单项选择题

下列关于粉状乳化炸药生产、存储和运输过程危险因素的说法中，正确的是( )。

A.粉状乳化炸药具有较高的爆轰特性，制造过程中，不会形成爆炸性粉尘
B.制造粉状乳化炸药用的硝酸铵存储过程不会发生自然分解
C.油相材料储存时，遇到高温、还原剂等，易发生爆炸
D.包装后的乳化炸药仍具有较高的温度，其中的氧化剂和可燃剂会缓慢反应

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单项选择题

烟花爆竹火灾爆炸的安全措施中，不属于烟花爆竹生产过程措施的有( )。

A.领药时，要少量、多次、勤运走
B.工作台等受冲击的部位设接地导电橡胶板
C.黑火药粉碎，应将硫黄和木炭两种原料分开粉碎
D.干燥烟花爆竹时，应采用日光、热风散热器、蒸汽干燥，可用红外线烘烤

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听力原文：W: Mike, how did you enjoy your trip? What did you think of les Angeles?M: it was all right. I liked it better than I thought I woulD.The problem is transportation. The bus service is terrible, and they don't have a subway.Q: What does the man think of Los Angeles?(16)A.It is the best city he's ever visiteD.B.It was worse than he had expecteD.C.It is difficult to get around in the city.D.The hotel service is terrible in the city.

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