全口义齿在排前牙时要求牙尖或切缘高出牙合平面的是（）. A.A B.B C.C D.

实现教学任务的保证是()。

A．课堂管理

B．良好的班风

C．良好的师生关系

D．教师

冲天炉的排烟净化宜采用机械排烟净化设备，当粉尘的排放浓度在( )mg/m³时，最好利用自然通风和喷淋装置进行排烟净化。

A．100～300
B．200～400
C．300～500
D．400～600

A 68-year-old woman is admitted to the general surgical unit for removal of a breast mass malignancy. In the presurgical assessment of the client, which of the following choices would be most appropriate for the nurse to ask when assessing her self-concept（）

A. "Let’s talk about what you’d like to do that you haven’t done. "

B. "List for me your accomplishments and achievements in life. "

C. "Tell me how this breast surgery will make you feel about yourself. "

D. "What does your husband say when he compliments you"

《作业规程》规定，最大控顶距离为（）。

A、2m

B、2.1m

C、2.2m

D、2.3m

钙基脂的最高使用温度为（）。

A、60℃

B、80℃

C、120℃

D、180℃