胎头径线中，双顶径足月为______________cm，枕额径__________

— you were so late this morning?

— forgot to set the alarm before going to bed last night.

A．Why

B． How come

C． How about

D．How

路基改建加宽施工时，在路槽纵向开挖的台阶上铺设跨施工缝的土工格栅，其主要作用是（）。

A.减少新老路基结合处的不均匀沉降 

B.减少路面厚度 

C.提高原地基承载力 

D.减少裂缝反射

细菌可分为（）

A.球菌和杆菌

B.真菌和病毒

C.葡萄球菌和肠杆菌

D.球菌和军团菌

E.需氧菌和厌氧菌

Before administering a tube feeding to a toddler, which of the following methods should the nurse use to check the placement of a nasogastric (NG) tube

A．Abdominal X-rays.

B．Injection of a small amount of air while listening with a stethoscope over the abdominal area.

C．A check of the pH of fluid aspirated from the tube.

D．Visualization of the measurement mark on the tube made at the time of insertion.

依据现代质量管理，下列哪项是正确的？（）

A.质量应该由客户来定义

B.质量已成为竞争的武器

C.质量已成为战略计划的一部分

D.以上都正确