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.

收集用于人工授粉的花粉的贮存条件应是（）。

A.低温低湿

B.低温高湿

C.高温低湿

D.高温高湿