Ⅲ度半月板撕裂的信号,MR表现为()
A.线样区达关节面内外侧缘
B.线样区达半月板关节面上下缘:
C.线样信号区未达关节面
D.半月板内小球状区
E.以上都对
参考答案:B
We are now enjoying the cool air in the room. ____, the farmers are harvesting crops in the hot sun. [ ]
A. Therefore
B. Besides
C. As a result
D. In the meantime
()是失效的根本原因。
A、破坏
B、灾害
C、故障
D、病毒