戴部分义齿后,与基牙产生疼痛无关的因素是()
A.支托上有高点
B.卡环过紧
C.隙卡位置不够
D.鞍基与基牙接触过紧
E.基托伸展过长
参考答案:E
That was so serious a matter that I had no choice but ________ the police.
a. to call in b. call in c. calling in d. called in
异烟肼的不良反应除外()
A.多发性神经炎
B.痴呆
C.癫痫发作
D.胃肠不适
E.肝功能异常