Questions 19 to 22 are based on the conversation you have just heard.
A. That he is not a student this semester.
B. That he is not a serious student.
C. That he is not very concerned about the woman.
D. That he is willing to compromise.
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男，60岁。右下第一磨牙因松动于三个月前拔除，要求修复。 患牙拔除后修复最好时间是( )
A. 4周
B. 1个月
C. 2个月
D. 3个月
E. 4个月
关于浆液性腺泡，错误的叙述是
A. 粗面内质网比黏液性腺泡发达
B. 可分泌酶原颗粒
C. 胞浆嗜酸性
D. 胞核为圆形，位于基底部1/3处
E. 所分泌的颗粒为PAS阳性
球状上颌囊肿常发生于
A. 鼻腭管
B. 牙槽突表面近鼻孔基部的软组织内
C. 侧切牙和尖牙牙根之间
D. 下颌第三磨牙颊侧
E. 上颌第三磨牙颊侧
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