热门试题:
[单项选择]用于甲亢内科治疗的药物是（）.
A. 甲硫氧嘧啶
B. 甲磺丁酰
C. 131I
D. 苯乙双胍
E. 阿卡波糖
[填空题]Milair Letter of Apology
Dear Customer,
Over the last two years, Milair has been experienced unprecedented growth. While we are
delighted at the increasing popularity of our products, this success has brought with
34．it some problems. Even though with over 450 trained customer service staff, our telephone
35．answering standards have fallen on a number of occasions, particularly during July and
36．August. The vast majority of our customers have continued so to receive a good quality of
37．service, but some have experienced by a service well short of their, and our. expectations.
38．As a result, we speed up our recruitment programmed to have the
39．more people available
40．to take your calls. We are also making much greater use of automated telephone technology.
41．As Managing Director of Milair, I want to take this opportunity to contact those of you
42．who have been affected and for assure you th
[填空题]China has officially joined the international push to make research papers free to read. On 15 May, the National Natural Science Foundation of China (NSFC), one of the country’s major basic-science funding (26) , and the Chinese Academy of Sciences (CAS), which funds and conducts research at more than 100 institutions, announced that researchers they support should (27) their papers into online repositories and make them publicly (28) within 12 months of publication.
The policies, which (29) the same day they were announced, are similar to the mandate set by the US National Institutes of Health (NIH). Xiaolin Zhang, director of the National Science Library at the CAS in Beijing, says that another major research-funding agency, the national (30) of science and technology, is also researching open-access policies. He expects that its policy will take a similar line.
The announcements could see tens or even hundreds of th
[单选题]【2017电力安全工作规程习题（线路部分）单选题】218.安全带的挂钩或绳子应挂在结实牢固的构件或专为挂安全带用的钢丝绳上，并应采用 （ ） 的方式。
A. 低挂低用
B. 高挂高用
C. 高挂低用
D. 低挂高用
[判断题]教学过程设计就是对具体的教学活动进行系统的结构性安排，最终所形成的结果就是教学计划或教学方案（）
[判断题]梁式桥标准跨径是指桥跨结构两端支座中心之间的距离。()
A.正确
B.错误
[单项选择]三极管的工作状态分别是（）、饱和、截止
A. 击穿
B. 放大
C. 导通
D. 负阻
[单项选择]下列有关税法适用原则的说法，正确的是（）。
A. 新法优于旧法原则的适用，以新法公布为标志
B. 提请税务行政复议前必须缴清税款或提供纳税担保，体现了程序优于实体原则
C. 法律优位原则主要体现新法与旧法的效力关系
D. 程序性税法一律不得具备溯及力，体现了程序从新原则
[单项选择]以下关于增强子的叙述错误是（）
A. 增强子决定基因表达的组织特异性
B. 增强子是远离启动子的顺式作用元件
C. 增强子作用无方向性
D. 增强子在基因的上游或下游均对基因的转录有增强作用
E. 增强子只在个别真核生物中存在，无普遍性
[多选题]电力系统中的功率因数有( )几种形式。
A.瞬时功率因数
B.月平均功率因数
C.自然功率因数
D.总功率因数
[单项选择]空肠大面积出血性炎症患者，行肠系膜上动脉选择性插管灌注加压素后，较为常见的并发症是（）
A. 痉挛性腹痛
B. 心肌梗死
C. 高血压
D. 肠缺血坏死
E. 外周血管缺血
[单项选择]下列关于腹白线的叙述，错误的是（）。
A. 由两侧腹壁阔肌肌束交织而成
B. 位于前正中线
C. 上起自剑突
D. 下至耻骨联合
[多选题]带式输送机运转中，输送带跑偏的原因可能是( )。
A.机头、机尾滚筒不平行
B.输送带接头不正
C.输送带张力不足
D.输送带横断面受力不均匀
[单项选择]第一篇
Is the Tie a Necessity？
Ties, or neckties, have been a symbol of politeness and elegance in Britain for centuries. But the casual Prime Minister Tony Blair has problems with them. Reports suggest that even the civil servants may stop wearing ties. So, are the famously formal British really going to abandon the neckties
Maybe. Last week, the UK’s Cabinet Secretary Andrew Turnbull openly welcomed a tieless era. He hinted that civil servants would soon be free of the costliest 12 inches of fabric that most men ever buy in their lives.
In fact， Blair showed this attitude when he had his first guests to a cocktail party. Many of them were celebrities （知名人士） without ties， which would have been unimaginable even in the recent past.
For some more conservative British, the tie is a must for proper appearance. Earlier, Labor leader Jim Callaghan said he would have died rather than have his children seen in public without a tie. For people like Callaghan, the tie was a sign of
A. Going to church.
B. Going to work in the office.
C. Going to a party.
D. Staying at home.
[单选题]推进装置的遥控在同一时间只能在一处进行；在这些地点允许有互连控制位置。在每一地点应有指示器以指明哪个控制地点正在控制推进装置。驾驶室和机器处所之间的控制转换,应只能在__进行。
A.驾驶室
B.主机处所
C.主机控制室
D.主机处所或主机控制室
[单选题]系统可靠性最高的网络拓扑结构是().
A.A:总线型
B.B:网状型
C.C:星型
D.D:树型
[单项选择]像这样一直努力______，相信你一定能成功的。
A. 出来
B. 上去
C. 下来
D. 下去
[判断题]10千伏不停电作业项目按《10kV配网不停电作业规范》执行。0.4千伏低压不停电作业项目应按照各省公司推广应用工作的要求进行部署，在保证安全的前提下规范、有序开展。
A.正确
B.错误
[单选题] 各级重要单证管理机构应加强在途重要单证监控，在途时间原则上不得超过（ ）。
A.30天
B.10天
C.5天
D.2天
[简答题]在考生文件夹下有student(学生)、course(课程)和score(选课成绩)3个表，用SQL语句完成如下操作：查询哪些课程有不及格的成绩，将查询到的课程名称存入文本文件new.txt，并将相应的SQL语句存储到命令文件two.prg。
[单选题]机械冷藏车应有（ ）标志。
A.电化区段严禁攀登
B.禁止乘坐
C.有电危险
D.鲜活物品
[多选题]发展心理学研究的主要功能有( )
A.描述功能
B.解释功能
C.预测功能
D.控制功能
[单项选择]《国际内部审计专业实务标准》要求制定书面的政策和程序来指导内部审计活动。对于这项要求，以下哪项表述是错误的
A. 书面政策和程序的形式和内容应该与内部审计活动的规模相适应。
B. 所有的内部审计活动都应该有详细的政策和程序手册。
C. 不是所有的内部审计活动都需要正式的管理和技术手册。
D. 小型内部审计活动可以通过密切监督和书面备忘录来进行非正式管理。
[单选题]移动电缆接头一般应停电进行。如必须带电移动，应先调查该电缆的历史记录，由有经验的施工人员，在（ ）下，平正移动。
A.专人统一指挥
B.专人监护
C.监护
D.作业人员的指挥
[单选题]雾天对安全行车的主要影响是什么？
A.易发生侧滑
B.发动机易熄火
C.行驶阻力增大
D.能见度低，视线不清
[单项选择]引发骨筋膜室综合征最多的骨折是（ ）
A. 股骨干中上段骨折
B. 股骨下段骨折
C. 胫骨平台骨折
D. 腓骨颈骨折
E. 胫腓骨中段骨折
[单选题]开展培训与指导的核心是( )。
A.组织安排
B.工作需要
C.计划安排
D.视情况而定
[判断题]班组长对安监部门和班组工会小组群众安全监督员、特聘煤矿安全群众监督员指出的班组安全问题要及时整改落实。
A.正确
B.错误
[多选题]影响压力的主要因素有()。
A.经验
B.认知
C.准备状态
D.性格
[填空题]
MP3 Players take the music experience to an entirely new level, freeing those on the go (忙碌，活跃) from bulky(体积大的) CD players. MP3 Players are very small and lightweight. Modem MP3 Players can hold hundreds of songs and play them in any order you want. You can use your MP3 Player to create your own mix of music. You can transfer selected songs from your favorite CDs or download them from the Internet for a very low fee.
The MP3 Format
MP3 Players use the MP3 format, which is a very efficient compression (压缩) system for music files. And it performs this compression with little or no noticeable difference in sound quality.
MP3 Player Features
Size -- In general, the smaller the MP3 Player the better. There are several MP3 Players on the market that aren’t much larger than a postage stamp!
Computer Connection -- Most MP3 Players today connect to your PC via a standard USB port.
Memory -- Th
[单项选择]神经源膀胱病理生理分类中，不包括（）
A. 痉挛性膀胱
B. 弛缓性膀胱
C. 张力性膀胱
D. 感觉麻痹性膀胱
E. 运动麻痹性膀胱
[不定项选择题]A.灭菌法
A.高水平消毒法或灭菌法
B.高水平消毒法
C.中水平以上的消毒法
D.中水平消毒法或低水平消毒法
E.对受到细菌芽胞和经血传播病原体污染的物品，选用
[单选题]以下哪个设备可以对企业员工的上网行为进行管控?
A.ASG
B.UMA
C.IPS
D.SVN
[单选题]严格执行《生产作业安全管控标准化工作规范》，加强计划刚性管理，组织作业风险评估，开展安全承载力分析，严格“（ ）”执行，强化现场监督检查。
A.三票两制
B.两票三制
C.两票一制
D.一票两制
[多项选择]胃肠减压时胃管拔除的指征( )。
A. 病情恶化
B. 腹胀消失
C. 病情好转
D. 肠鸣音恢复
E. 肛门排气
[单选题]新能源汽车接触器的低压控制电路中说法正确的是（ ）。
A.用高压电控制
B.通过模块控制低压电
C.控制电脑模块
D.控制负载
[判断题](1分) 氢气在氧气中会爆炸，在空气中不会爆炸。
A.正确
B.错误
[单选题]圣诞晚餐上，（ ）是不可缺少的食物。
A.烤火鸡
B.烤羊腿
C.烤猪排
D.烤牛肉
