搜题请搜索小程序“爱下问搜题”
问题 单项选择题

氯苯哌酰胺（易蒙停）止泻的作用机制是

A．抑制肠道平滑肌收缩，减少肠蠕动

B．吸附肠道内有害物质

C．增强粘液屏障，保护肠细胞免受损害

D．刺激肠道内正常产生酸菌丛生长

E．凝固蛋白

答案

参考答案：A

多项选择题

下述有关肝细胞癌的描述，哪些是正确的（）

A.常经血道转移

B.常与周围肝组织分界明显

C.可呈腺管样结构

D.可呈团块状结构

E.种植转移少见
查看答案
单项选择题

（）involves comparing actual or planned project practices to those of other projects to generate ideas for improvement and to provide a basis by which to measure performance. These other projects can be within the performing organization or outside of it, and can be within the same or in another application area.

A.Metrics

B.Measurement

C.Benchmarking

D.Baseline
查看答案