[单选题]所有未接地或未采取可靠隔离措施的设备都应视为带电设备，禁止直接触碰导体的（）。
A.裸露部分
B.金属部分
C.带电部分
D.金属带电部分

[单选题]双电源是指两个( )的电源。 ( )
A. 生产
B. 备用
C. 保安
D. 独立

[单项选择]税法构成要素中，用以区分不同税种的是（）。
A. 纳税人
B. 征税对象
C. 税目
D. 税率

[单选题]消防救援队伍要始终把人民放在心中（ ）。
A.最高地位
B.最高位置
C.最高荣誉
D.最高指引

[判断题]从事道路危险货物运输的驾驶人员、装卸管理人员、押运人员应当经所在地设区的市级人民政府交通运输主管部门考试合格，并取得相应的从业资格证。
A.正确
B.错误

[多选题]在发生人身触电事故时，可以不经许可，立即断开有关设备的电源，但事后应立即报告()。
A.工作许可人
B.工作负责人
C.值班调控人员
D.运维人员

[判断题]临时用电中的动力线路和照明线路可以共用。
A.正确
B.错误

[填空题]随着摩擦系数的增加,宽展( )。

[单选题]甲省乙市丙县某建筑公司发生脚手架坍塌事故,造成7人死亡,该公司法定代表人是张某。根据《生产安全事故报告和调查处理条例》,下列关于该事故报告的说法,正确的是()。
A.该起事故应逐级上报至应急部
B.丙县应急局在向乙市应急局报告的同时向丙县人民政府报告
C.丙县应急局在接到报告后不得越级上报甲省应急厅

[单选题]职业病的预防遵循“三级”预防原则，即（ ）、临床前期预防、临床预防。
A.缩短劳动时间
B.改善劳动条件
C.病因预防

[不定项选择题]共用题干 What Is Anthrax（炭疽）?

There's been a lot of talk about anthrax on the news lately.Some people are worried
that anthrax may be connected to terrorist attacks or that terrorists may spread the germ that
_______(1)the disease.Federal officials and police are investigating this and taking
________(2)to protect us.
In the meantime,it's important not to panic over anthrax.The chances that you and
your family________(3)at risk are very tiny.One of the ways you can feel better is to
learn about anthrax.When you know what it is and________(4)you can get it,it
doesn't seem quite as scary.
So,what _______(5)is anthrax?
Here are the facts on anthrax:
Anthrax is a bacterial infection caused by a germ.Although it's most common in farm
_______(6),like sheep,cows,pigs,horses,and goats,there's a very small
chance that people can get it,too.
Anthrax spores（抱子）(a version of the germ in a protective shell that can live in the
soil for years)cause the disease.
People may get anthrax if they are exposed to anthrax_______(7).But here's
the important part:just being exposed to these spores doesn't mean that a person will get
________(8).
For a person to get sick,he would have to breathe in thousands of these spores all the
way into his________(9).Or he'd have to eat meat contaminated with anthrax or
handle_______(10)that has anthrax spores.This may sound scary,but even when
a person comes______(11)contact with the spores,it's unlikely that he'll get sick.
_________(12)the bacteria do not get into the skin,digestive tract,or lung,the
disease won't develop.
Anthrax is not spread from person to person the way the flu can spread from family
member to_________(13)member or classmate to classmate.
Anthrax can almost always be successfully treated with antibiotics（抗生素）.
Anthrax is very rare.Until recently,anthrax wasn't even talked about because it was
so rare一and it still________(14)!Even with all of the anthrax cases you are hearing
about right now,a person's chances of getting anthrax are about the______(15)as
they were before you heard about anthrax on the news一very,very low. _________(9)
A.stomach
B.lung
C.mouth
D.skin

[多选题]除去改变钻压的影响,大钩负荷( ),视为工程参数异常。
A.突然增大
B.突然减小
C.呈趋势性增大
D.呈趋势性减小

[多项选择]上消化道出血来源包括（）
A. 食管
B. 胃
C. 十二指肠
D. 空肠上段
E. 胆道

[多项选择]交通警察按照简易程序当场作出行政处罚的，应当告知当事人（），并将行政处罚决定书当场交付被处罚人。
A. 执勤交警的姓名
B. 道路交通安全违法行为的事实
C. 处罚的理由
D. 处罚的依据

[单项选择]办公自动化是一门综合技术，除计算机技术、通信技术、系统科学以外，主要还有
A. 管理科学
B. 决策科学
C. 行为科学
D. 信息科学

[单选题]【单选题】
(单选题)有 CSS 样式代码如下:
Div {
Width:100px;
Height:100px;
Border:1px solid black;
}
并有 html 代码如下:



此代码在页面上的显示效果为()。
A.在同一行上显示三个