患者，男性，67岁，以间歇性无痛性全程肉眼血尿1周来院就诊，经B超及膀胱镜检查证实，膀胱右侧壁有一个直径2.5cm大小的占位病变，收入院诊治。
首先考虑的诊断是
A. 膀胱癌
B. 膀胱肉瘤
C. 膀胱憩室
D. 膀胱滤泡
E. 输尿管口囊肿
查看答案
去龋过程中病人很敏感，并见露髓点，窝洞中尚有腐质。治疗最好选用
A. 干髓术
B. 盖髓治疗
C. 安抚治疗
D. 活髓切断术
E. 根管治疗
What is the conversation mainly about？
A. The possible existence of life on other planets.
B. Methods for building powerful new telescopes.
C. A technical problem that astronomers can't solve.
D. The discovery of planets orbiting distant stars.
When will the vote begin？
A. On 1 January.
B. On 5 March.
C. On 22 January.
D. On 5 January.
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