正常人静息状态下的心动周期中,下述分期中时相最长的是
A.等容舒张期
B.快速舒张期
C.减慢舒张期
D.快速射血期
E.减慢射血期
参考答案:E
As far as I see, ______ is no possibility ______ he will win the tennis match this time. [ ]
A. it; that
B. there; that
C. it; whether
D. there; whether
关于应用腹腔镜检查的说法正确的是()
A.腹腔积血50ml左右时即可经腹腔镜发现
B.如积血较多时应力求找到出血点止血
C.如发现破口应立即用腹腔镜进行修补
D.腹膜后血肿表现为后腹膜隆起、呈褐色或黑色
E.只要血流动力学稳定即可应用腹腔镜检查