The reason why women and blacks play down their visibility is that they ________.
A) know that someone in authority will reach down and give them a promotion
B) want to give people the impression that they work under false beliefs
C) don’t want people to think that their promotions were due to sex or color
D) believe they can get promoted by reason of their sex or color
第5题
某采煤工作面在爆破处理大块岩石时发生瞎炮,正确的处理措施是()。
A.用手将雷管拔出
B.在岩块上放糊炮引爆
C.在瞎炮眼O.3 m处平行打炮眼装药、爆破
第7题
某采煤工作面,因爆破崩落大块矸石影响正常生产,应当(),才可防止爆破事故。
A.在大块岩石块下放炸药将岩块崩开
B.按《煤矿安全规程》规定打眼装药、爆破崩碎大块矸石
C.采用糊炮将岩块崩开
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