患者，女，32岁，右侧前部牙齿有龋洞，遇冷热水不适半年余，近来工作紧张，症状较前加重，热食引起痛，夜间时而感到隐痛，有夜磨牙习惯。

应做哪些检查，可帮助确诊（）

A.视诊、探诊

B.叩诊

C.牙髓温度测验

D.X线片检查

E.以上几种方法均应做

During the project, requirements change for a variety of reasons. As needs change and as work proceeds, additional requirements are derived and changes may have to be made to the existing requirements. It is essential to manage these additions and changes efficiently and effectively. To effectively analyze the impact of the changes, it is necessary that the source of each requirement is known and the rationale for any change is documented. The project manager may, however, want to track appropriate measures of requirements volatility to judge whether new or revised (75) are necessary.

A. proceedings


B. controls
C. forecasting's

D. prelibations