Passage ThreeQuestions 32 to 35 are based on the passage you have just heard.
A. Paris.
B. Copenhagen.
C. New York.
D. London.
查看答案
皮肤与唇红的交界处称为( )
A. 唇红
B. 唇红缘
C. 唇弓
D. 唇峰
E. 唇珠
Questions 11 to 18 are based on the passage you have just heard.
A. They usually go jogging.
B. They usually go to the parks to do their exercises.
C. They usually do Taijiquan.
D. They are still asleep.
男，58岁。上前牙反复肿痛4年，要求诊治。年轻时左上前牙有洞曾在医院治过。检查见右上2大面积黄白色充填物边缘发黑，叩痛(±)；右上3牙尖部折断牙冠变色，叩痛(-)，右上2、3之间唇侧龈近根尖部有瘘管口。 该患者的治疗计划中不包括( )
A. 根管治疗
B. 修复缺损
C. 定期复查
D. 根尖手术
E. 烤瓷冠修复
牙本质区中的脱矿层
A. 牙本质小管结构不明显
B. 成牙本质细胞发生脂肪变性
C. 扩张的小管可排列成串珠状
D. 牙本质小管结构较完整
E. 是牙本质龋损的最表层
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