设备周维护指每周末前（）小时由操作者主要负责进行。
A.0.5-1
B.1-2
C.2-3
D.3-5
参考答案：B
肠阿米巴病最常引起的并发症为（）
A.肺脓肿
B.脑脓肿
C.肝脓肿
D.心包炎
E.脓胸
He was charged with ______ robbery and now is being questioned in relation to it.
A．advised
B．attended
C．admitted
D．attempted
