| To us it seems so natural to put up an
umbrella to keep the water off when it rains. But actually the umbrella was not
invented as protection against rain. Its first use was as a shade against the
sun. Nobody knows who first invented it, but the umbrella was used in very ancient times. Probably the first to use it were the Chinese, way back in the eleventh century B.C. We know that the umbrella was used in ancient Egypt and Babylon as a sunshade. And there was a strange thing connected with its use: it became a symbol of honor and authority. In the Far East in ancient times, the umbrella was allowed to be used only by royalty or by those in high office. In Europe, the Greeks were the first to use the umbrella as a sunshade. And the umbrella was in common use in ancient Greece. But it is believed that the first persons A. protection against rain B. a shade against the sun C. a symbol of power D. a symbol of honor [多选题]一、二级动火工作在次日动火前应（ ），方可重新动火。
A.重新检查防火安全措施 B.测定可燃气体的可燃气体含量 C.测定易燃液体的可燃气体含量 D.检查、测定合格 [单选题]钳形电流表使用时应先用较大量程,然后在视被测电流的大
小变换量程。切换量程时应()。
A.先退出导 线,再转动 量程开关 B.直接转动量 程开关 C.一边进线 一边换挡 [多选题] 化工放空气线关联的装置是( )
A.苯酚丙酮 B.废碱氧化 C.苯乙烯抽提 D.乙烯 [判断题]单纯伸缩臂式举高消防车最大工作高度可达72米以上。( )(难)
A.正确 B.错误 [单项选择]患者男，41岁，2个多月来，经常出现虚幻感，意识障碍数分钟，期间对别人语言无反应，伴有无意识动作，恢复正常后不能回忆发生的事情。就医诊断为癫痫精神运动性发作。对该患者宜用以下药物治疗（）
A. 苯妥英钠 B. 苯巴比妥 C. 卡马西平 D. 丙戊酸钠 E. 氯丙嗪 [填空题]As Indians are getting richer they would like to pay much more money on fitness as to follow the popularity.
[单选题]钓鱼攻击是一种常见的网络安全事件，其原理是将某个网段中的IP地址和MAC地址对应关系进行篡改，从而导致网段中的数据包不能正常到达正确的目的。
A.A、正确 B.B、错误 [单选题]DS6-K5B型计算机联锁，当系统运行正常，面板指示灯D4灯亮表示( )。 ( )
A.APL开始执行 B.APL停止执行 C.数据连接成功 D.数据连接失败 [简答题]什么是公量及相关的计算公式？
[多选题]既有法人作为项目法人等措施项目资金时。属于既有法人外部资金来源的有()
A.企业增资扩股 B.企业资金变现 C.企业产权转让 D.企业发行债券 E.企业发型优先股股票 [填空题]
[A] In 1849 gold was discovered in California in the mountains near San Francisco. So started the famous Gold Rush of the 49ers across the vast, unexplored wilderness that lay west of the Mississippi. Whole families perished. One small group of 49ers, looking for a short cut across the Sierra Nevada Mountains, happened to enter the infamous Death Valley. It was lucky for them it was winter, for in summer Death Valley is about the hottest and most desolate place on earth. As it was, one of the group died of thirst, and it was the 49ers who gave the valley its grim name. [简答题]简述健美操比赛开幕式程序。
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