热门试题:
[单项选择]驱蛔虫治疗广谱、高效、低毒的药物是()
A. 枸橼酸哌嗪
B. 喹喏酮
C. 别丁
D. 左旋咪唑
E. 苯咪唑类药物
[单项选择]具有吸附性的药品是( )
A. 乙醇
B. 洋地黄毒苷
C. 滑石粉
D. 硫代硫酸钠
E. 碘
[单选题]关于补丁安装时应注意的问题,以下说法正确的是
A.在补丁安装部署之前不需要进行测试,因为补丁发布之前厂商已经经过了测试
B.补丁的获取有严格的标准,必须在厂商的官网上获取
C.信息系统打补丁时需要做好备份和相应的应急措施
D.补丁安装部署时关闭和重启系统不会产生影响
[判断题]杆塔分解组立时,主材和侧面大斜材未全部连接牢固前,可以在吊件上作业。
A.正确
B.错误
[单选题]调速器按转速调节范围分类有()。
A.双制式
B.液压式
C.机械式
D.气压式
[判断题]日常出勤管理,包含加班、临时调度、学习人员情况。
A.正确
B.错误
[单选题]若无法观察到停电线路、设备的断开点,应有能够反映线路、设备运行状态的电气和机械等指示。
A.正确
B.错误
C.略
D.略
E.略
F.略
[单项选择]
Section Ⅰ Use of English Directions: Read the following text. Choose the best word(s) for each numbered blank and mark [A], [B], [C] or [D] on ANSWER SHEET 1. Portable devices are becoming lighter and more appealing. Books are being (1) into digital form by the thousands. The most important (2) forward may be in "digital ink," the technology used for (3) letters on a screen. A small company called E Ink has created a method for (4) tiny black and white capsules into words and (5) with an electronic charge. Because no power is used (6) the reader changes the page, devices with the technology could go (7) 20 books between battery charges. The text also looks just as (8) as ink on a printed page. Sony is the first major player to take (9) of the technology. This year. it will market the Sony Reader, which uses E Ink and closely (10) the size, weight, and (11) of a book. The R
A. belongs
B. leads
C. owes
D. comes
[不定项选择题]共用题干
Migrant(移民的)Workers
In the past twenty years,there has been an increasing tendency for workers to move
from one country to another. While some countries have restricted(限制)most
___________(1)to local people,others have attracted and welcomed migrant workers.
This is particularly the case in the Middle East,___________(2)increased oil incomes
have enabled many countries to call in outsiders to improve local facilities(设施).Thus the
Middle East has attracted oil-workers___________(3)the U. S.
A. and Europe.It has
also brought in workers from many other countries,___________(4)South Korea and
Japan.
In view of the difficul州lying and working___________(5)in the Middle East,it is not
surprising that the pay is high to attract suitable workers.Many engineers and technicians
can___________(6)at least twice as much money the Middle East as they can in their
own country, and this is a major ___________(7).
Sometimes a disadvantage has a compensating(补偿的) advantage.For example,
the___________(8)living conditions often lead to increased friendship when workers have
to___________(9)on each other for safety and comfort. In a similar way,many migrant
workers can save large sums of money partly because of the___________(10)of
entertainment(娱乐)facilities. The work is often complex and full of problems but this
merely presents greater challenge to engineers who prefer to find solutions to problems
rather than do___________(11)work in their home country.
One major problem which___________(12)migrant workers in the Middle East is that
their jobs are temporary ones.They are nearly always on___________(13),so it is not
easy for them to plan ahead with great confidence.This is to be___________(14)since
no country welcomes a large number of foreign workers as permanent residents.In any
___________ (15),migrant workers accept this disadvantage,along with others,
because of the considerable financial benefits which they receive.
_________(12)
A.invites
B.affects
C.needs
D.hates
[判断题]《煤矿安全规程》规定,可缩性金属支架可待受压变形稳定后喷射混凝土覆盖。()
A.正确
B.错误
[单项选择]直肠癌
A. 便血量多而鲜红
B. 便血少而疼痛
C. 便血污秽而有胆臭
D. 便血,量多而色黑
E. 便污血而疼痛
[单选题] 第四套人民币100 元券正反面的主景图案、国徽及底部花边等均为________,用手触摸有凹凸感。( )
A.凹版印刷
B.凸版印刷
C.平版胶印
D.对印
[多选题]化学危险物品仓库火灾的灭火战术要点重要有()。 *
A.准确划定警戒范围;
B.正确实施灭火措施;
C.正确选用灭火剂;
D.采取冷却降温;
E.加强个人防护;
[单项选择]湿法静电二搪一烧烧成后瓷层表面有波纹的原因是()
A. 底釉太软;喷涂用的釉浆容重太低;面釉层太厚;釉浆沉淀太快
B. 面釉太软;喷涂用的釉浆容重太高;面釉层太薄;釉浆沉淀太慢
[单选题]新形势下水利地位和作用更加重要,水利是经济社会发展不可替代的( )。
A.首要条件
B.基础支撑
C.保障系统
D.资源产业
[单选题]SLS技术最重要的是使用领域是
A.金属材料成型
B.高分子材料成型
C.树脂材料成型
D.薄片材料成型
[多选题]IXP3000 最大支持( )电话端口,( ) 个信号音端口,256个会议端口,可有冗余或非冗余配置。
A.2048
B.1024
C.512
D.256
[单选题]将一根导线均匀拉长为原长的 2 倍,则它的阻值为原阻值的()倍。( )
A. 1
B. 2
C. 4
[单选题]工作量确认单要有(____)的签字或盖章、日期。
A.乙方
B.甲方
C.甲乙双方
D.不需要
[单选题]跨越、穿越铁路线路、站场,架设、铺设桥梁、人行过道、管道、渡槽和电力线路、通信线路、油气管线等设施,或者在铁路( )内架设、铺设人行过道、管道、渡槽和电力线路、通信线路、油气管线等设施,涉及铁路运输安全的,按照国家有关规定办理;没有规定的,由建设工程项目单位与铁路运输企业协商,不得危及铁路运输安全。
A.限界内
B.用地范围
C.防护范围内
D.线路安全保护区
[单选题] 对于比较复杂、难度较大的带电作业新项目和研制的新工具,应进行(),确认安全可靠,编出操作工艺方案和安全措施,并经本单位批准后,方可进行和使用。
A.电气试验
B.机械试验
C.科学试验
D.出厂试验
[判断题]资产负债表中的“固定资产”项目,应根据“固定资产”账户余额减去“累计折旧”账户余额后的金额填列。( )
[单项选择]Equipped with modem facilities, today’s hospitals are quite different from that of the past
A. Equipped with
B. today’s hospitals
C. different
D. that
[单选题]地西泮化学结构中的母核为
A.1,4-苯并二氮卓环
B.1,5-苯并二氮卓环
C.二苯并氮杂卓环
D.苯并硫氮杂卓环
E.1,4-二氮杂卓环
[单项选择]用户管理,不是管理员的用户能新增用户、给用户授权在哪里设置?()
A. 功能授权
B. 字段授权
C. 数据授权
D. 权限属性
[单选题]半自动车钩与全自动车钩相似,未设电气车钩,但设有()的电连接器。
A.4个触点
B.2个触点
C.4个行程开关
D.2个行程开关
[多项选择]建设工程项目管理规划中,施工方项目管理规划的内容一般包括()。
A. 质量控制的方法和手段
B. 进度控制的方法和手段
C. 成本控制的方法和手段
D. 风险管理的策略
E. 安全管理的策略
[多选题]一名犯罪嫌疑人正在持刀砍杀群众,街面巡逻民警接警后迅速赶往事发现场进行处置,到达现场后的危险识别包括:()。(1.0分)
A.目标身份危险识别
B.目标身份年龄识别
C.嫌疑物品危险识别
D.暴恐行为危险识别
[单项选择]满满一杯牛奶,洁洁先喝了半杯,然后用水加满,搅匀后又喝去半杯;再用水加满,搅匀后全部喝完。洁洁喝了几杯牛奶几杯水( )
A. 1 1
B. 1 2
C. 2 1
D. 2 2
[单选题]目前南方电网系统各级单位共分为( )级。
A.一至三
B.一至四
C.一至五
D.一至六
[单项选择]冯·诺依曼型计算机的硬件系统的功能部件是()
A. 运算器、控制器、存储器、输入设备和输出设备
B. 运算器、存储器、显示器、输入设备和输出设备
C. 运算器、控制器、存储器、键盘和鼠标
D. 运算器、控制器、硬盘、输入设备和输出设备
[判断题]同一种土的压缩系数不是常数,而是随所取压力变化范围的不同而变化。( )
A.正确
B.错误
[简答题]起吊作业时,载货升降机可以载人运行,提高作业效率。
[判断题]提高油品输送温度是降低在管道中阻力降的措施之一。( )
A.正确
B.错误
[简答题]拨正支座、更换桥梁支座施工作业结束后,第一列限速( )。
[判断题]驻站联络员或现场防护员可以临时调换。
A.正确
B.错误
[填空题]在牵引变电所内作业时,严禁用棉纱、汽油、酒精等易燃物擦拭( )部分,以防起火。