中年男子,猛抬重物后腰剧痛并向右下肢放射,咳嗽时加重,其诊断最大可能是()
A.腰椎骨折
B.腰椎滑脱
C.腰部肌筋膜炎
D.腰椎间盘突出症
E.腰扭伤
参考答案:D
—Do you know the tower ___ in the heart of the city?
—Do you mean the one ___ to the north of the city library?
A.locating; lay
B.located; lying
C.being located; lying
D.located; lay
气动仪表一般用于传递距离在()的范围内,要求防爆、运行、安全、可靠的场合
A、<300
B、<150
C、<50
D、>30