胎儿枕下前囟径的平均值是:
A.9.3cmB.10.3cmC.11.3cmD.9.5cmE.10.5cm
参考答案:A
The restaurant is far from clean. To my ________, there are flies landing on dishware occasionally.[ ]
A. disgusting
B. disgust
C. disgusted
D. disgustful
下列对室性心动过速的诊断意义较大的是()
A.通常突发突止,心室率常为100~250次/分
B.心律基本规则
C.有心室夺获与室性融合波
D.P波与QRS波群无固定关系,形成房室分离
E.宽大畸形QRS波群