热门试题:
[单选题]进入浓烟、高温或者有毒区域搜救人员时要在水枪冷却掩护或者驱散稀释措施的配合下行动,必要时( )掩护层层推进。
A.梯队
B.纵队
C.横队
[单选题]发生日食时,人们可以看见太阳的外层-------( )
A.色球层
B.日珥
C.日冕
D. 、光球层
[多选题]易燃液体泄露的事故特点( )
A.易发生爆炸燃烧事故
B.扩散范围广
C.造成人员中毒伤亡
D.污染环境,不易洗消
[多选题]各单位结合安全生产( )、数字化安全管控( )等应用,试点推进可定位短路接地线等智能型安全工器具使用,强化作业现场安全管控。
A.A、风险管控平台
B.B、智能终端
C.C、手机APP
D.D、作业现场
[多选题]变电站(生产厂房)内外的电缆,在进入( )等处的电缆孔洞,应用防火材料严密封闭。
A.控制室
B.电缆夹层
C.控制柜
D.开关柜
[单选题]存在重大事故隐患而不排除,冒险组织作业;存在重大事故隐患被要求停止施工、停止使用有关设备、设施、场所或者立即采取排除危险的整改措施,而未执行的。是否为Ⅰ类严重违章?
A.是
B.否
[不定项选择题]共用题干
A Health Profile
A Health profile is a portrait of all of the factors that influence your health. To draw your health profile,you will___ 1___ what diseases run in your family,what health hazards you may be exposed to ___2___ work,how your daily ___3___ compares to the recommended stand-ards,how much time per week you___ 4___ exercising and what type of exercise you engage ___5___ ,how stressful your work and family environments are,what kinds of illnesses you get regularly,and___ 6___or not you have any one of a number of addictions.___ 7___ this portrait, you should have a checkup to determine how your blood,heart,and lungs are functioning.
This checkup will serve___8___ a baseline,to which you can then compare later tests. ___9___this profile is thoroughly drawn,you can begin to think about setting health prior- ities based___10___ your particular portrait. For example,if you drink two martinis every eve- ning,have a high-stress___11___ ,are overweight,smoke a pack of cigarettes a day,and use ma- rijuana occasionally on weekends,you should quit smoking first,followed___12___ losing the excess weight,reducing the stress of your job,giving up your marihuana habit,and then finally giving some ___13___ to those martinis if you want to prevent first cancer,and then heart disease. Even for the youthful working person who has never been sick a day in his life,who is ___14___ excellent health,a good look at all health habits and at work and home environments may suggest changes that will ___15___ him in the future.
7._________
A.To complete
B.Completing
C.Completion
D.To be completed
[判断题]临近带电体作业时,上下传递物件应用绝缘绳索,杆塔或地面上作业人员应将金属物品接地后再接触,以防电击。作业全过程应设专人监护。
A.正确
B.错误
[单选题]张老师在考试过程中发现自已班的同学作弊,却并未制止。张老师的行为()。
A.正确,有利于树立教师威严
B.正确。有利于班级团结
C.不正确,张老师应立即制止
D.不正确,张老师应小声提醒
[多选题]模板支撑体系的支架是指支撑面板用的立柱、连接件、( )的总称,
A.斜撑
B.剪刀撑
C.横杆
D.水平拉条
E.楞梁
[单选题]金融衍生工具的首要功能是( )。
A.价格发现
B.投机手段
C.保值手段
D.套利手段
[判断题]可以用分析纯的固体氢氧化钠直接配制标准溶液。 ( )
A.正确
B.错误
[单项选择]在热处理过程中,加热升温的速度非常关键,加热的速度主要取决于()
A. 义齿基托的大小
B. 缺失牙数目的多少
C. 缺失牙的位置
D. 义齿基托的厚度
E. 义齿倒凹的大小
[单选题]多发性骨髓瘤早期主要症状为
A.骨骼疼痛
B.高黏滞综合征
C.髓外浸润
D.出血倾向
E.高钙血症
[单项选择]关于图书质量检查的说法,错误的是()。
A. 检查范围不包括图书的辅文
B. 如正文不足10万字,应检查全书
C. 对整体设计也要进行检查
D. 如正文超过10万字,可随机抽查连续的10万字内容
[多选题]液化石油气火灾特点有哪些?
A.燃烧速度快
B.火焰温度高
C.易发生爆炸
D.复燃的危险性大
[单选题]糖耐量降低主要见于( )
A.艾迪森病
B.严重肝病
C.垂体功能减退
D.轻型糖尿病
E.肾上腺皮质功能减退
[单选题]半刚性基层水泥掺量越大越好。()
A. 对
B. 错
[单项选择]有人认为,政府决策是政府的事情,与自己无关,持这种观点的人之所以犯错,就在于他不懂得()。
A. 决策是由公民制定的,因此,决策是否科学、合理,至关重要
B. 决策是由政府制定的,因此,决策是否科学、合理,与公民无关
C. 政府决策会牵涉社会各阶层的利益,关系到千家万户
D. 政府决策是为当政者的政绩服务的
[单选题]基金的具体客户服务流程包括( )。
Ⅰ.服务宣传与推介、投资咨询与基金咨询
Ⅱ.客户档案管理与保密
Ⅲ.受理投诉
Ⅳ.客户资金托管
A.Ⅰ、Ⅱ、Ⅲ、Ⅳ
B.Ⅰ、Ⅱ、Ⅲ
C.Ⅰ、Ⅲ、Ⅳ
D.Ⅱ、Ⅲ、Ⅳ
[单项选择]
Most Hong Kong students aged 12 to 25 spend less than an hour a week studying online. However, it is claimed that e-learning (网上学习) may not be as popular among teenagers as commonly supposed.
In a survey by the Boys’ and Girls’ Clubs Association, 55% of 785 young people in Hong Kong said they did not like e-learning.
"E-learning is not a very good system because it is so troublesome (麻烦的)," said Patrick, 17-year-old, recalling how his online homework disappeared because of a technical problem.
Patrick also said some classmates give their account numbers and passwords (密码) to others so they could help them finish their online homework.
Self-discipline (自律) is also necessary. In the survey, 34.3% of the teenagers said lack of self-discipline made it difficult for them to learn more from the Internet.
But the teenagers also discovered some advantages in e-learning.
About 41 percent of the teenagers said they work
A. get used to e-learning online
B. do not like e-learning online
C. find e-learning online easy to handle
D. help each other finish their online homework
[单选题]3 桥上无缝线路成段更换、方正桥枕等需要起道作业时,应在实际锁定轨温( )范围内进行。
A.+5℃~-15℃
B.+10℃~-20℃
C.+5℃~-10℃
D.+10℃~-15℃
[判断题]催化裂化装置反应器、再生器、沉降器等设备的测温热电偶的外保护套管必须是耐磨、耐高温材料制成的。( )
A.正确
B.错误
[多项选择]事业单位修购基金来源于()
A. 事业收入
B. 经营收入
C. 固定资产变价收入
D. 事业结余
[单项选择]下列关于城建税的减免规定的说法中,错误的是()。
A. 对于因减免税而需要进行“三税退库”的,城建税也可同时退库
B. 对纳税人减免“三税”时,相应也减免了城建税
C. 海关对进口产品代征增值税、消费税的,不征收城建税
D. 对出口产品退还增值税、消费税的,同时退还已缴纳的城建税
[填空题]危险作业间断时,若作业人员离开作业现场,应采取防止现场发生意外的措施或()
[判断题]在安全与生产发生矛盾时,必须坚持安全第一,生产第二,不消除事故隐患不生产。
A.正确
B.错误
[单选题]依法设立的危险化学品生产企业在其厂区范围内销售本企业生产的危险化学品,也需要取得危险化学品经营许可。()
A.正确
B.错误
[判断题]在电气化区段通过或使用各种车辆、机具设备不得超过建筑接近限界。( )
A.正确
B.错误
[单项选择]7位ASCII码共有多少个不同的编码值
A. 126
B. 124
C. 127
D. 128
[单项选择]以下哪项不是提倡勤洗手主要表现?()
A. 制备食物前
B. 吃饭前
C. 上网前
[单选题]Crohn病与肠结核最重要的鉴别在于
A.有无发热、消瘦、乏力
B.有无肠外结核
C.肉芽肿有无干酪样坏死
D.病程的长短
[单选题] 欧式应答器(信标)包括( )、MTIB、STIB、Eurobalise
A.PSBD
B.TWC
C.RB
D.SACEM