下列哪项指标不是预后研究的指标（）。
A.治愈率
B.好转率
C.致残率
D.病死率
E.死亡专率
参考答案：E
1.He did not find a job yet because he had no _____ to men who could help him.
A. approach B. application C. access D. approval
2.The old man got into the _____ of storing money under the bed.
A. tradition B. habit C. use D. custom
通讯状态指示灯为（）色时表示通讯状态正常。
