某井自然电位形态反映为正粒序或水进层序,水动力能量向上变弱,该曲线形态最有可能为()。
参考答案:钟形
下列哪项不是骨折的X线征象()
A.嵌入性密度增高带
B.骨皮质线形透光影边缘硬化
C.骨小梁中断与扭曲
D.骨皮质凹陷与隆凸
E.骨骺分离
Just use this room for the time being, and we'll offer you a larger one ________ it becomes available.
A.as soon as
B.unless
C.as far as
D.until