题型:问答题 简答题 He has poor eyesight _______computer work.[ ]A. because too many B. because too many C. because of too much D. because of much too 查看答案
题型:问答题 简答题 患者,男,24岁,要求拔除右侧下颌第三磨牙。右侧下颌孔附近注射含血管收缩剂的2%利多卡因5ml。拔牙过程中,患者出现牙根部疼痛,其可能的原因是()A.颊神经麻醉不全B.舌神经麻醉不全C.下牙槽神经麻醉不全D.颊神经及舌神经麻醉均不全E.拔牙过程中出现轻度疼痛是正常感觉,嘱其坚持 查看答案