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【单选题】
以下选项中属于人员不安全因素的有( )A.
防护设施不齐全、完好
B.
现场指挥的不安全性(指挥失误、违章指挥)
C.
瓦斯突出威胁
D.
规章制度不全、不符合实际
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【判断题】Food brokers operate in specific geographic locations and work for a limited number of food producers within these areas.
A.
正确
B.
错误
【简答题】阅读理解 One of the strongest arguments for the raising of the school leaving age(ROSLA)has been that it will bring us some way nearer to'equality of opportunity'. Many people like to think of our present...
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