| A special laboratory at the University
of Chicago is busy only at night. It is a dream laboratory where researchers are
at work studying dreamers. Their findings have proved that everyone dreams from
three to seven times a night, although in normal life a person may remember none
or only one of his dreams. While the subjects--usually students--sleep, special machines record their brain waves and eye movements as well as the body movements that signal (信号显示) the end of a dream. Surprisingly, all subjects sleep soundly. Observers report that a person usually fidgets (烦躁不安 ) before a dream. Once the dream has started, his body relaxes and his eyes become more active, as if the curtain had gone up on a show. As soon as the machine shows that the dream is over, a buzzer (电铃声) wakens the sleeper. He sits up, records his dream, and goes back to slee A. people sleep soundly while they dream B. dream memories are often incomplete C. sleepers fidget while dreaming D. dreamers can record their own dreams [多选题]建设工程的参建单位应根据法律法规的规定,针对可能发生的()等突发事件建立应急管理体系,制定相应的应急预案并组织演练。
A.自然灾害 B.环境 C.卫生 D.流行病 E.火灾 [单选题]采取人机分工检查作业方式的现场作业组每人单侧检查一般不超过（）辆。
A.20 B.30 C.10 D.5 [单项选择]用水平仪检验车床导轨的倾斜方向时，气包移动方向与水平仪一致为+，表示导轨（）.
A. 向上倾斜 B. 向下倾斜 C. 水平 [简答题]相贯线有何特征？
[单项选择]The nurse is providing care for a client with multiple myeloma, a disorder characterized by episodes of remissions and exacerbations. Which of the following resources can best help the client adapt to the disease
[判断题]为了防止反应釜的主体与搅拌轴之间的泄漏,真空度要求比较高的反应釜常需要采用填料密封轴封装置。
A.正确 B.错误 [单选题]从中国的情况来看，约（ ）的煤炭资源和（ ）以上的清洁能源都集中在西部和北部地区，而作为用电负荷中心的东中部地区能源资源稀缺。
A.60%；70% B.70%；80% C.80%；70% D.70%；60% [不定项选择题]能收敛止血的药物是
A.小蓟 B.槐花 C.炮姜 D.仙鹤草 E.艾叶 [单选题]( )按《塔里木油田钻井井控实施细则》规定:井控装备车间试压值,防喷器控制系统高压油路试压至21MPa；管排架和耐火软管试压()MPa；
A.10MPa B.14MPa C.17.5MPa D.35MPa [单选题]县级以上地方各级人民政府负有安全生产监督管理职责的部门应当将（ ）隐患纳入相关信息系统，建立健全重大事故隐患治理督办制度，督促生产经营单位消除重大事故隐患。
A.重大事故 B.一般事故 C.较大事故 D.特别重大事故 [单选题]辙叉分为固定型辙叉和( )两种。
A.不固定辙叉 B.直线型辙叉 C.曲线型辙叉 D.可动心轨辙叉 [判断题]（ ）自然循环锅炉是依靠水和汽水混合物的重度差来推动工质运行。[T/]
A.正确 B.错误 [多选题]继电保护、配电自动化装置、安全自动装置及自动化监控系统（）前，应通知运维人员和有关人员，并指派专人到现场监视后，方可进行。
A.做传动试验 B.一次通电 C.进行直流系统功能试验 D.校验 [单项选择]依据《安全生产许可证条例》的规定，民用爆破器材生产企业安全生产许可证的颁发机关是（）。
A. 国务院国防科技工业主管部门 B. 国务院安全生产监督管理部门 C. 省级人民政府安全生产监督管理部门 D. 省级人民政府公安部门 [多选题]“中国民航空勤登机证”人员的安检信息系统录入操作;( )
A.录入机组人员正确航班号 B.并采集该人员正面头像 C.每个航班录入一名机组人员即可 D.此操作仅限有安检信息系统的岗位 [单选题]压力高在歧化反应过程中有利于( )。
A. 抑制积炭 B. 增加物料停留时间 C. 提高转化率 D. 提高选择性 [简答题]园艺生产的意义？
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