热门试题:
[填空题] During recent years we have learned much about "race": how this race does certain things and that race believes certain things and so on. Yet, the (B1) phenomenon of race consists of few surface indications.
We judge race usually (B2) the coloring of the skin: a white race, a brown race, a yellow race and a black race. But (B3) you were to remove the skin you could not (B4) anything about the race to which the individual belonged to. There is (B5) in physical structure, the brain or the internal organs to (B6) a difference.
There are four types of blood. (B7) types are found in every race, and no type is distinct to any race. Human brains are the (B8) .No scientists could examine a brain and tell you the race to which the individual belonged. Brains will (B9) in size, but this occurs within every race. (B10) does size have anything to do with intelligence. The largest brain (B11) examined belonged to a person of weak (B12) .On
A. A．complete
B．full
C．total
D．whole
[多项选择]翠英（女性），今年25岁。刚有了第一个孩子，是三个月大的男孩。正在母乳喂养，但认为哺乳并不能避孕。翠英和丈夫可能很快开始性生活，但不想再次怀孕。前来询问避孕事宜。服务人员可以用（）表扬和鼓励此服务对象。
A. 你在和丈夫过性生活前来咨询避孕方法非常好
B. 你知道哺乳并不能避孕，你对计划生育还了解不少嘛
C. 看来你对没有采用避孕措施很着急
D. 你身体很好，任何避孕方法都可以采用
[单选题]在钻孔施工过程中，为了防止发生瓦斯超限事故，钻孔施工作业场所必须有良好的( )，并安设瓦斯自动报警断电仪。
A.A、喷水管道
B.B、照明
C.C、通风
[单项选择]正常脉象，以下错误的项目是（）
A. 三部有脉，一息四至
B. 不浮不沉
C. 来去不从容
D. 和缓而有力
[单选题]高层建筑施工用的受料台的( ) 应设置防护栏杆,以保护人、料安全。
A.二面
B.三面
C.四面
[单选题]《关于建立联合监督机制的实施意见》（农发银办〔2019〕57号）中提到建设联合监督机制的必要性不包括（ ）。
A.党委履行责任的重要抓手
B.保障高质量发展的必然要求
C.深化体制机制改革的重要内容
D.可持续发展的要求
[判断题]根据发卡机构的不同，信用卡可以分为银行卡和非银行卡。
[单项选择]车辆必须昼夜开启（）。
A. 黄色警示灯
B. 尾灯
C. 示宽灯
D. 近光灯
[单选题]动车组辅助电气设备包括各种风机、_________、车厢照明及各种服务性电气设备。
A.牵引系统
B.空调系统
C.制动系统
D.供风系统
[单选题]电子商业汇票系统全面采用（）系统的行名行号。
A.票据系统
B.大额支付
C.票交所系统
D.小额系统
[单项选择]工作时需要动态刷新的是（）。
A. DRAM
B. PROM
C. EPROM
D. SRAM
[单选题]税收保全措施涉及协助执行单位解除税收保全措施相关事项，应当向协助执行单位送达的文书是（）：
A.《税务事项通知书》
B.《税务协助执行通知书》
C.《解除税收保全措施通知书》
D.《解除税收保全措施决定书》
[单项选择]Importance of Children’s Oral Health
February is National Children’s Dental (牙齿的)Health Month，but in children good oral care is critical every day. The first comprehensive study on the nation’s oral health，released recently by the Office of the U.S. Surgeon General，calls dental and oral diseases a “silent epidemic (流行病)，” even in children. The report states that more than 51 million school hours are lost each year to dental-related illness. In fact，a recent study pointed to dental care as the most common unmet health need among American children.
To help counter this，the American Academy of Periodontology (牙周病学)(AAP)is launching an effort to educate children and parents about the prevention of dental diseases in children.
“This is important because oral problems can impact self-esteem for children and lead to problems of eating，speaking and attending to learning，” said Michael McGuire，president of the AAP.
Common dental problems seen in children are cavities (龋洞)and ging
A. Right
B. Wrong
C. Not mentioned
[单选题]挡土墙的作用主要用来维护土体边坡的稳定，防止坡体的滑移和土边坡的坍塌。（）;
A.正确;
B.错误;
[单项选择]患者男性，28岁，左胸外伤后肋骨骨折，极度呼吸困难，发绀、烦躁不安。体检：脉搏细速，血压84/62mmHg，皮肤湿冷，气管右移，颈静脉充盈，头颈部和右胸皮下气肿，左胸廓饱满、肋间隙增宽、呼吸幅度降低，叩诊呈鼓音，右肺呼吸音消失。
首要的急救措施是
A. 高流量给氧
B. 快速输血补液
C. 剖胸探查
D. 排气减压
E. 气管切开辅助呼吸
[判断题]配电装置与电动机械想连接的PE保护线,采用截面不小于1.5m㎡的绝缘多股铜线。 ( )
A.正确
B.错误
[判断题]安全线向车挡方向不应采用下坡道，其有效长度一般不小于30米。
A.正确
B.错误
[单选题]岩石中某一粒级含量为大于50%而小于75%,则认为分选( )。
A.好
B.中等
C.较差
D.较好
[单选题]电流对人体的伤害可以分为( )两种类型。
A.电伤电击
B.触电电击
C.电伤电烙印
[判断题]工作许可人、签发人和负责人应按照工作票的要求，履行各自安全责任，做好工作现场安全措施，经核对实际所做的现场措施与工作票一致，并经核对无误后，方能办理工作许可手续。
A.正确
B.错误
[单选题]学员在培训期间的表现应与(???)挂钩。
A.个人晋升
B.工资收入
C.年度评先
D.单位考勤
[判断题]职工供养的配偶、子女与其同行，可共同使用一张乘车证，但其配偶、子女不得单独使用。
A.正确
B.错误
[单项选择]管理型物业管理企业主要由管理人员组成，不带（）。
A. 领导层
B. 管理层
C. 服务层
D. 作业层
[单选题]ZDDY自动喷水灭火系统末端试水装置开启后出水压力不应低于()MPa。
A.0.05
B.0.1
C.0.15
D.0.2
[填空题]调车作业摘车时，必须停妥，按规定采取好___措施， 方可摘开车钩。
[单选题]在货物线附近搬运作业时，装卸、运输机具和人员进入距钢轨头部外侧（ ）米以内的空间，必须安设防护信号。
A.1
B.1.5
C.2
D.2.5
[单项选择]心肌梗死后的二级预防，下列哪种药物肯定有效（）
A. 硝酸甘油
B. 氟伐他汀
C. 硝苯地平
D. 阿司匹林
E. 胺碘酮
[单项选择]在网络操作系统的发展过程中，最早出现的是______。
A. 对等结构操作系统
B. 非对等结构操作系统
C. 客户机/服务器操作系统
D. 浏览器/服务器操作系统
[多选题] .根据《国内航行海船法定检验技术规则2011》客船应核算基本装载情况的稳性包括:( )
A.. 满载出港。
B.. 满载到港。
C.. 满客无货出港。
D.. 满客无货到港。
[单项选择]舌苔厚腻垢浊不化，状如霉酱，伴便秘腹胀者，常为（）
A. 宿食内积
B. 寒湿内停
C. 湿热内蕴
D. 脾虚失运
E. 心脾火炽
[单选题]哪项属于传染性"单个核细胞"增多症( )
A.中网状细胞增多
B.NAP积分
C.民成熟障碍
D.血涂片中异型淋巴细胞增多
E.白细胞增多且有明显毒性改变
[单项选择]Have you ever suddenly felt that someone you know was in trouble-and he was Have you ever dreamed something that came true later Maybe you have ESP(超感官知觉).
ESP stands for Extra Sensory Perception. It may be called a sixth sense. It seems to let people know about events before they happen, or events that are happening some distance away.
Here is an example: A woman was doing washing. Suddenly she screamed. "My father is dead! I saw him sitting in the chair!’ Just then, a telegram came. The woman’s father had died of a heart attack. He died sitting in a chair.
There are thousands of stories like this on record. Scientists are studying them to find out what is behind these strange mental messages. Here’s another example--one of hundreds of dreams that have come true.
A man dreamed he was walking along a road when a horse and carriage came by. The driver said, "There’s room for one more." The man felt the driver was Death, so he ran away. The next day the man was gettin
A. things which do not happen
B. things which happen by accident without necessary connection
C. things which are only dreams
D. things dreamed of only by sick people
[单项选择]根据《起重机械超载保护装置》（GB12602-2009），使用交流电源的装置应具有抗干扰措施，并通过规定的浪涌抗扰度试验，其中表4中规定的线对地的开路试验电压为（）伏特。
A. 1000
B. 2000
C. 3000
D. 4000
[单项选择]在电气安装工程中，室内低压引人线从支持绝缘子起至地面的距离不应小于（ ）。
A. 2.0m
B. 2.5m
C. 3.0m
D. 3.5m
