热门试题:
[判断题]雷诺数指包括所有影响流体状态,改变的一组物理量所组成的无因次数群,称为雷诺数。可写成为: Re=D.*u*ρ/μ。Re>4000,湍流。流体质点有返混和径向流动,平均流速约为最大流速的0.8倍。( )
A.正确
B.错误
[单项选择]镇痛药起效迅速,但病人血药浓度波动大的给药方式是( )
A. 肌内注射 B.口服 C.静脉单次注射 D.静脉持续滴注 E.硬膜外给药
[单选题] 夜间交通事故处置,应调派()到场。( )
A. 照明车
B. 供电车
C. 器材供应车
D. 牵引车
[单选题]禁用高蛋白饮食的病人是
A.严重贫血病人
B.肾病综合征病人
C.肝昏迷病人
D.大手术后病人
E.肺结核病人
[单选题]下列细菌不会引起侵袭性肠炎的是
A.空肠弯曲菌
B.耶尔森菌
C.志贺氏菌
D.金黄色葡萄球菌
E.产毒素性大肠杆菌
[填空题]高速公路实施灭火救援现场警戒时,警戒距离不少于( )米,并在( )米处设置第二道警戒,同时安排人员利用( )警示提醒来车避让。
[单选题] 主变压器油温表测量的温度是指( )。
A.绕组温度
B.铁芯温度
C.上层油的平均温度
D.下层油的平均温度
[单项选择]某场地的粉土层取6个土样进行直剪试验,测得c(kPa)为:16、15、13、18、22、20,(°)为:20、22、22、24、21、23。试问:计算该粉土的c的标准值CK最接近下列()项。()
A. 14.16
B. 14.57
C. 15.12
D. 15.36
[多选题]不动产登记应当履行的职责有( )
A. 查验申请人提供的权属证明和其他必要材料
B. 就有关登记事项询问申请人
C. 如实、及时登记有关事
项
D. 法律、法规规定的其他事项
(D 应为法律、行政法规规定的其他事项)
[多项选择]三七的主治病证是()
A. 出血证
B. 跌打损伤,瘀血肿痛
C. 胃热呕吐
D. 虚损劳伤
E. 水肿,黄疸
[简答题] 遇天气恶劣,信号机显示距离不足200 m时,司机应如何行车?J338
[单选题]涵洞内钢筋混凝土结构裂缝宽度大于等于( );混凝土拱形结构(含砖、石等砌体拱形结构)裂缝宽度大于等于20mm,应有计划地安排处理。
A.0.2mm
B.0.3mm
C.0.4mm
D.0.5mm
[单项选择]Olympic Games are held every four years at a different site, in which athletes
21
different nations compete against each other in a
22
of sports. There are two types of Olympics, the Summer Olympics and the Winter Olympics.
In order to
23
the Olympics, a city must submit a proposal to the International Olympic committee (IOC). After all proposals have been
24
, the IOC votes. If no one city is successful in gaining a majority in the first vote, the city with the fewest votes is eliminated, and voting continues with
25
rounds, until a majority winner is determined. Typically the Games are awarded several years in advance,
26
the winning city time to prepare for the Games. In selecting the
27
of the Olympic Games, the IOC considers a number of factors, chief among them which city has, or promises to build, the best facilities, and which organizing committee seems most likely to
28
the Games effectively.
The IOC also
29
which parts of the world have not yet hosted the Games.
30
, Tokyo, Japan, the host of the 1964 Summer Games, and Mexico city, Mexico, the host of the 1968 Summer Games, were chosen
31
to popularize the Olympic movement In Asia and in Latin America.
32
the growing importance of television worldwide, the IOC in recent years has also taken into
33
the host city"s time zone.
34
the Games take place in the United States or Canada, for example, American television networks are willing to pay
35
higher amounts for television rights because they can broadcast popular events
36
, in prime viewing hours.
37
the Games have been awarded, it is the responsibility of the local organizing committee to finance them. This is often done with a portion of the Olympic television
38
and with corporate sponsorships, ticket sales, and other smaller revenue sources. In many
39
there is also direct government support.
Although many cities have achieved a financial profit by hosting the Games, the Olympics can be financially
40
. When the revenues from the Games were less than expected, the city was left with large debts.
A. supported
B. submitted
C. substituted
D. subordinated
[单选题]闪燃和阴燃是燃烧的不同形式。下列有关闪燃和阴燃的说法中,正确的是( )。
A.闪燃是看得到的燃烧,阴燃是看不到的燃烧
B.闪燃是可燃物表面或可燃液体上方在很短时间内重复出现火焰一闪即灭的现象,阴燃是没有火焰和可见光的燃烧
C.闪燃温度高,阴燃温度低
D.阴燃得到足够氧气会转变成闪燃
[简答题]论述题:请根据《九号线自控系统操作手册》论述如何通过FAS总线控制面板对防爆火焰探测器、防爆型感温探测器进行复位操作。
[单项选择]实施通风的目的不包括( )。
A. 控制空气传播污染物
B. 防止大气污染
C. 保证环境空间具有良好的空气品质
D. 提供人的生命过程的供氧量
[判断题]总收入完全能够弥补支出时,我们说这时达到了财务自由。()
A.正确
B.错误
[单项选择]患者男性,50岁,2周前发现右下后牙龈有小包。平时无明显不适,曾在外院摄X线片。查:见右下第一前磨牙咬合面龋洞深,探无感觉,叩痛异常感,右下第一磨牙近中根尖部牙龈上有瘘管。X线片见右下第一前磨牙根尖X透射区不规则,边界模糊。右下第三磨牙前倾阻生,余未见异常主诉牙治疗设计应为().
A. 牙周治疗
B. 干髓治疗
C. 根管治疗
D. 塑化治疗
E. 患牙拔除
[单选题]我国第一台10亿次/秒的巨型电子计算机上世纪九十年代在国防科技大学研制成功,它的名称是____。
A.东方红
B.神威
C.曙光
D.银河-II
[单选题]FCOM12074多少油量的时候,可以在上部显示器上看到琥珀色的低油量灯指示?
A.中央油箱低于2000磅(907公斤)
B.中央油箱低于6000磅(2720公斤)
C.任何一个主油箱低于2000磅(907公斤)
D.任何一个主油箱低于6000磅(2720公斤)
[多选题]包扎的目的在于( )。
A.减少伤口污染
B.止血
C.减少疼痛
D.固定肢体
[单项选择]手工熨烫是通过利用()工艺来实现对服装的塑型。
A. 热熔
B. 归拔
C. 层势
D. 热敷
[多选题]港口库场使用应遵循的原则( )。(库场使用001)
A.计划性
B.科学性
C.经济性
D.安全性
[单项选择]新生儿胎便排完时间()。
A. 3~4小时
B. 1~2天
C. 3~4天
D. 5~6天
E. 3~4周
[判断题]无砟轨道路肩宽度根据无砟轨道形式、电缆槽和接触网基础类型确定。
A.正确
B.错误
[单选题]因违法行为或者违纪行为被开除的期货交易所、证券交易所、证券登记结算机构、证券服务机构、期货公司、证券公司的从业人员和被开除的国家机关工作人员,自被开除之日起未逾( )年,不得申请期货公司董事、监事和高级管理人员的任职资格。
A.1
B.2
C.3
D.5
[多选题]道岔故障现象是在道岔正常状态或转换中失去表示时,车站HMI、中央MMI显示 ,车站HMI、中央MMI弹出式报警“XX站XX道岔挤岔报警”,车站HMI提示“ ”语音报警,挤岔表示灯亮 。
A.道岔编号红闪
B.岔尖红闪
C.道岔挤岔
D.红灯
[单项选择]以下不属于广告中的不正当行为的是()。
A. 变相贿赂招揽广告业务
B. 散布不真实信息
C. 贬低同类商品
D. 使用抽奖式有奖销售,奖额为3000元
[判断题]( )1969维持需要从畜禽生理上讲,是必不可少的。
A.正确
B.错误
[判断题]在任何情况下,列车最后一辆不得为关门车。
A.正确
B.错误
[单项选择]
People born in autumn live longer than
those born in spring and are{{U}} (31) {{/U}}likely .to fall chronically
iii when they are older, according to an Austrian scientist. Using{{U}}
(32) {{/U}}data for more than one million people in Austria, Denmark
and Australia, scientists at the Max Planck Institute{{U}} (33)
{{/U}}Demographic Research in the northern German town of Restock found the
month of birth was{{U}} (34) {{/U}}life expectancy over the age of
50.{{U}} (35) {{/U}}differences differences in what mothers ate
during{{U}} (36) {{/U}},and infections{{U}} (37) {{/U}}at
different times of the year could both have an impact on the{{U}} (38)
{{/U}}of a newborn baby and could{{U}} (39) {{/U}}its life
expectancy in older age. "A mother giving birth in spring spends the last{{U}}
(40) {{/U}}of her pregnancy in{{U}} (41) {{ A. insists B. persists C. resists D. consists
[填空题]1691年,康熙在多伦诺尔举行阅礼。这就是历史上著名的(),进一步加强了对喀尔喀的统治。
[单选题]触电急救,胸外心脏按压频率应保持在( )次/min。 A.A-60 B.B-80 C.C-100 D.D-120
[单选题]依据《中国南方电网有限责任公司电力安全工作规程》,小型水冲工具进行冲洗时,冲洗工具不应( )。引水管的有效绝缘部分不应触及接地体。操作杆的使用和管理按带电作业工具的有关规定执行。
A.接触带电体 B.调整水压 C.绝缘隔
[多选题]下列哪些功能不属于ATS对联锁任务的请求( )。 A.设置ATS自动进路 B.设置联锁延时解锁时间 C.道岔位置单锁 D.信号机终端封锁
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