When you first drift off into slumber,
your eyes will roll about a bit, your temperature will drop slightly, your
muscles will relax, and your breathing will become quite regular. Your brain
waves slow down a bit, with the alpha rhythm predominating for the first few
minutes. This is the first stage of sleep. For the next 30 minutes or so, you
will drift down through Stage 2 and Stage 3. The lower your stage of sleep, the
slower your brain waves will be. About 40-60 minutes after you lose
consciousness, you will reach the last stage. Your brain waves will show the
delta rhythm. You may think that you stay at this deep stage all the rest of the
night, but that turns out not to be the case. About 80 minutes after you fall
into slumber, your activity cycle will increase slightly. The delta rhythm will
disappear, to be replaced by the activity pattern of brain A. the rhythms of brain waves B. the daily activities of sleep C. the stages of sleep in cycles D. the daily activities in cycles [单选题] 版第五套人民币100元的()具有磁性机读特征。
A.主景人像; B.水印; C.手感线; D.冠字号码。 [单选题]绝缘隔板和绝缘罩应存放在()。使用前应擦净灰尘。若表面有轻度擦伤,应涂绝缘漆处理。
A.室内干燥的柜内 B.室内干燥、离地面200mm以上的专用的柜内 C.室内干燥、离地面200mm以上的架上 D.室内干燥、离地面200mm以上的架上或专用的柜内 [多选题]针对人员密集场所存在的下列隐患情况,根据《重大火灾隐患判定方法》(GB35181-2017)的规定,下列选项属于综合判定要素的有( )。
A.外窗被广告牌遮挡 B.多层展览建筑内封闭楼梯间门的损坏率为15% C.安全出口设置卷帘门 D.自动喷水灭火系统不能正常使用或运行 E.无敞开外廊的多层商场,设置敞开楼梯间 [单选题]应急门打开后,可向站台侧旋转,并定位于( )度。
A.A.30 B.B.180 C.C.60 D.D.90 [判断题]提任副班长、班长、副分队长、分队长、站长(中队长)助理职务的,应当在国家综合性消防救援队伍工作分别满2年、4年、6年、8年、12年。
A.正确 B.错误 [多选题]集贸市场内消防设施、灭火器材的配备管理要求( )。
A. 市场内营业厅,仓库等用房,由主办单位或合办单位负责配备相应的灭火器材 B. 市场内的固定消防设施的维修和保养,由市场产权单位负责 C. 专职或义务消防队所必须的消防器材装备由市场的主办单位配备 D. 各摊位应当在市场主办或合办单位的组织下配备相应的灭火器材 [判断题]进入密闭区域侦察时,应当测试门窗温度,判别轰然风险,在正面缓慢开启门、窗,同时采取限位措施。( )
A.正确 B.错误 [判断题]在新区或密度大的高层建筑或建筑群,应设交换箱。室外落地式交换箱应采用混凝土底座,底座与人(手)孔间应采用管道联通,不得采用通道联通。600对及600对以上交接箱,架空安装时应接装在H杆上或建筑物的外墙上。
A.正确 B.错误 [单选题]下列( )属商业银行传统的业务。
A. 备用信用证 B. 信贷便利 C. 信用卡业务 D. 承诺业务 [单选题]电力电缆路径走向不能()。
A.从道路一侧直行 B.从道路一侧转到另一侧 C.平行道路中心线 D.沿其它管线上方平行 [单选题]双层结构的消防防化手套一般是以针织棉毛布为衬里,外表涂覆( ),或以针织布.帆布为基础,上面涂覆PVC制成,这类手套称之为浸塑手套。
A.清漆 B.桐油 C.聚氯乙烯 D.防火涂料 [单选题]单选题
辐射段炉管材质为25r-35Ni,加铌稳定剂,超过()℃时,会造成炉管损坏。 A. 1100 B. 1125 C. 0 [单项选择]In ancient Greece athletic festivals were very important and had strong religious associations. The Olympian athletic festival held every four years in honor of Zeus, king of the Olympian Gods, eventually lost its local character, became first a national event and then, after the roles against foreign competitors had been abolished, international. No one knows exactly how far back the Olympic Games go, but some official records date from 776 B.C.
The games took place in August on the plain by Mount Olympus. Many thousands of spectators gathered from all parts of Greece, but no married woman was admitted even as a spectator. Slaves, women and dishonored persons were not allowed to compete. The exact sequence of events is uncertain, but events included boy’s gymnastics, boxing, wrestling, horse racing and field events, through there were fewer sports involved than in the modern Olympic Games. On the last day of the Games, all the winners were honored by having a ring of holy ol A. could not get any award in money form from organizers of the Games B. could earn a lot of money through the award given by the organizers C. could give his name to the year of his victory as a great honor D. were honored by having a ring of olive leaves around their waists [多选题]多选题:根据《钥匙管理规定》,站务1/2中心的职责是( )。
A.负责协调广告灯箱钥匙故障的维修工作 B.负责车站运务钥匙/锁具综合管理 C.负责站管用房设备房间(应急)钥匙的补配 D.负责办公用房钥匙采购及补配 [判断题]危险化学品单位可以组织本单位的注册安全工程师、技术人员或聘请有关专家对重大危险源进行安全评估。
A.正确 B.错误 我来回答: 提交
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