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[单选题]晶体管的运用有开关回路、定时回路、电压限制和( )。
A.发动机转速传感
B.空气流量传感
C.温度传感
D.电子点火

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[判断题]DC600V客车两个逆变器的输出不能并联,逆变器的输出三相禁止接入其他电源。
A.正确
B.错误
[判断题]请求救援的司机按规定采取防溜、防护措施后应报告车站值班员。
A.正确
B.错误
[单选题]有一种力量叫( ),它让你在不知不觉中似乎是毫无理由地改变着自己。像春风拂过一样:小草使大地渐渐地绿了,花开使空气缓缓地香了,绿柳使河堤慢慢地披上秀发,鸟儿的莺转鹂回使人们的心情静静地舒畅。假如你紧闭门窗数日,突然走进花开时分的百花园时,你才会发现,才能清清楚楚地明白春风的( )所在。
A.情不自禁、力量
B.潜移默化、魔力
C.滴水穿石、精神
D.鬼使神差、魅力
[单项选择]
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Most people have experienced the feeling, after a taxing mental work-out, that they cannot be bothered to make any more decisions. If they are forced to, they may do so intuitively, rather than by reasoning. Such apathy is of ten put down to tiredness; but a study published recently in Psychological Science suggests there may be more to it than that. Whether reason or intuition is used may depend simply on the decision-maker’s blood-sugar level—which is, itself, affected by the process of reasoning.
E.J. Masicampo and Roy Baumeister of Florida State University discovered this by doing some experiments on that most popular of laboratory animals, the impoverished undergraduate. They asked 121 psychology students who had volunteered for the experiment to watch a silent video of a woman being interviewed t
A. people are not able to make important decisions when hungry.
B. decisions made on an empty stomach may be unreasonable.
C. people are less intelligent when they are hungry.
D. people are more intelligent when they are hungry.
[单选题]When countries develop economically,people live longer lives.Development experts have long Delieved this is because having more money expands lifespan,but a massive new study suggests that education may play a bigger role.The finding has huge implications for public health spending.Back in 1975,economists plotted rising life expectancies against countries'wealth,and concluded that wealth itself increases longevity.It seemed self-evident:everything people need to be health from food to medical care--costs money But soon it emerged that the data didn't always fit that theory.Economic upturns didn’t always mean longer lives.In addition,for reasons that weren't clear,a given gain in gross domestic product(GDP)caused increasingly higher gains in life expectancy over time,as though it was becoming cheaper to add years of life.Me moreover,in the 1980s researchers found ga ins in literacy were associated with greater increases in life expectancy than gains in wealth were Finally,the more educated people in any country tend to live longer than their less educated compatriots.But such people also tend to be wealthier,so it has been difficult to untangle which factor is increasing lifespan Permanent change Wolfgang Lutz of the International Institute for Applied Systems Analysis in Vienna and colleagues have now done that by compiling average data on GDP per person,lifespans,and years of education from 174 countries,dating from 1970 to 2010 They found that,Just as in 1975,wealth correlated with longevity.But the correlation between longevity and years of schooling was closer,with a direct relationship that did not change over time way wealth does When the team put both these factors into the same mathematical model,they found that differences in education closely predicted differences in life expectancy,while changes in wealth barely mattered Lutz argues that because schooling happens many years before a person has attained their life expectancy,this correlation reflects cause:better education drives longer life.It also tends to lead to more wealh,which is why wealth and longevity are also correlated.But what is important,says Lutz,is that wealth does not seem to be driving longevity,as experts thought-in fact,education is driving both of them Lifestyle choices Some medical professionals may not like these findings,"says Lutz,as they suggest schools may be a better health investment than high-tech hospitals.But RudigerKrech at the World Health Organization welcomes the study."It confirms education as a major social determinant of health,"he says-aconcept WHO actively promotes.But if medical health experts welcome the findings,economists are less comfortable Sangheon Lee,at the UN International Labour Organisation in Geneva,Switzerland agrees education affects lifespan but doubts that simple models like Lutz's can fully resolve cause and effect."It's a very difficult econometric problem,"he says,with health,wealth and education all affecting each other But Lutz says that extreme examples are telling.Cuba is dead poor but has a higher life expectancy than the US because it is well educated.Meanwhile in oil-rich but poorly-educated Equatorial Guinea,people rarely reach 60 The case of Cuba in the last paragraph is used to
A.demonstrate that Cuba is a developing country with long life expectancy
B.show Cuba is a developing country and is often depicted as a very poor count
C.show that it ranks much better than most countries in Latin America in education
D.illustrate more education is what makes people live longer,not more money
[单选题]“遥知不是雪,为有暗香来”中指的是哪种花的香气?____(出题单位:山东科技报社推荐单位:山东学习平台)
A. 兰花
B. 梨花
C. 梅花
D. 百合
[单选题]煤矿企业在安全生产许可证有效期满时,()延期手续,继续进行生产,是一种违法行为,应当承担相应的法律责任。
A.刚办理
B.已办理
C.未办理
[单选题]社会公益活动属于课外活动的哪种组织形式?( )
A.群众性活动
B.小组活动
C.个人活动
D.社会活动
[简答题]体会《长沙市火柴脱销的原因何在?》一文的采访方式。
[判断题]现场安全措施布置不到位,存在误入、误碰、误登 带电设备的情况是红线禁令。
A.正确
B.错误
[多项选择]一个Windows窗口可以被()。
A. 移动
B. 最大化
C. 最小化
D. 改变大小
[单项选择]平安险是中国人民保险公司海洋货物运输保障的主要险别之一。下列哪一损失不能包括在平安险的责任范围之内?()
A. 被保险货物在运输途中由于自然灾害造成的全部损失
B. 被保险货物在运输途中由于自然灾害造成的部分损失
C. 共同海损的牺牲、分摊
D. 共同海损的救助费用
[简答题](45444)钢轨低接头(或打塌)病害一般均发生在___________地段,尤以曲线下股比较多见。(1.0分)
[单选题]换气过程的( )主要影响发动机的动力性指标。
A.热效率
B.充气效率
C.机械效率
D.充气量
[单选题]下列不属于风险转移方式的是( )。
A.保险
B.担保
C.转让
D.分散经营对象
[单选题]120km/h<Vmax≤160km/h区段,本线来车不小于( )m下道完毕。
A.1100
B.1200
C.1300
D.1400
[判断题]公安民警徒手制止或使用警械制止违法犯罪行为人的违法犯罪行为时,不得直接击打犯罪行为人的头部、裆部等致命部位。 ( )
A.正确
B.错误
[多项选择]公司设立的方式可分为( )设立。
A. 发起
B. 募集
C. 登记
D. 核准
E. 协议
[单项选择]下列对附条件合同中的条件表述正确的是( )
A. 条件必须是已经发生的事实
B. 条件是确定的事实
C. 条件是由法定的
D. 条件不得与合同的主要内容相矛盾
[单项选择]CRTSⅡ型轨道板精调采用()进行。
A. 千斤顶
B. 螺杆调整器
C. 螺旋调整器
[简答题]安全分析包括下列内容:
[判断题]建筑物顶层广告设施基础制作有时会遇到与原建筑结构主柱樑钢结构、钢筋焊接的连接方法。焊接后应进行强度试验。
A.正确
B.错误
[单项选择]患者,女性,38岁,左下后牙3天来持续胀痛,有冷热刺激痛,有跳痛,不能咬物。近2个月以来,该牙一直严重食物嵌塞而来我院就诊。该患者,检查时最有可能见到的临床表现是()
A. 深及牙髓的龋洞与牙髓息肉
B. 充血水肿的牙间龈乳头与邻面龋
C. 牙龈红肿与多量的牙石
D. 深及根尖的牙周袋和牙周脓肿
E. 相应面部的肿痛和患牙龈瘘
[单项选择]所谓知识经济,是指建立在知识和信息的生产、分配和使用上的经济,是以智力资源的占有、配置以及知识的生产、分配和使用为最重要因素的经济。 这段话主要是讲( )。
A. 知识经济的来源
B. 知识经济的含义
C. 知识经济的形式
D. 知识经济的特点
[单选题]允许的计划结束时间为:运营时刻表第一列电客车到达转换轨前( )分钟。.
A.10.
B.20.
C.30.
D.60.
[判断题]运营线列车脱轨为事件苗子。
A.正确
B.错误
[单选题]缴费单位和缴费个人应当以()形式全额缴纳社会保险费。
A.等价物品
B.货币
C.等价证券
D.以上均可
[单选题]气团的分类方法正确的是?
A..冷气团和干气团
B..暖气团和湿气团
C..北冰洋气团、极地气团,热带气团、赤道气团
[判断题]长延时的电磁式过电流继电器,适用于过载保护。
A.正确
B.错误
[多选题]属于心理异常的包括( ) 分值 1 分
A.精神分裂症
B.确诊的神经症
C.人格障碍
D.心境障碍
[多选题]《生产安全事故报告和调查处理条例》规定.事故调查处理应当坚持 实事求是、尊重科学的原则.及时、准确地查清事故经过、事故原因和事故损 失. .并对事故责任者依法追究责任。
A.认定事故责任
B.查明事故性质
C.总结事故教训
D.提出整改措施
E.提岀罚款建议
[多选题]按脱氧程度的不同,钢可以分为( )。
A.镇静钢
B.沸腾钢
C.半镇静钢
D.合结钢
E.E.不锈钢
[判断题]规范规定,挤土预制桩的最小间距为2d(d为桩径)
[判断题]高层建筑一般不应破拆窗和幕墙玻璃,避免碎片掉落威胁地面车辆、人员安全。( )
A.正确
B.错误
[单选题]如果创伤不十分严重,可考虑()左右松一次止血带,每次松开不宜超过2~3分钟,且在松止血带时应用指压法,暂时压住出血部位
A.10分钟
B.半小时
C.一小时
D.一个半小时
[单项选择]下列设备组中,完全属于计算机输出设备的一组是
A. 喷墨打印机、显示器、键盘
B. 激光打印机、键盘、鼠标器
C. 键盘、鼠标器、扫描仪
D. 打印机、绘图仪、显示器
[多选题]二、三类客户定量评价指标主要包括( )等方面。
A.规模
B.偿债能力
C.杠杆比率
D.竞争能力
E.流动性
F.盈利性
[单项选择]Though it is a mere one to three percent of the population, the upper class possesses at least 25 percent of the nation’s wealth. This class has two segments: upper-upper and lower-upper. (67) , the upper-upper class is the "old rich" — families that have been wealthy for several generations — a nobility of (68) and wealth. A few are known across the nation, such as the Rockefellers, and the Vanderbilts. Most are not (69) to the general public. They have no (70) to the rest of the community, (71) their income from the investment of their inherited wealth. By (72) , the lower-upper class is the "new rich". (73) they may be wealthier than some of the old rich, the new rich have been (74) to make their money like (75) else beneath their class. (76) their status is generally (77) than that of the old rich, who have not found it necessary to lift a finger to make their mone
A. greedy
B. indifferent
C. sympathetic
D. depressed
[判断题]CPC 卡在 ETC/MTC 混合入口车道发放,ETC/MTC 混合口车道回收, 发放时严格遵循(“一车一卡”)原则及收费业务要求。
A.正确
B.错误

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