龈沟上皮的组织学特点是（） A.单层柱状上皮，无角化，无上皮钉突 B.假复层柱状

Which of the following is the most appropriate activity for the nurse to assess motor strength for a neurologically injured client

A. Compare equality of hand grasps.
B. Observe spontaneous movements.
C. Observe the client feed himself.
D. Ask the client to signal if he feels pressure applied to his feet.

喉上神经损伤（）

A.咯血

B.窒息

C.声音嘶哑

D.音调低沉

E.高热脉快

简述楚文化的主要特点。

电绝缘装具具有耐高电压阻燃、耐酸、耐碱等性能。

窗式空调器的冬天工况，系统进行的循环是（）。

A.热机循环

B.制冷循环

C.热泵循环

D.正循环