高血压病人麻醉前应()。
A.停用降压药
B.血压降至正常范围
C.血压调节至一适度范围
D.血压降至正常以下
E.不必降压
参考答案:C
The fans were well behaved,and the game was played without _________.
A.incident
B.accident
C.event
D.matter
林女士,30岁,初产妇,产后会阴切口处疼痛剧烈并有肛门坠胀感应怀疑()。
A.会阴部伤口血肿
B.会阴部伤口水肿
C.产后出血
D.胎盘残留
E.会阴部伤口感染