湿土地区开挖时,若为人工降水,降至坑底()时方可开挖。
A.O.2m以下
B.0.5m以下
C.0.2m1~L
D.0,5—1.Om
参考答案:D
Do you like playing __小题1:_(不同的)kinds of balls? Are you interested in collecting balls. I have a__小题2:__(特别的)room in my house, which is _小题3:_(满) of all kinds of balls. I have been collecting them__小题4:__(从...以来)I was seven years old. Now I have got __小题5:__(千)of them. I have run out of room to __小题6:__(贮存)them. They are all __小题7:__(围绕着)our house. By the way, I’d like to __小题8:__(创建)a Ball Collectors’ __小题9:__(俱乐部), and __小题10:__(欢迎) to join us. Click here to know more! Click here to join us now.
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