| 患者，女性，40岁，左上后牙持续胀痛3天，1日来夜痛不能眠，不能咬物，5个月以来，该部位一直食物嵌塞，逐渐加重，剔牙出血，要求诊治：查：右上颌第二磨牙远中面龋深近髓，有食物嵌塞在内，叩诊(++)，不松动，热测引起剧痛，含冷水痛缓解。龈 * * 肿大，探之出血 |
除以上诊治的问题以外，该患牙还应治疗的疾病是
A．深龋
B．牙周炎
C．牙龈 * * 炎
D．慢性牙髓炎
E．慢性根尖炎
参考答案：C
Which of the following statements is NOT true of "fractional ownership"
A．"Fractional ownership" allows people share the use of highly expensive commodities.
B．Thanks to "fractional ownership", people can afford luxuries like a super yacht.
C．"Fractional ownership" is identical to "time sharing".
D．"Fractional ownership" means part of the property right to the buyer.