齿状突骨折,正确的摄影体位是()
A.颈椎斜位
B.第1、2颈椎开口位
C.颈椎过屈位
D.颈椎正、侧位
E.高颈椎仰卧水平侧位
参考答案:B, E
It is believed that today's pop music can serve as a creative force______stimulating the thinking of its listeners.
A.by
B.with
C.at
D.on
计算机病毒按其表现性质可分为良性的和恶性的()