枕先露的指示点是 ()
A.枕骨
B.颏骨
C.骶骨
D.臀部
E.面部
参考答案:A
Tony lost his wallet.He didn’t talk to________all the afternoon.
A.anything
B.nothing
C.nobody
D.anybody
在有市电的场所,移动照明灯组可接通220V市电实现长时间照明。