成年妇女子宫体与子宫颈的比例为
A.1:1
B.1:2
C.1:3
D.2:1
E.3:1
参考答案:D
I think ______ is little possibility ______ she will be elected as monitor of our class.
A.it; that
B.there; that
C.it; whether
D.there; whether
第一产程末宫腔最大压力可达
A.20~30mmHg
B.25~30mmHg
C.30~50mmHg
D.40~60mmHg
E.50~70mmHg