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[多选题] 正压式消防空气呼吸器操作前检查有哪些要求( )。 *
A.检查面罩气密性
B.检查压力
C.检查肩带、腰带
D.检查各接口处连接
E.检查背托完好

热门试题:

[单选题]仪表施工结束后的试车阶段顺序为( )。
A.单体试车阶段、负荷试车阶段、联动试车阶段
B.联动试车阶段、单体试车阶段、负荷试车阶段
C.单体试车阶段、联动试车阶段、负荷试车阶段
D.负荷试车阶段、单体试车阶段、联动试车阶段
[单项选择]胃溃疡癌变()
A. 饥饿时疼痛并伴有夜间痛
B. 反复发作性上腹部疼痛,近来疼痛剧烈而固定放射至背部,不能被制酸剂缓解
C. 突然发生剧烈上腹痛,速度延及全腹
D. 餐后1/2~1h出现疼痛,在下次餐前自行消失
E. 以上都不是
[判断题]1938年5月成立了延安市警察队,全称“陕甘宁边区人民警察”,简称“边警”。( )
[多选题]依据现行《宪法》规定,下列选项中,属于全国人民代表大会行使的职权是( ).
A.修改宪法
B.选举中华人民共和国主席、副主席
C.审查和批准国家的预算和预算执行情况的报告
D.决定战争和和平的问题
[单选题]正常情况下,(  )不属于辅助变流器1供电范围。
A.牵引电动机风机
B.复合冷却器风机
C.水泵
[判断题]厦门2号线电客车新轮直径是840mm,全磨耗轮直径是805mm。
A.正确
B.错误
[判断题]由专用变压器配电的建筑施工现场应采用TN-S系统。
A.正确
B.错误
[单选题](  )是指调速手柄一离开零位就有较大的电枢电流。  
A.冲动
B.调速失控
C.窜车
[多选题]开户单位提取现金的账户必须是( )。
A.基本存款账户
B.一般存款账户
C.经人民银行批准允许提取现金的专用存款账户
D.临时存款账户
[判断题]()溶解氧电极不用时也应处于工作状态,可接在溶解氧转换器上。
A.正确
B.错误
[多选题]制定服务蓝图是由客户向( )层层描绘的过程。
A.前台
B.一线
C.后台
D.支持
[单选题]孕妇,36岁,经产妇,有多次人工流产史,孕30周出现无痛性阴道流血,考虑前置胎盘的可能,是因为
A.因胎盘附着在子宫体部前壁
B.胎盘为摄取足够营养选择部位
C.子宫蜕膜血管营养过甚所致
D.子宫蜕膜血管生长良好所致
E.人流多次刮宫损伤子宫内膜
[多选题]倒闸操作前应先核对(  ),操作中应认真执行监护复诵制度(单人操作时也应高声唱票),宜全过程录音。
A.系统方式
B.设备名称
C.编号
D.位置
[多选题]发生( )时,可不经许可,应立即断开有关设备的电源,但事后应及时报告()。
A.人身触电
B.电网事故
C.值班调控人员
D.设备有关单位
[单选题]要使电缆屏蔽层有良好的屏蔽效果,需对电缆的屏蔽进行接地,下面说法错误的是( )。
A.电缆屏蔽层须有一个接地电阻较小的接地极
B.电缆屏蔽接地不得与电气接地合用
C.保证电缆屏蔽层单点接地
D.屏蔽接地应尽量选择足够多的接地点接地
[单项选择]以药材打粉入药的制剂的定性鉴别可采用()
A. 冷浸法
B. 显微鉴别法
C. 高效液相色谱法
D. 指纹图谱法
E. 微柱色谱法
[简答题]电视综艺节目的策划步骤和程序有哪些?
[单项选择]
Directions: In this section, you will read several passages. Each passage is followed by several questions based on its content. You are to choose ONE best answer, (A), (B), (C) or (D), to each question. Answer all the questions following, each passage on the basis of what is stated or implied in that passage and write the letter of the answer you have chosen in the corresponding space in your ANSWER BOOKLET.
Questions 1-5
This view may be correct: it has the advantage that the currents are driven by temperature differences that themselves depend on the position of the continents. Such a back-coupling, in which the position of the moving plate has an impact on the forces that move it, could produce complicated and varying motions.
On the other hand, the t
A. Increases in sedimentation on ocean floors.
B. Movement of mid-ocean ridges.
C. Sinking of ocean basins.
D. Differences in temperature under oceans and continents.
[单选题]为贯彻落实《国家发展改革委国家能源局关于推进电力安全生产领域改革发展的实施意见》(中发〔2016〕32号),推进电力安全生产领域改革发展,落实()责任,完善电力安全生产监督管理机制,保障电力系统安全稳定运行,防范和遏制重特大事故的发生,现提出以下实施意见。
A.电力企业主体
B.业主项目部
C.监理项目部
D.施工项目部
E./
F./
[单项选择]The rear section of the brain does not contract with age, and one can continue living without intellectual or emotional faculties.
A. advanced
B. growing
C. front
D. back
[单选题]ZPW-2000A型无绝缘移频自动闭塞轨道电路通过()能实现对数字电缆长度的补偿。
A.发送器
B.接收器
C.衰耗器
D.防雷模拟网络盘
[单项选择]I strongly believe that understanding is more important than love, especially when it comes to parenting and intimate relationships. As a psychologist for more than twenty years I can tell you that I have never had an adult looking back at her childhood and complaining that her parents were too understanding. And similarly, I have met many divorced people who still love each other but yet they never really understood each other. The painful reality is that love is just not enough. I"ll admit that there are people who I love and who I still need to better understand. I hope I"ll continue my work to understand them. The willingness to understand is very important. It is not always easy, but healthy love is strengthened by the willingness to understand. Love without understanding will wilt like flowers without water. Our egos are what seem to get in the way of understanding those who we love and care about. Often it is our need to be right that makes what others think and feel so wrong for us. I have certainly been quite guilty of this in some of my relationships. As I have written repeatedly in my books, empathy, is truly the emotional glue that holds all close relationships together. Empathy allows us to slow down and try to walk in the shoes of those we love. The deeper our empathy, the deeper—and healthier—our love. Not all relationships are meant to be. Yet all relationships that are meant to flourish in a healthy way, must stress understanding just as much, if not more, than love.From the passage we know that ().
A. the author complains about her parents" being too understanding
B. the author has been studying marriages for more than 20 years
C. people divorced mainly because they didn"t love each other
D. some people divorced because they couldn"t understand each other
[多选题]配网项目可研报告应包括( )等内容,原则上可研编制深度要达到初步设计要求。
A.项目背景
B.项目内容
C.项目投资概算
D.项目方案
E.效益分析
[单项选择]下列哪项关于财务评价的表述是错误的()。
A. 评价依据是国家现行制度和价格体系
B. 能够反映项目的清偿能力
C. 编制财务报表
D. 分析、计算项目的直接和间接财务效益和费用
[单选题]DL/T5182-2004《火力发电厂热工自动化就地设备安装、管路及电缆设计技术规定》规定:分散控制系统的接地,与电气共用一个接地网时,分散控制系统接地线与电气接地网的接地电阻,应不大于( )Ω。[1.0分]
A. 0.1
B. 0.2
C. 0.5
D. 1.0
[单项选择]根据国务院发布的《国家突发公共事件总体应急预案》,突发公共事件按照其性质、严重程度、可控性和影响范围等因素,一般分为______。
A. 三级,即Ⅰ级(特别重大)、Ⅱ级(重大)和Ⅲ级(一般)
B. 三级,即Ⅰ级(一般)、Ⅱ级(重大)和Ⅲ级(特别重大)
C. 四级,即Ⅰ级(一般)、Ⅱ级(重大)、Ⅲ级(特大)和Ⅳ级(特别重大)
D. 四级,即Ⅰ级(特别重大)、Ⅱ级(重大)、Ⅲ级(较大)和Ⅳ级(一般)
[单选题]既能治疗风疹湿疮,又能治疗头痛眩晕的是
A.稀莶草
B.海桐皮
C.臭梧桐
D.络石藤
[不定项选择题]共用题干 Improve Your Memory

To many people advancing age means losing your hair,your waistline and your memory.But is it an inescapable fact that the older you get,the less you remember? Well,as time goes by,we tend to blame age for problems that are not necessarily age-related.
When a teenager can't find her keys,she thinks it's because she's distracted or disorganized, but a 70-year-old blames her memory. In fact,the 70-year-old may have been misplacing things for decades一like we all do from time to time.
In healthy people,memory doesn't deteriorate as quickly as many of us think. According to psychologists,as we age,our memory mechanism isn't broken,it's just different.The brain's processing time slows down over the years,though no one knows exactly why.Recent research suggests that nerve cells lose efficiency and that there's less activity in the part of the brain that decides whether to store information or not.But it's not clear that less activity is worse.A beginning athlete is winded. more easily than a trained athlete.In the same way,as the brain gets more skilled at a task,it spends less energy on it.
There are steps you can take to improve your memory,though you have to work to keep your brain in shape.It's like having a good body. You can't go to the gym once a year and expect to stay in top form.
Some memory enhancement experts suggest using the AM principle.Pay attention to what you want to remember. Then give some meaning to it. We remember things when we focus on them, whether we intend to or not. That helps explain why jingles stick in our minds.They are played on loud,flashy TV commercials.They also use rhyme and music to help us remember better.
Basic organization helps us remember the boring stuff. For example,rather than trying to recall a random list of groceries,we can divide them into categories,such as dairy,meat and produce. For important things like keys and money,we can set up a"forget-me-not"spot where we always keep them.
We can also eat to aid our memory power. Whole grains,fruits and vegetables are excellent sources of glucose,the brain's preferred fuel. Another low-tech way to improve memory is to get adequate rest. Sleep may allow our brain time to encode memories.
Interest in friends,family and hobbies does wonders for our memory.A sense of passion or purpose helps us remember. Memory requires us to pay attention to our lives,allowing us to discover in them everything worth remembering. It can be inferred from the passage that memory problems are not really age-related.
A.Right
B.Wrong
C.Not mentioned
[判断题]培育和践行社会主义核心价值观,既要目标高远,保持定力,又要脚踏实地,严于律己。( )
A.正确
B.错误
[单项选择]某地地下40km处发生地震,这时地面上的人会感觉到()
A. 先上下颠簸,后左右摇晃
B. 只有上下颠簸
C. 先左右摇晃,后上下颠簸
D. 只有左右摇晃
[单选题]邓小平指出,中苏两党发生意识形态分歧,继而产生论战的实质问题是( ),中国人感到受屈辱。
A.A、不协商
B.B、不平等
C.C、不尊重
[单选题]下列关于电话联系法说法不正确的是( )。
A.A、采用电话联系法行车时,要满足“一站一区间”空闲。
B.B、采用电话联系法行车时,列车凭站台值班员手信号发车。
C.C、当接车站同意接车时要向发车站发出电话记录号码。
D.D、采用电话联系法行站台值班员要根据行车值班员的指示填写路票,与司机进行交接。
[多选题]常见物体打击伤害事故类型有()。
A.坠落物伤人
B.飞溅物伤人
C.抛落物伤人
D.惯性力伤人
[多选题] 管式加热炉按传热方式可分为( )。
A.纯对流炉
B.辐射对流炉
C.辐射室炉
D.纯加热炉
[单项选择]某企业采用计划成本进行材料的日常核算。月初结存材料的计划成本为60万元,成本差异为超支1.8万元。当月入库材料的计划成本为180万元,成本差异为节约5.4万元。当月发出材料的计划成本为170万元,则当月发出材料的实际成本为( )万元。
A. 178.8
B. 162.55
C. 186.4
D. 167.45
[单选题]李某,男,80岁。智能减退,记忆力、计算力、定向力、判断力明显减退,神情呆钝,词不达意,头晕耳鸣,怠惰思卧,齿枯发焦,腰酸骨软,步履艰难,舌瘦色淡,苔薄白,脉沉细弱。其治疗首选的方剂是
A.涤痰汤
B.七福饮
C.转呆汤
D.通窍活血汤
E.补阳还五汤
[单选题]GW6型隔离开关,合闸终了位置动触头上端偏斜不得大于(____)mm。
A.±50
B.±60
C.±70
D.±100

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