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【多选题】
根据《水电水利工程施工地质规程》DL/T5109-1999，下列关于水工建筑物地下开挖工程施工的说法正确的是（）。
A.
单向隧洞开挖时，安全地点至爆破工作面距离不小于200m
B.
洞室群几个工作面同时放炮时，应有专人统一指挥
C.
有瓦斯的作业区应做专项通风设计
D.
洞内施工宜采用汽油机械
E.
瓦斯地段施工时，照明灯具均采用防爆形式
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【单选题】I'd say whenever you (are going) after something that (is belonging) to you, anyone who (is depriving) you of the right to have it is (criminal).
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are going
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is belonging
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