热门试题:
[单项选择]在标准ASCⅡ编码表中,数字码、小写英文字母和大写英文字母的前后次序是______。
A. 数字、小写英文字母、大写英文字母
B. 小写英文字母、大写英文字母、数字
C. 数字、大写英文字母、小写英文字母
D. 大写英文字母、小写英文字母、数字
[单选题]各站微消气瓶定期进行气密性检测,填写( )。
A.《安全应急物资巡查记录表》
B.《应急物资使用及消耗记录表》
C.《安全应急物资检测维护记录表》
D.《安全应急物资存放明细表》
[多选题]根据《中华人民共和国合同法》,下列合同中,属于可变更、可撤销合同的有()。
A.限制民事行为能力人订立的合同
B.因重大误解而订立的合同
C.因无权代理而订立的合同
D.订立时显失公平的合同
E.无权处分他人财产而订立的合同
[单选题]柴油发动机在该缸断火后,响声减弱或消失,是( )。
A.活塞销响
B.活塞敲缸声
C.连杆轴承敲击声
D.曲轴轴承敲击声
[单选题] 严肃作业队伍管理,重点强化外包队伍管控,严把施工队伍、人员()关。
A. 准入
B. 培训
C. 教育
D. 演练
[单选题]在丙烯酸中含一定量的苯酚时,可延长丙烯酸在热天时的贮存期,其原因是( )的影响。
A.反应物浓度
B.温度
C.催化剂
D.诱导反应
[简答题]假定你是某街道办事处工作人员,请参考给定资料,为当地居民社区的宣传栏拟一份节水宣传材料。
要求:1.体现国家节约水资源的有关精神,说明为什么要节水;
2.简明、通俗,利于老百姓理解;
3.不超过400字。
[填空题]中国的资产阶级民主革命是以孙中山为代表的( )首先发动的。
[单项选择]三原色是指红、()、蓝三个颜色。
A. 绿
B. 白
C. 黄
D. 黑
[填空题]普速车站进站、接车进路及正线出站信号机的延迟解锁时间为( ),侧线出站及调车信号机的延迟解锁时间为( ),高铁车站的延迟解锁时间根据列车运行 ( )及规定分别适当( )。
[单选题]凡用停车信号防护的施工地点,在停车信号撤除后,列车需( )通过施工地点时,应按减速信号防护办法防护。
A.减低速度
B.规定速度
C.正常速度
D.注意瞭望
[单项选择]There are many kinds of friends. Some are always 16 you, but dont understand you. Some say only a few words to you, but understand you. Many people will step in your life, but only 17 friends leave footprints (脚印).
I shall always recall (回忆) the autumn and the girl with the 18. She will always bring back the friendship between us. I know she will always be my best friend.
It was the golden season. I could see the yellow leaves 19 with the cool 20. In such a season, I liked walking alone on the roads covered with leaves, 21 to the sound of them.
Autumn is a 22 season and life is uninteresting. The free days always get me 23. But one day, the sound of a violin 24 into my ears like a stream (小溪) flowing in the mountains. I was so surprised that I jumped to see what it was. A young girl, standing in the wind, was 25 in playing her violin.
I had 26 seen her before. The music was so nice that I listened quietly. Lost in the music, I didnt know that I had been 27 there f
A. shaking
B. hanging
C. falling
D. floating
[单选题]断开( )的客户的连接点开关后,应验明可能来电的各侧均无电压。
A.单一电源、多电源、分布式电源以及带有自备电源
B.双电源、多电源、分布式电源以及带有自备电源
C.双电源、供电电源、分布式电源以及带有自备电源
D.双电源、多电源、分布式电源以及带有自发电
[多项选择]国家环境标准样品在环境管理中的特别作用是( )。
A. 评价分析仪器
B. 鉴别仪器的灵敏度
C. 评价分析者的技术
D. 保证数据的准确
[单选题]发生冲突、脱轨的机车车辆未按规定检查鉴定编入列车,未造成其他影响和损失的,列为( )铁路交通事故。
A.一般A类
B.一般B类
C.一般C类
D.一般D类
[单项选择]对真性幻觉描述正确的是()
A. 来自于外部客观空间
B. 不通过感觉器官而获得
C. 幻觉内容往往比较模糊
D. 患者通常不会相信幻觉的内容
E. 大脑隐约出现的某种声音或影像
[单项选择]创造良好沟通环境的方法不包括()
A. 谈话内容不要过广
B. 加强评论和表态
C. 多用描述性语言
D. 耐心倾听
E. 控制情绪,保持冷静
[单选题]为加强电力生产现场管理,规范各类工作人员的行为,保证人身、电网和设备安全,依据国家有关( )的实际,制定《国家电网公司电力安全工作规程(变电部分)》。
A.法律、法规,结合电力生产
B.规定、文件,结合电力生产
C.企业标准、规章制度,结合电力系统
D.法律、法规,结合电力系统
[单选题]智力残疾分为( )级 。
A.3级
B.重级
C.4级
D.6级
E.2级
[多选题]策划重大事故应急预案时应充分考虑的因素有()。
A.地理人文地质气象等信息
B.法律法规的要求
C.重大危险源分布情况
D.本地区以往灾难事故的发生情况
[单项选择]根据《石油天然气管道青年犬监督与管理暂行规定》要求,石油管道应当定期进行全面检测。新建石油管道应当在投产后三年内进行检测,以后视管道运行安全状况确定检测周期,最多不超过()。
A. 二年
B. 三年
C. 五年
D. 八年
[多选题]在驻站防护不超处所的情况下,临时增加作业处所必须经所属车间审批后实施,并将作业计划交给驻站联络员,或车间将临时作业组( )通知驻站联络员。
A.作业项目
B.防护体系
C.联系电话
D.作业人数
[多选题]段管线是指( )等段专用并由其管理的线路。
A.机务
B.车辆
C.工务
D.电务及供电
[单项选择]若风机的叶片局部磨损超过原厚度的()时,应更换新的叶轮。
A. 1/3
B. 1/2
C. 2/3
D. 3/4
[单选题]在新一轮没有硝烟的经济战场上,经济增长将主要依靠科技进步。
而解剖中国科技创新结构,可以看出,在中国并不缺乏研究型大学、国家实验室,
最缺乏的是企业参与的研究基地以及研究型企业,企业资助、共建、
独资创立的科研机构。像美国的贝尔实验室,就是这种研究基地。
这段文字的主旨是:
A.要充分发挥企业在科技创新中的重要作用
B.中国不缺乏研究型大学,缺乏的是研究型企业
C.加强企业参与的研究基地建设是中国经济腾飞的必然之路
D.企业资助、共建、独资创立的科研机构是提高企业效益的关键
[单项选择]以下是小儿支气管肺炎WHO推荐的第1线抗生素,但应除外
A. 复方新诺明
B. 青霉素
C. 氨苄青霉素
D. 羟氨苄青霉素
E. 头孢菌素类抗生素
[单项选择]女,44岁,右下肢麻木,左下肢乏力1年。查体:双侧胸8以下痛、温觉减退,左下肢肌力Ⅲ级,右下肢肌力Ⅳ级,左侧巴氏征阳性。如双下肢麻木乏力是从下向上发展的,病变定位应考虑在()
A. 旁中央小叶
B. 脊髓髓内
C. 脊髓髓外硬膜下
D. 顶叶运动区
E. 以上都不是
[多选题]换装或者搬运( )等笨重轨料,应有专人指挥,尽量选择在平整的地面上行走;必须在坑洼不平或线路路上行走时,应注意踏稳踩牢。
A.混凝土枕
B.活口扳手
C.钢轨
D.辙叉
[单选题] 钢轨探伤中为有效的发现15°左右的螺孔裂纹、最好采用( )探头。
A. 37°
B.小角度
C. K1
D. K1.5
[单项选择]一位因甲状腺肿就诊的患者,临床有轻度甲低表现,血浆FT3、FT4均高,TSH值高。应当首先考虑的诊断是()
A. 继发性甲亢
B. Graves病
C. 外周组织对T3、T4抵抗
D. TSH的受体或受体后缺陷
E. 原发性甲低
[单选题]电力系统发生有功功率缺额时,系统频率会(____)。
A.升高
$
B.$不变
$
C.$降低
$
D.$无法判断
[填空题]
The construction of the White House began in 1792, but it was not completed until ten years later. Every American president lived in it except George Washington, although he did have a major part in designing it.
The second president, John Adams, was the first to live in the White House. When he and his wife moved into the new two-story house in November, 1800, construction work was still going on, although the main area was completed. Work was not finished until the administration of the third president, Thomas Jefferson.
Twelve years later, the British army invaded Washington and burned the White House. Later on workers rebuilt it. None of the work, however, changed the apearance of the building.
The White House was completed in (1) .
(2) never lived in the White House.
As to the height of the White House, it is a (3) house.
The third president of United States was (4) .
In 1812 (5) b
[单选题]保护线距隧道壁的最小极限距离是:( )。
A.50mm;
B.75mm;
C.150mm;
D.240mm。
[单项选择]
TapeStore: A.New Tape Storage System
TapeStore is a new kind of tape storage system which can store up to 6,000 computer tapes. No other tape storage system can hold as many computer tapes as TapeStore. The tapes look exactly like video cassettes. Many hundreds of data files can be stored on each tape, up to a maximum of 500 million bytes (字节) of data. If you stored the same amount of information on paper, you would need nearly 4.5 billion printed pages.
The machine is a tall black box with a mechanical arm. The machine is 2.5 metres high and 3.0 metres wide. This is how it works. Each tape has a code printed on it. You feed the code number into TapeStore, which then looks for the code. As soon as TapeStore locates the code, the arm reaches in and pulls out the tape.
The system is very fast. It takes the mechanical arm about 10 seconds to find the tape it is looking for. The machine then searches the tape to extract (提取) the req
A. it costs less than a skilled worker.
B. it looks impressive.
C. the information it stores is valuable.
D. it ensures the safety of their data.
[填空题]Task One - What mistake did they make
· For questions 13-17, match the extracts with the mistake that each person says they made, listed A-H.
· For each extract, choose the mistake that the person made.
· Write one letter (A-H) next to the number of the extract.
A forgot to include some costs.
B didn’t calculate the cash flow.
C miscalculated a time schedule.
D appointed the wrong person.
E gave out-of-date information.
F didn’t check someone else’s work adequately.
G complained through inappropriate channels.
H didn’t allow for a rise in the inflation rate.............................