热门试题:
[单选题]高压电力电缆不需停电的工作,应填用( )工作票。
A.A.第一种
B.B.第二种
C.C.带电作业
D.D.电力电缆第一种
[单项选择]急性溶血的早期症状是()
A. 血红蛋白尿
B. 腰背及四肢酸痛、头痛、呕吐、寒战、高热等
C. 休克
D. 昏迷
E. 肾衰竭
[判断题]测定液体石油产品运动粘度的计算公式是运动粘度Vt=C*T。( )
A.正确
B.错误
[单项选择]单纯性甲状腺肿甲状腺摄131I率()。
A. 大多增高,高峰提前,不被T3抑制
B. 大多增高,高峰不提前,可被T3抑制
C. 大多正常,高峰提前,可被T3抑制
D. 大多正常,高峰不提前,不被T3抑制
E. 大多降低,无高峰,不被T3抑制
[判断题]持用伪造或涂改的车票乘车时,除按无票处理外并送交公安部门处理。
A.正确
B.错误
[单选题]根据《收费公路车辆通行费车型分类》(JT/T 489-2019),客车车型按座位分为 4 类。其中,10 座至 19 座为( )类。( )
A.1
B.2
C.3
D.4
[单项选择]男性,48岁。4年前开始心悸,每年发作4~5次,发作时感心悸胸闷,持续约30分钟可自然终止,有时可持续3~6小时不等,现因胸闷心慌来诊。查体:血压95/60mmHg,第一心音强弱不等,心律不齐,心率116次/分,脉搏不齐,102次/分。肝脏增大,双下肢凹陷性水肿。心脏彩超检查结果,舒张期左房内径:46mm,舒张期左室内径:65mm,舒张期右房内径:39mm,舒张期右室内径:23mm,并提示:各室壁运动普遍减弱,二尖瓣有轻度反流,EF0.34。其病因诊断考虑为()
A. 冠心病
B. 风湿性心脏病
C. 扩张型心肌病
D. 肥厚型心肌病
E. 心包积液
F. 瓣膜病
[单项选择]固体分散体的难溶性载体材料()
A. PVA
B. 聚丙烯酸树脂
C. PVP
D. PEG
E. 乙基纤维素
[填空题]
Part B Directions: In the following text, some sentences have removed. For Questions 41-45, choose the most suitable one from the list A-G to fit into each of the numbered blanks. There are two extra choices, which do not fit in any of the blanks. Mark your answers on ANSWER SHEET 1. ( 10 Points) The acronym DINK -- double income, no kids -- originated in the US in the 1960s. 41._______________________________ This choice was not irrational. After all, nowadays retired people can live on their pensions and savings, so they are no longer compelled to depend on their offspring in old age. And a child is undeniably an expensive proposition: so much time and money are required. Why bother having one It is hard to condemn those who opt out of parenthood. 42._______________________________. A baby enters the world with a mind like blank paper, and gradually he or she acquires the ability to think, to talk and finally to communicate easily. Isn’t there something magi
[单项选择]化疗药物的作用机制为()
A. 促进去氧核糖核酸(DNA.的合成
B. B.促进核糖核酸(RN的复制
C. C.干扰转录,抑制信使RNA(mRN的合成
D. 促进纺锤丝的形成
E. 促进蛋白质的合成
[判断题]电动潜油泵井下部分“四大件”从下到上的顺序是油气分离器、保护器、潜油电机、多级离心泵。
A.正确
B.错误
[单项选择]蒸馏法测原油含水,控制油水冷凝液的馏出速度为()。
A. 0.5ml/min
B. 0.5~1ml/min
C. 1~2ml/min
D. 2~4ml/min
[单项选择]现在比较受欢迎的自由式摔跤是在()年奥运会上被列为摔跤比赛项目的。
A. 1904年
B. 1912年
C. 1916年
[判断题]有职业禁忌的劳动者无权拒绝从事其所禁忌的职业。( )
A.正确
B.错误
[判断题]一级网管中心负责管内网络、设备的监控,及时发现管内设备状态异常、网络流量异常及接入业务中断等情况,并组织故障处理。
A.正确
B.错误
[填空题]Physical fitness is the result of many factors—good medical care, proper nutrition, adequate rest and relaxation, and sensible personal habit. But these are never enough. An essential factor is regularly physical activity-exercise for a body that needs it to function well.
All of us know that ordinary movements—things as running, jumping, and bending— made possible by muscles. Muscles also do many other things. They suck air into your lungs, push food along your digestive tract, and tighten your blood vessels to raise blood pressure when you need more pressure for an emergency. Your heart is a muscular pump.
When your muscles are not used, or are not used enough, they do not develop and grow proper. They soon become flabby and weak, shrink in size, and lose the ability to do the jobs they were mean to do. Recent studies showed that the average high school student spends fifteen to thirty hours a week watching television and only two hours a week in organizing play or exerci
[判断题]集气管在正常操作过程中不用 冷水 喷洒,因为 冷水 温度低不易蒸发,使煤气冷却效果不好,所带入的矿物杂质会 增加 沥青的灰分。
A.正确
B.错误
[单选题]电阻元件的伏安特性曲线是直线时,称为( )电阻。
A.非线性
B.线性
C.可变
D.比例
[单项选择]违背电器设备安全规则的是()。
A. 电器设备起火,应立即切断电源
B. 电器设备着火应用泡沫灭火器扑灭
C. 高温电炉在最高温度不宜工作时间太长
D. 不宜在电器设备附近堆放易燃易爆物
[单选题]烟花爆竹车间领导干部组织安全活动每周()次。
A.三
B.两
C.一
[判断题]车辆在高速公路上行车,可以频繁地变更车道。
[单项选择]How long does the man have to wait for the text train
A. Father and daughter.
B. Husband and wife.
C. Mother and son.
D. Boss and secretary.
[单选题](红线)煤矿必须保证采煤工作面两个安全出口畅通。安全出口宽度不低于()米。
A.0.6
B.0.8
C.1
D.1.2
[单选题]为实现智能分布式馈线自动化,配电终端之间建立( )通信联络。
A.纵向
B.横向
C.全方位
D.多联络
[多项选择]都铎王朝对新闻出版采取的措施包括()
A. 许可制
B. 检查制
C. 惩处制
D. 课税制
[简答题]沿线各车站站台设有站台门,站台门主要分为( )和( )。
[判断题]混凝土拌和物的维勃稠度值越大,其坍落度也越大。( )
[单选题]二级动火时,( )可不到现场。
A.工区分管生产的领导或技术负责人(总工程师)
B.动火负责人或动火执行人
C.消防监护人或动火执行人
D.运维许可人或动火执行人
[多选题]在制定人力资源规划时要注意的原则包括( )。
A.充分考虑内部、外部环境的变化
B.保证组织结构的稳定性
C.确保企业的人力资源保障
D.人员成本维持在适当的水平
E.保障企业和员工长期的利益
[多选题]能用碘化铋钾检识的生物碱有
A.乌头碱
B.吗啡
C.次乌头碱
D.小檗碱
E.莨菪碱
[判断题][判断题]题目:只要存在非法获取公民个人信息的犯罪行为,就一定存在出售、非法提供公民个人信息的犯罪行为
A.正确
B.错误
[单项选择]总体方差(σ2)与样本方差(S2)的关系(n为样本数)为()。
A. σ2=(nS)2
B. σ2=nS2
C. σ2=S2/n
D. σ2=(S/n)2