电休克的禁忌证不包括()
A.急性全身感染、发热
B.昏迷
C.严重心、肝、肾及呼吸系统疾病
D.木僵
E.骨关节病、青光眼、视网膜脱离
参考答案:D
(2013·湖南,35)Not once________to Michael that he could one day become a top student in his class.
A.occurred it
B.it did occur
C.it occurred
D.did it occur
用0.2%氟化钠溶液含漱防龋的频率是()
A.每天1次
B.隔天1次
C.每三天1次
D.每周1次
E.每月1次