在下面对话的空白处填入适当的话语，使对话完整。

Girl : Where are you going ,Larry ?

Larry : To Tom’s party.

Girl : Lucky you ! I’d love to 小题1:______________________. But I wasn’t invited.

Larry : Yeah, well. I’m a little nervous. I don’t know 小题2:____________________________.

Girl : If I were you , I’d wear a shirt and tie.

Larry : 小题3:________________ if everyone else is wearing jeans and T-shirts ?

Girl : Oh, you shouldn’t worry about what other people are wearing.

Larry : And I don’t know if I should 小题4:_______________. What if everyone brings a present ?

Girl : If I were you ,I’d take a small present - a pen or something. Keep it in your pocket and if everyone has a present ,you can give yours to him. If not ,you can keep it.

Larry : 小题5:___________________________. Thank you.

胎先露

A．胎体纵轴与母体纵轴的关系
B．最先进入骨盆入口的胎儿部分
C．胎儿先露部的指示点与母体骨盆的关系
D．胎头俯屈，颏部接近胸壁，脊柱略弯曲，四肢屈曲交叉胸前
E．胎儿位置与母体骨盆的关系