自耻骨联合下缘到骶岬上缘中点的距离是()。
A.骨盆入口前后径
B.产科结合经
C.真结合经
D.对角径(骶耻内径)
E.中骨盆前后径
参考答案:D
—What's your math teacher like?
—_____. [ ]
A. He's twenty-seven years old
B. He works in our school
C. He's creative and outgoing
D. He likes physics and biology
重度脱水的表现特点()
A.心音低钝,血压下降,四肢阙冷
B.哭时泪少,尿量明显减少
C.皮肤、口唇黏膜稍干燥
D.失水量为体重的5%~10%
E.皮肤弹性尚可