We are tired of doing ________ homework every day; most of _______ is of no use but of  

mechanical drill.

A．a lot of; it

B．the number of; which

C．a number of; it

D．a great deal of; which

男，32岁，车祸致颈椎骨折，胸3平面以下皮肤感觉消失，拟择期行椎板减压内固定术。

麻醉术前查体，重点应注意（）。

A.心电图结果

B.尿常规

C.胸部物理检查

D.血常规

E.肾功能不全