2005年7月6日，经过四轮激烈争夺，( )以54比50票的微弱优势击败了对手，获

造成患者重度残疾、器官组织损伤导致严重功能障碍的医疗事故的级别是（）

A.五级

B.四级

C.三级

D.二级

E.一级

The nurse is planning care for a client after a tracheostomy. One of the client's goals is to overcome verbal communication impairment. Which of the following interventions should the nurse include in the care plan ？（）

A．Make an effort to read the client's lips to foster communication.

B．Encourage the client's communication attempts by allowing him time to select or write words.

C．Answer questions for the client to reduce his frustration.

D．Avoid using a tracheostomy plug because it blocks the airway.

速递档案室根据出口查单登记簿记录填发“邮政业务查询催查函”，分别以（）或电报方式发被查局和被查局所在省局。

心肌自律性高低主要取决于 ( )

A．阈电位水平

B．0期除极速度

C．最大复极电位水平

D．4期自动除极速度

E．动作电位幅度

1:500、1:1000、1:2000三种比例尺的地形图，它的详细程度适合房屋设计、施工的需要。( )