Why might deaf people's sense of failure increase?
A.Because they cannot hear well when they go to the cinema.
B.Because their hearing aids ate not effective.
C.Because they can not see the speaker's mouth in order to lip-read.
D.Because they will not be able to hear very well and this may make them feel particularly conscious of their handicap.
第2题
患者因左上6深龋,充填治疗一段时间后脱落。可能有以下几方面原因,除了 ()
A、窝洞制备时深度不够
B、固位洞形不良
C、继发龋发生
D、充填物未垫底
E、充填材料比例不当
第3题
患者因左下6远中邻合面深龋,充填治疗一段时间后脱落。可能有以下几方面原因,除了
A.窝洞制备时深度不够
B.固位洞形不良
C.继发龋发生
D.充填物未垫底
E.充填材料比例不当
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