道路石油沥青及建筑石油沥青的牌号是按其()划分的。
A. 针入度
B. 软化点平均值
C. 延度平均值
D. 沥青中油分含量
受日光照射能发生化学反应引起燃烧、爆炸、分解、化合或能产生有毒气体的危险品包装应采取()措施。
A. 避光
B. 防潮湿
C. 防火
Compare a typical Distributed Replicated Block Device (DRBD) with MySQL Standard Replication using master-slave replication. Which two statements are correct?()
A. Both technologies guarantee an identical copy of data on the secondary node
B. Only MySQL can maintain a time-delayed copy of data on the secondary node
C. Both technologies use the TCP/IP stack as their primary transmission medium
DRBD uses shared-disk technology
参加学校团委爱心超市、学生处勤工助学书报亭等勤工助学机构的勤工助学活动半年以上,主要负责人可获()学分,干事可获()学分?
A. 0.1;0.1
B. 0.1;0.2
C. 0.2;0.1
D. 0.2;0.2