临产的主要标志是
A.不规则宫缩;
B.见红;
C.规律性宫缩, * * 流血;
D.规律性宫缩,宫颈口扩张;
E.规律性宫缩并逐渐加强,伴宫颈口扩张和胎先露下降。
参考答案:E
下列关于气管和主支气管正确的描述是()
A.气管位于食管后方
B.气管于胸骨角平面分为左、右主支气管
C.全程分为颈部和胸部两段
D.左主支气管比右侧者粗短
E.颈段气管较胸段的长
—What are you going to do this afternoon?
—There___________ a football match. I want to watch it.
A.is going to have
B.will have
C.is going to be
D.are going to be