关于局限性迷路炎临床表现,错误的是()。
A.阵发性或激发性眩晕
B.自发性眼震,快相向患侧
C.听力减退
D.瘘管试验阳性
E.自发性眼震,快相向健侧
参考答案:E
Tom the USA. He back in two months. [ ]
A. has gone to; comes
B. has gone to; will be
C. has been to; comes
D. has been to ;will be
硫磺酸性液管线开停工吹扫,用()吹扫。
A、氮气
B、蒸汽
C、动力风
D、风机