于本公司,供股东查阅。
A.10
B.15
C.20
D.30