热门试题:
[单选题]大型机械在线间距小于( )地段进行清筛、铺轨排作业,邻线通过列车速度不应超过120 km/h。
A.4.0 m
B.4.2 m
C.5 m
D.6.5 m
[多选题]电气测量工作,至少应由()进行,一人(),一人()。夜间测量工作,应有()。
A.两人
B.操作
C.监护
D.有足够的照明
[单选题]P60-1/9号单开道岔第一点牵引动程为()
A.150mm
B.155mm
C.160mm
D.165mm
[多选题]关于汽轮机主汽门、调速汽门严密性试验,说法正确的有( )。
A.稳定蒸汽参数,汽轮机转速在3000r/min,运转正常
B.关闭主汽门,检查盘上关闭信号、就地位置都在关闭状态
C.监视转速下降到规定转速,方可开启主汽门
D.将转速重新升到1000r/min用同样方法做调速汽门严密性试验。
[单选题]3施工机具保管和试验。14.3.1施工机具应有专用库房存放,库房要保持干燥、经常通风。【单选题】施工机具应有专用库房存放,库房要保持()、经常()。
A.整齐通风
B.干燥通风
C.干净整齐
D.湿润整洁
[单项选择]Passage Two
Today, many people are starving to death. There is a shortage of food and the available food is too expensive for hungry people to buy. Therefore, they go without food, or each day have only one or two small meals lacking the necessary vitamins to maintain good health.
Recently, a man who wanted to understand the conditions of such people conducted an experiment. He only ate one meal a day for a month but continued to work as he normally did.
During the first five days he was hungry at his regular meal times. but after he had drunk a glass of water his hunger went away. In the evening. when he ate his one meal. he ate quickly and consumed a large amount. During the next few days, although he was not hungry during the day, he quickly noticed every food stall, and the smell of food caught his attention. During the third and fourth weeks, he had hunger pains and lacked physical strength. He looked forward to his one meal and ate it very slowly.
A. got rid of his thirst
B. could remove his hunger
C. hardly produced any effect
D. Only made him feel hungrier
[多选题]智慧运营数据明细可以查看哪些内容?
A.销售数据
B.运营效率
C.物料成本
D.人力成本
[单项选择]
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Space is a dangerous
place, not only because of meteors but also because of rays from the sun and
other stars. The atmosphere again acts as our protective blanket on earth. Light
gets through, and this is essential for plants to make the food which we eat.
Heat, too, makes our environment endurable. Various kinds of rays come through
the air from outer space, but enormous quantities of radiation from the sun are
screened off. As soon as men leave the atmosphere they are exposed to this
radiation but their space suits or the walls of their spacecraft, if they are
inside, do prevent a lot of radiation damage.
Radiation is the
greatest known danger to explorers in space. The unit of radiation is called
"rem". Scientists have reason to think that a man can put up with far more
radiation than 0.1 rem without being damaged; the figure of 60 rems has been
agreed on. The trouble is that it is extremely difficult to b
A. it protects him against the harmful rays from space
B. it provides sufficient light for plant growth
C. it supplies the heat necessary for human survival
D. it screens off the falling meteors
[多选题]许可开始工作的命令,应通知工作负责人。其方法可采用:( )
A.口头通知
B.当面许可
C.电话许可
D.短信传达
[单选题]()用于办理临时机构以及单位存款人临时经营活动发生的资金收付。
A.基本存款账户
B.一般存款账户
C.专用存款账户
D.临时存款账户
[单选题] 在电路中,开关应控制()。
A.零线
B. 相线
C. 地线
[简答题]信用卡密码按用途可分为几种?分别用在什么交易?
[单项选择]患者,男,78岁,肺癌,发热,寒颤,皮肤广泛瘀斑,考虑存在DIC,应用肝素治疗,肝素抗凝的主要机制是
A. 抑制凝血酶原的激活
B. 抑制因子X的激活
C. 促进纤维蛋白吸附凝血酶
D. 增强抗凝血酶Ⅲ活性
E. 抑制血小板聚集
[单选题]企业委托加工材料发生的加工费,应计入的会计科目为( )。
A.管理费用
B.销售费用
C.委托加工物资
D.材料成本差异
[单选题]某境外非政府组织在中国境内开展活动,下列活动中符合法律规定的是()。
A.在甲市从事风景名胜区域的营利性开发利用
B.在乙市资助王某进行乡镇长的选举
C.在丙市为“全能神”活动提供资金支持
D.在丁市开办非营利性的音乐培训机构
[单项选择]张××,男,28岁。平素体壮,食欲良好,大便偏干,近期因感冒初愈,大便干结加重,数日一行,伴有腹中胀满,面红烦热,口干口臭,唇焦色红,舌红苔黄,脉滑数。那么下列治疗方法中最为适合该患者临床特点的是()
A. 清热润肠
B. 增液行舟
C. 滋阴养血
D. 泻热行气
E. 泻热消食
[判断题]铁路从业人员坐卧线路、钻车底、以车代步或飞乘飞降等违反劳动安全行为。一经检查发现,应内部待岗三个月,调离原岗位。
A.正确
B.错误
[单选题]下列关于职业倦怠的干预,不正确的做法是( )。
A.对管理者进行心理技能培训,帮助员工建立心理恢复计划
B.通过有效提供物质和精神支持改善职业倦怠现象
C.适当丰富工作内容,采取轮岗的方式,缓冲乃至消除疲劳感和乏味感
D.严格执行奖惩制度,发现问题严肃处理
[单选题]值班人员对新装或大修后的变压器投入运行后( )小时内,要每隔两小时巡视1次。(职工)(应知应会-《检规》第20条)
A.12
B.24
C.36
D.48
[单项选择]关于急性胰腺炎时淀粉酶的说法下列错误的是()
A. 尿淀粉酶值受患者尿量的影响
B. 胰源性胸腔积液和腹水中的淀粉酶值亦明显升高
C. 重症胰腺炎的淀粉酶值可正常或低于正常
D. 部分急腹症的淀粉酶一般不超过正常值的2倍
E. 血淀粉酶的高低反映病情轻重
[单选题]汤臣倍健褪黑素片的卖点定位是( )
A.睡眠之宝
B.助眠之宝
C.中老年的助眠之宝
D.所有人的助眠之宝
[单项选择]2型糖尿病发病机制是()
A. 胰岛素拮抗激素分泌增多
B. 胰岛素B细胞遗传缺陷
C. 胰岛素抵抗和胰岛素分泌缺陷
D. 胰岛B细胞破坏,胰岛素绝对不足
E. 胰岛B细胞自身免疫反应性损伤
[单项选择]生态学研究与其他研究方法最主要的区别是()
A. 以群体为观察和分析单位
B. 可以进行不同人群发病或患病频率的比较
C. 可应用常规资料进行研究
D. 更容易控制混杂因素
E. 样本量更大
[多项选择]工程咨询单位接受政府部门、机构委托,为它们出资建设项目、课题研究提供服务,包括( )。
A. 规划咨询
B. 项目评估
C. 专题研究
D. 政策咨询
E. 项目后评价
[多选题]在电力线路上工作,保证安全的技术措施有:( )
A.停电
B.验电
C.装设接地线
D.悬挂标示牌和装设遮栏
[单选题] 第 231 题, 本小题 1 分
500kV变压器外施工频耐压试验,中性点经小阻抗接地时,变压器中性点交接耐压值为(____)kV。
A. 68
B. 112
C. 160
D. 184
[单项选择]患者查出脑血管畸形,突然跌倒,昏迷,脉搏52次/分,双瞳不等大,左瞳孔4mm,右瞳孔2mm,右侧锥体束征阳性,诊断为
A. 蝴蝶征
B. 靶征
C. 透明隔增厚征
D. 白质推挤征
E. 三角征
[单项选择]关于骨关节结核的叙述中下列哪项不对
A. 骨关节结核中,脊柱结核最多见
B. 脊柱结核中,腰椎发病占首位
C. 脊椎结核好发于椎体
D. 皮质骨结核常见于四肢短管状骨
E. 滑膜结核最多见于腕关节
[单选题]( )更加强调购买过程的早期情况,即知觉过程、学习过程及态度的形成。
A.恩格尔模式
B. 尼科西亚模式
C. 霍华德一谢思模式
D.尼斯模式
[判断题]公安交警现场查获的机动车不礼让斑马线交通违法行为,以车辆实际驾驶人作为纳入文明单位动态管理对象
A.正确
B.错误
[填空题]窗体由多个部分组成,每个部分称为一个 “【 】”。
[单项选择]患者,男,34岁。胆囊穿孔术后7天,有弛张热,下腹胀,大便次数增多。应首先考虑的是
A. 慢性胃肠炎
B. 肝脓肿
C. 肠间脓肿
D. 盆腔脓肿
E. 粘连性肠梗阻
[多项选择]钻进中,发生()、()、()钻进不正常时,均须由班长或熟练钻工操作。
A. 冲孔
B. 扫孔
C. 扫脱落岩心
D. 落钻