热门试题:
[判断题]逆变焊接电源由于变压器和电抗器体积小，它们的铜损和铁损也随之减小，而且开关控制功率损耗也小。
A.正确
B.错误
[单项选择]体温每降低1℃，脑代谢率降低约（）
A. 2%～3%
B. 6%～7%
C. 9%～10%
D. 12%～13%
E. 15%
[多选题]储存气瓶的仓库内，要求是（ ）
A.A.备有消防用具
B.B.采用防爆的照明
C.C.室内通风应良好
D.D.采用充足的照明
[单选题]疑似布鲁菌病时，血培养至少连续培养的时间为
A.1周
B.2周
C.3周
D.4周
E.5周
[单选题]电缆终端头,根据现场运行情况每( )停电检修一次。
A.半年
B.三个月
C.1
D.3年
[判断题]发生线路中断旅客要求退票时,不论在发站还是在中途站,均退还全部票价,不收退票费。
A.正确
B.错误
[单项选择]
U.S. to Start $ 3.2 Billion Child Health Study in January
A study that will cost $ 3.2 billion and last more than two decades to track the health of 100,000 U. S. children from before birth to age 21 will be launched in January, U. S. health officials said on Friday.
Officials from the U. S. government’s National Institutes of Health said they hope the study, to be conducted at 105 locations throughout the United States, can help identify early-life influences that affect later development, with the goal of learning new ways to treat or prevent illness.
The study will examine hereditary(遗传的) and environmental factors such as exposure to certain chemicals that affect health.
Researchers will collect genetic and biological samples from people in the study as well as samples from the homes of the women and their babies including air, water, dust and materials used to construct their residences, the NIH said.
Officials sai
A. conduct research
B. track public health
C. prevent or treat illness
D. speed up development
[单选题]3.762. 第762题三相四线三元件有功电能表在测量平衡负载的三相四线电能时，若有两相电压断线，则电能表将( )。
A.停转
B.少计2/3
C.倒走1/3
D.正常
[单项选择]低渗性脱水的体液容量改变为
A. 细胞内液显著减少，细胞外液轻度减少
B. 细胞内液显著减少，细胞外液正常
C. 细胞外液显著减少，细胞内液轻度减少
D. 细胞内、外液按比例减少
E. 细胞外液减少，细胞内液正常
[判断题]临时用电在正式运行的电源上所接的非永久性用电。（）
A.正确
B.错误
[判断题]员工只要在工作日规定上班时间前到达工作岗位、规定下班时间之后离开工作岗位，无论是否通过有效考勤设备记录时间，均应做为正常出勤。
A.正确
B.错误
[单项选择]脾肺气虚型产后大便难的治法是（）。
A. 补脾益肺，润肠通便
B. 养血润燥，润肠通便
C. 行气导滞
D. 泻下通腑
E. 以上均不是
[单项选择]住院次均医保总费用标准包含（）
A. 病种摊入住院次均医保费用标准
B. 超4倍摊入住院次均医保费用标准
C. 超3倍摊入住院次均医保费用标准
D. 普通住院次均医保费用标准
[单项选择]______作为葡萄糖供体参与植物淀粉合成。
A. CDPG
B. GDPG
C. UDPG
D. ADPG
[单项选择]机场土(石)方的基本施工程序包括土(石)方平整和（ ）。
A. 振实
B. 夯实
C. 密实
D. 压实
[判断题]凝结水泵安装在热水井下面0.5 ~ 0.8m处的目的是防止水泵汽化。( )
A.正确
B.错误
[单选题]甲公司为增值税一般纳税人，2020 年 9 月销售啤酒取得含税价款 226 万元，另收取包装物租金 1.13 万元，包装物押金 3.39 万元，已知增值税适用税率为 13%，计算甲公司当月上述业务增值税销项税额的下列算式中，正确的是（ ）。
A.（226＋1.13）÷（1＋13%）×13%＝26.13万元
B.226÷（1＋13%）×13%＝26万元
C.226×13%＝29.38万元
D.（226＋1.13＋3.39）÷（1＋13%）×13%＝26.52万元
[单项选择]
The world is undergoing a great transition marked by uncertainty and complexity which we do not yet understand.
This poses (提出) a challenge to young people all over the world, for in about 15 years’ time youth will play a fundamental role as never before in the history of the world. Young people will make up over half the population in developing countries—the so-called countries of the South. In the North they will have the heavy responsibility of providing for societies in which elderly people will generally be in the majority. It is probably not by chance that young people in different parts of the world today represent a movement of challenge and pressure which is shaking government and attempting to impose new values in a universe which they perceive as inhospitable (冷淡的) or even hostile.
We have come a long way from the early 20th century concept of perpetual 3% annual growth, which fitted so well with the Newtonian vision of the world—a vi
A. Youth will play a fundamental role as never before in the history of the world in about 15 years’ time.
B. The world is considered as inhospitable or even hostile.
C. In the North, youth will have the responsibility of providing for societies in which elderly people will generally be in the majority.
D. Young people will make up over half of the population in developing countries.
[判断题]加强对抓基层工作的组织领导，要做到统一规划部署、统一规范秩序、统一协调工作、统一财物投向。( )
A.正确
B.错误
[单项选择]税收执法管理信息系统V1.1版考核子系统，业务数据更新的时间周期是（）。
A. 一天
B. 一周
C. 一个月
[多选题]出动命令的下达方法有( )( 中 )(消防业务信息系统)
A.自动传输
B.联动启动
C.专线调度
D.无线调度
[单选题]高压验电前，验电器应先在有电设备上试验，确认证验电器良好；无法在有电设备上试验时，可用（ ）等确证验电器良好。
A.高频高压发生器
B.工频高压发生器
C.低频高压发生器
D.工频低压发生器
[多项选择]辩证法的否定观包含的内容有（）
A. 辩证的否定是自我否定
B. 辩证的否定是联系的环节
C. 辩证的否定是发展的环节
D. 辩证的否定是扬弃
[单选题]多人顺线路行走时，要列队行走，( )并排行走。
A.严禁
B.可以
C.允许
[判断题]
消火栓.消防水池等公共消防设施的建设.维护管理单位应当为公共消防设施设置醒目的消防安全标志,并保持完好。
A.正确
B.错误
[单项选择]裁判暂停应作出“T”字手势，鸣几下短哨声（）
A. 1
B. 2
C. 3
[多选题]下列哪些属于城市轨道交通运营秩序的禁止行为（）。
A.拦截列车、阻断城市轨道交通运输；
B.擅自进入轨道、隧道或者其他有警示标志的区域；
C.攀爬、翻越或者推挤围墙、栏杆、闸机、机车、站台门及屏蔽门等；
D.强行上下车；
[单选题]增强( )本领,坚持说实话、谋实事、出实招、求实效,把雷厉风行和久久为功有 机结合起来,勇于攻坚克难,以钉钉子精神做实做细做好各项工作。
*
A.改革创新
B.实事求是
C.狠抓落实
D.开拓进取
[单选题]下列药物中均为幽门螺杆菌的治疗方案药物的是
A. 奥美拉唑十克拉霉素+阿莫西林+枸橼酸铋钾
B. 红霉素十奥美拉唑十阿莫西林十枸橼酸铋钾
C. 硫酸镁十奥美拉唑十克拉霉素+枸橼酸铋钾
D. 多潘立酮十奥美拉唑十克拉霉素+枸橼酸铋钾
E. 青霉素十克拉霉素十甲硝唑十枸橼酸铋钾
[判断题]公元581年，北周贵族杨坚废北周皇帝自立，建立隋朝，定都洛阳。
[单项选择]手部开放性损伤中，刺伤的特点是（）
A. 创口无任何规律可循
B. 创口整齐，污染较轻，但出血多
C. 创口小而深，可损伤深部组织
D. 可有皮肤脱套伤，肌腱被拉出，骨骼可能破坏
E. 创口不规律，伴有多发性骨折和内在肌挫伤
[单项选择]
Direct advertising includes all forms of sales appeals, mailed, delivered, or exhibited directly to the prospective buyer of an advertised product or service, without use of any indirect medium, such as newspapers or television. Direct advertising logically may be divided into three broad classifications, namely, direct-mail advertising, mail order advertising, and unmailed direct advertising.
All forms of sales appeals that are sent through the mails are considered direct-mall advertising. The chief functions of direct-mail advertising are to familiarize prospective buyers with a product, its name, its maker, and its merits and with the products local distributors. The direct-mall appeal is designed also to support the sales activities of retailers by encouraging the continued patronage of both old and new customers.
When no personal selling is involved, other methods are needed to persuade people to send in orders by mail. In addition to newspapers, magazines, r
A. direct advertising is the best way to promote a product
B. companies are trying to find the best way to sell their products
C. advertising is becoming enriched by the research in this area
D. old ways of advertising is giving ways to new ways of doing it
[判断题]一阶电路的全响应，等于其稳态分量和暂态分量之和。
[单选题]电能计量装置配置原则中，（ ）及以上电压互感器一次侧安装隔离开关。
A.220kV
B.110kV
C.35kV
D.10kV
[单选题]在建设工程进度控制中，通过建设单位招标的进度优惠条件鼓励施工单位加快进度的进度控制方法是()。
A.经济措施
B.行政方法
C.管理技术方法
D.管理技术方法加行政方法
[多选题]施工机具应定期进行()。
A.试用$
B.$保养$
C.$维护$
D.$修理
[单项选择]护士在抢救患者时，操作不正确的是（）
A. 口头医嘱必须向医生复诵一次，双方确认无误方可执行
B. 用完的空安瓿应及时处理
C. 抢救后应及时请医生补写医嘱
D. 输液瓶、输血袋等用后要统一放置
E. 医生未到时可先建立静脉通道
[单选题]使用明尼苏达多项人格调查表(MMPI)测查某人的人格特征，并计算各人格因子得分，这是( )
A.心理测量
B.心理测验
C.以上都不是
D.心理诊断
E.心理评估
