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【判断题】
出现报警信号后，消防控制室的所有值班人员必须到现场确认。A.
正确
B.
错误
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【简答题】Weekend Miracles Weekend Miracles give children aged 9 and older in the Children’s Center the opportunity to visit a host family who partners the child to find the child a permanent family. The host f...
【简答题】A．To combat competition and raise productivity. B．To provide them with more job opportunities. C．To help them maintain their living standard. D．To pr them from holding a second job.
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