5%NaHCO3,水溶液可以从乙醚中萃取出来的蒽醌为()
Valentine’s Day may come from the
ancient Roman feast of Luperealia. (1) the fierce wolves
roamed nearby, the old Romans called (2) the god Lupereus to
help them. A festival in his (3) was held February 15th. On
the eve of the festival the (4) of the girls were written
on (5) paper and placed in jars. Each young man (6)
a slip. The girl whose name was (7) was to be his
sweetheart for the year. Legend (8) it that the holiday became Valentine’s Day (9) a roman priest named Valentine. Emperor Claudius II (10) the Roman soldiers not to marry or become engaged. Claudius felt married soldiers would (11) stay home than fight. When Valent A. part B. representative C. judgment D. symbol [多选题]掌旗的错误姿势是
A.拿旗 B.扛旗 C.举旗 D. 抬旗 [简答题]家庭美德涵盖的关系除夫妻、邻里之外,还有什么?
[简答题]《技规》规定扳道、信号人员在值班时应做到哪些?
[多选题]B 类(液体)火灾宜用( )灭火剂。
A.泡沫 B.二氧化碳 C.化学干粉 D.清水 [多选题]客户可选运输服务方式包括( )等。
A.站到站 B.门到门 C.门到站 D.站到门 [判断题]调车领导人亲自向司机递交调车作业通知单,传达作业注意事项和作业方法。中间站向司机递交便携式无线调车灯显设备
A.正确 B.错误 [单选题]金融市场最主要、最基本的功能是( )。
A.融通货币资金 B.调节经济 C.优化资源配置 D.风险分散与风险管理 我来回答: 提交
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