干槽症的主要症状是()。
A.出血
B.疼痛
C.拔牙创内肉芽水肿
D.骨壁轻微触痛
E.体温升高
参考答案:B
I really appreciated______the views of your hometown-Kaili for me.
A.present
B.presented
C.presenting
D.to present
与持续性枕后位无关的是()
A.胎头俯屈不良
B.第二产程延长
C.产妇过早使用腹压
D.脐带绕颈
E.腹壁明显扪清胎儿肢体