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【单选题】
依据《中国南方电网有限责任公司电力安全工作规程》，（）应始终认为线路、设备带电，即使明知该线路、设备已停电，亦应认为线路、设备随时有恢复送电的可能。A.
事故巡视
B.
事故抢修
C.
停电检修
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举一反三
【单选题】与牙髓炎相比,根尖周炎有其自身特点,说法错误的是:( )
A.
根尖区血运丰富
B.
急性期可以明确定位患牙
C.
炎症时组织的修复能力强
D.
可出现淋巴结肿大
E.
可以形成脓性病变
【单选题】The lecture __ when I arrived, So I found it hard to follow.
A.
started
B.
was starting
C.
would start
D.
had started
【简答题】试分别说明能量信号和功率信号的特性。
【单选题】I found the lecture hard to follow because it when I arrived.
A.
was started
B.
has started
C.
started
D.
had started
【单选题】The lecture when I arrived, so I found it hard to follow.
A.
started
B.
was starting
C.
would start
D.
had started
【单选题】After a long summer holiday in the country, I found it hard to ______ myself to the busy city life.
A.
adjust
B.
change
C.
adopt
D.
settle
【简答题】I found the temptation to miss the class too hard to .
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