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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

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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

怎样拍摄农村田园风光?

全日制国民教育的硕士研究生员工首次签订劳动合同的试用期为()

A. 一个月
B. 两个月
C. 三个月
D. 半年

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