27岁妊娠38周初产妇,规律宫缩16小时,已破膜,宫缩弱,宫口开大4cm,先露头,S-2,胎心170次/分,宫缩时觉肛门坠胀。本例正确处理应是()
A. 肌注哌替啶
B. 静脉滴注缩宫素
C. 嘱产妇朝向胎背的对侧方向侧卧
D. 观察半小时再决定分娩方式
E. 立即行剖宫产术
Which of the following sentences is an act of COMPLAINING
A. There is a spider in my soup.
B. He left without uttering a word.
C. It's so hot in the classroom.
D. The two teams are going to meet tomorrow.
The study of how sounds are put together and used to convey meaning in communication is().
A. morphology
B. general linguistics
C. phonology
D. semantics
There are means by which the constitution has been______over so long a time to the needs of a changing society.
A. altered
B. changed
C. adapted
D. revised