电气设备在()情况下,不允许进行电气检修作业。
A、检修状态;
B、热备用状态;
C、冷备用状态;
D、运行状态;
参考答案:B, D
盲肠癌患者最少见的并发症是
A.缺铁性贫血
B.大肠梗阻
C.右下腹包块
D.急性阑尾炎
E.原因不明的低热和消瘦
It's suggested that some activities _____ to celebrate the 30th anniversary of the Reform and Opening-up.[ ]
A. should hold
B. are held
C. be held
D. will be held