土方开挖的开挖方式包括( )。
A．自上而下开挖
B．上下结合开挖
C．自下而上开挖
D．先岸坡后河槽开挖
E．分期分段开挖
参考答案：A,B,D,E
A client is being admitted to the labor unit. Because she’s well advanced in labor, the nurse must prioritize the admission questions. Which information is most important to obtain when birth is imminent
A. Duration of previous labor.B. Frequency of contractions.C. Presence of bloody show.D. Expected due dat
日本的气候具有什么特点（）
A.大陆性
B.海洋性、季风性
C.复杂多样
D.高温多雨
