军队伤病员来院就诊需提供哪些凭证或手续？

苦杏仁、苏子的共同功效是（）

A.降气化痰

B.止咳平喘

C.润肠通便

D.润肺止咳

E.降逆止呕

脉压增大表现的疾病是（）

A.甲状腺功能亢进

B.主动脉瓣狭窄

C.心包积液

D.严重心力衰竭

E.冠心病

院内感染的传播途径几种类型？（）

A、2种

B、3种

C、4种

D、5种

如何培养智力技能

Cost of quality is the total cost of all efforts to achieve product/service quality，and includes all work to ensure conformance to requirements．All of the following are costs that are incurred EXCEPT （）．

A．cost of poor quality

B．opportunity cost

C．external failure cost

D．appraisal cost