产程进展的标志是()
A.血性分泌物量的多少
B.宫缩频率
C.产妇自我感觉
D.先露下降和宫口扩张
E.宫缩强度
参考答案:D
As soon as __________ new film was released, it became __________ great hit in all big cinemas across the country.
A.a; the
B.the; a
C.the;/
D.a; a
真空系统控制器位于()。
A.后散装货舱。
B.前货舱。
C.电子舱。
D.后设备舱。