关于肱动脉损伤的叙述哪一项是错误的:
A.多见于伸直型肱骨髁上骨折
B.可致筋膜间隔综合征
C.导致前臂屈肌群缺血坏死
D.形成缺血性肌挛缩
E.可出现猿手畸形
参考答案:E
9.Not until the third day after the terrible earthquake ______ a phone call from his mother.
A.he received
B.did he receive
C.didn’t he receive
D.had he received
系统开通调测时,如果发现市电N线与PE线之间的压差有十几伏或者几十伏,此时应该()
A.继续开通
B.停止开通
C.暂时不开市电,用电池来调测系统