对于有可能经阴道分娩者，可给予8～10小时试产；如宫口开全，胎头颅骨最低点≥A3Cm时，可用胎头吸引器或产钳助产。

[单选题]麦芽：啤酒

[问答题]Cloze 18　　Marcos was a hardworking farmer. Every day his asked his only son to  1   him in the fields, but Paolo seldom got out of bed before noon. Marcos was very  2   about his only son.　　One evening Marcos’ old friend Luigi  3  , “ Marcos, why aren’t your fields ready for planting?” Marcos explained that he was old and his back hurt. He said that Paolo was  4   and did not help him with the farming. “Marcos, you need to use your  5   as much as your back. I have an idea for you.” Luigi said.　　Early the next morning Marcos rushed into Paolo’s room. “I found your grandfather’s map!” he cried. “We may find  6   he buried（埋）his gold coins!” Paolo jumped out of bed. “I’ll start over here.” Paolo told his father. Paolo  7   in the field all day. While Paolo dug, his father  8   along, dropping something from his bag into the ground. When they went in for dinner that night, a very tired Paolo said, “I think Grandfather was old when he made his map. I don’t think I’ll dig tomorrow.”　　Paolo  9   to his lazy way and slept all morning. One day Marcos rushed into Paolo’s room and cried, “Paolo! I found the treasure in the fields!” Paolo  10   went out to look. He said, “There is  11   here but lines and lines of vegetables.”　　Marcos smiled. “Paola, it is all around you. You have enough food to make it  12   the winter, with plenty more to sell!” Paolo was embarrassed（尴尬的）to see that his father was  13  . His one day of hard work had provided him with real treasure. He learned an important 14  . He could make a good living with a little hard work. He became a good  15   and made his father proud.

[问答题]简述波形拟合法的数学模型、基本原理和成果分析。

[单选题]矿山救护队队员年龄不应超过（）。

[问答题]电气火灾监控系统的适用场所有哪些?

[单选题]具有散寒止痛，温肺化饮作用的药物是（　　）。

[填空题]地球仪上蔚蓝色的表示（），白色的表示（）。

[判断题]线路标志：公里标、半公里标、百米标、曲线标、圆曲线和缓和曲线的始终点标、桥梁标、隧道标、涵渠标、坡度标及铁路局、工务段、线路车间、线路工区和供电段的界标。

[多选题]接触性皮炎有以下哪些特点可区别于急性湿疹（）

[单选题]脂肪的主要生理功用是