热门试题:
[判断题]用人单位不得安排未经上岗前职业健康检查的劳动者从事接触职业病危害的作业。
A.正确
B.错误
[单选题]炎症过程中C3.a和C5.a被称为过敏毒素是因为：
A.对淋巴细胞有趋化作用
B.是淋巴细胞的激活因子
C.对嗜酸粒细胞有趋化作
D.是嗜碱粒细胞的激活因子
E.能引起嗜碱粒细胞和肥大细胞脱颗粒
[单选题]Internet2初始运行速率可以达到（ ）。
A.10Mbps
B.100Mbps
C.10Gbps
D.100Gbps
[单选题] <中级>
绳索式起重机的下挠度一般为跨度的( )。
A.1/15~1/20
B.1/10~1/15
C.1/5~1/10
D.1/20~1/25[T/]
[判断题] 有一台适用于可燃性氨蒸气环境中的电气设备,其防爆标志可以写为"ExII氨"。
A.正确
B.错误
[判断题]一般情况下,LPZn+1区比LPZn区电涌电流和雷击电磁场强度小。
A.正确
B.错误
[多项选择]咨询者可以为业主提供( )的咨询服务。
A. 投资项目全过程性
B. 投资项目分阶段性
C. 决策阶段
D. 可行性研究
E. 项目评估
[单选题]各级检查人员检查网点“0000”尾箱时，可尾箱持有者（）人全程在场。
A.一
B.两
C.三
D.四
[单选题]对酒精的恢复速度是
A.大约0.015%没小时并且不能加快♂
B.取决于喝酒后是否睡觉♂
C.取决于吃入的食物量和食物的组成♂
[单项选择]单纯性粘连性肠梗阻（）
A. 颠簸疗法
B. 钡剂灌肠复位
C. 氧气疗法
D. 口服植物油
E. 单纯胃肠减压下列疾病的非手术疗法是上述哪项
[判断题]企业通过采取风险控制措施将风险降低到自认为可以,无需验证。( )
A.正确
B.错误
[简答题] Until the nineteen sixties, black people in many parts of the United States did not have the same civil rights as white people. Laws in the American South kept the two races separate. These laws forced black people to attend separate schools, live in separate areas of a city and sit in separate areas on a bus.
On December first, nineteen fifty-five, in the southern city of Montgomery, Alabama, a forty-two year old black woman got on a city bus. The law at that time required black people seated in one area of the bus to give up their seats to white people who wanted them. The woman refused to do this and was arrested. This act of peaceful disobedience started protests in Montgomery that led to legal changes in minority rights in the United States. The woman who started it was Rosa Parks. Today, we tell her story.
She was born Rosa Louise McCauley in nineteen-thirteen in Tuskegee, Alabama. She attended local schools until she was eleven years old. Then she was sent to schoo
[单选题]肾移植手术,移植部位的首选位置是: ( )
A.右髂窝
B.右肾区
C.左肾区
D.左髂窝
[单选题]单选题:擅自用设备进行涉及现金的交易或擅自修改票务数据等方面的操作的,应定性为( )。
A.一类票务事故
B.二类票务事故
C.三类票务事故
D.四类票务事故
[多选题]联结零件包括( )和( )两类。
A.接头联结零件
B.中间联结零件
C.螺栓
D.夹板
[填空题]
As the Internet has rapidly become a mainstream medium, the
social impact of the Internet has been a topic of ongoing debate. Some studies
have found that Internet use is associated with reduced social networks and
increased loneliness.
Internet use appears to cause a decline in
psychological well-being, {{U}} (31) {{/U}} to research at Carnegie
Mellon University. Even people {{U}} (32) {{/U}} spent just a few hours a
week {{U}} (33) {{/U}} the Internet experienced more depression and
loneliness {{U}} (34) {{/U}} those who logged on less frequently, the
two-year study showed. And it wasn’t {{U}} (35) {{/U}} people who were
already feeling had spent more time on the internet, {{U}} (36) {{/U}}
that using the Net actually appeared to {{U}} (37) {{/U}} the bad
feelings.
Researchers are puzzling over the results,
{{U}} (38) {{/U}} were completely contrary {{U}} (39) {{/U}} their
expectation. They expected that the Net would {{U}}
[判断题]绝缘操作杆、验电器和测量杆使用时，作业人员的手不得越过护环或手持部分的界限。
A.正确
B.错误
[单选题]公文的结尾，通常采用下述形式()。
A.交代制发公文的根据与目的
B.直接点明结论，以阐明制发此文的原因
C.发出号召，提出希望与要求
D.表示敬意、谢意
[单项选择]男，23岁，8月16日入院。1周前由安徽来湘，次日出现寒战、发热、头痛，体温时高时低，无一定规律性，出汗多，近2天来发作过一次高热，伴头痛，伴头痛，持续4小时，热退后精神如常，食欲正常，体温39℃，血象：WBC6.8×10/L，N0.64，L0.36，RBC3.2×10/L，Hb10g/L，最可能的诊断为（ ）
A. 伤寒
B. 乙脑
C. 败血症
D. 疟疾(间日疟)
E. 急性血吸虫病
[判断题]接地故障保护是指相线与地有联系的导体之间的短路。
A.正确
B.错误
[多选题]供应链运营专家库组建工作，采用“（）与（）相结合、（）与考评相结合”方式.
A.申报
B.推荐
C.培训
D.审核、
[单项选择]国务院卫生行政部门颁布的卫生规范性文件是（）
A. 地方性卫生法规
B. 卫生基本法律
C. 卫生法律
D. 卫生行政规章
E. 卫生行政法规
[单项选择]统计上的新增固定资产反映（）。
A. 已发挥能力（或效益）单项工程的价值
B. 已建成单项工程的价值
C. 新增生产能力
D. 计划建设的单项工程的价值
[单选题]治疗内伤发热属阴虚内热证候者，首选方剂为
A.六味地黄丸
B.二至丸
C.清骨散
D.青蒿鳖甲散
E.大补阴丸
[判断题]重点维修车间负责配合大型养路机械作业、集中修作业，钢轨和道岔焊接等工作。
A.正确
B.错误
[单选题]绝缘鞋试验时，被试品温度应不低于（ ）°C。
A.3
B.4
C.5
D.6
[多项选择]电热棒技法分类（）。
A. 发中卷
B. 发尾卷
C. 发根卷
D. 全卷
E. 发卷
[单项选择]国际物流学主要研究（）
A. 国际结算
B. 国际贸易
C. 国际关税
D. 国际物流
[多项选择]下列各项中，属于土地增值税扣除项目的有（）。
A. 房地产开发成本
B. 房地产开发费用
C. 旧房及建筑物的评估价格
D. 与转让房地产有关的税金
E. 旧房的重置成本价
[判断题]平车及敞车装载货物违反装载和加固技术条件的禁止编入列车。
A.正确
B.错误
[填空题]Historians are detectives searching out the evidence of the past in their pursuit of history. This is a challenging and frequently engaging quest 1 its own, but evidence must be turned to 2 . Primary sources that are uncovered 3 many forms that vary 4 the questions asked and the period studied, but written records are 5 historians use more than any other. The historian does not 6 evidence in the manner of courts of law, where questions of admissibility and truth versus falsehood are 7 . The historian’’s use of evidence is much more 8 Determining how and with what end 9 mind any piece of evidence came into existence are the first tasks 10 the historian in the internal criticism of historical sources. It is important to know, for instance, who 11 a particular census and with what instructions, or 12 a correspondent was addressing a friend or foe, colleague or opponent.
For many years historians divided evidence into the two 13 of primary and secondary sources. The former were conside
A. A．of
B．in
C．at
D． on
[单选题]下列体现了公安机关服务群众效率原则的是:
A.民警甲待人真诚热切,积极高效地将群众工作落实到位
B.民警乙克奉公,认为群众的需求就是自己的需求
C.民警无论是对待管辖小区内的居民,还是外来人员,都一视同仁
D.民警丁定期到社区困难家庭走访,咨询解决相关问题
[判断题]纵波探头指的就是0°探头。
A.正确
B.错误
[单选题]Ⅲ区淋巴结(LevelⅢ)主要指颈深上淋巴结中组,主要代表是哪个淋巴结?
A.颈二腹肌淋巴结
B.扁桃体淋巴结
C.角淋巴结
D.颈肩胛舌骨肌淋巴结
E.副神经淋巴结
[单项选择]到2020年，力争本国人发明专利年度授权量和国际科学论文被引用数均进入世界前（）位。
A. 3
B. 5
C. 8
