心脏左前斜位摄影,身体冠状位与胶片夹角为()
A.15°~20°
B.25°~30°
C.35°~40°
D.45°~55°
E.55°~65°
参考答案:E
This story made me _____ my past. [ ]
A. think of
B. thought of
C. to think of
D. think over
400V负荷开关由运行位置到检修位置的操作步骤。