[单选题]置备鸠尾的目的是
A.获得良好的固位形
B.获得良好的抗力形
C.为了便于完全去除龋坏的牙体组织
D.为了使洞形变得美观
E.为了便于充填

[单选题]在进入岔线、段管线、货物线的道岔(大门)、防溜脱轨器和装卸地点前须( ),确认道岔(指由调车组扳动的道岔)、防溜脱轨器开通位置正确、大门开启、门钩挂好、线路无障碍物以及停留车情况、货位距离等符合规定,防护信号及装卸机具已撤除、车下无障碍物后,方准进入。
A.调车联控
B.一度停车
C.控制速度

[单选题]为预防泥包,在松软地层钻进时应维持钻井液()。
A.低粘度、低切力
B.高粘度、低切力
C.低粘度、高切力

[单项选择]隐性课程是（ ）
A. 通过课堂式教学方式实施
B. 始终围绕教学就行
C. 通过潜移默化的方式发挥影响
D. 具有可控性

[判断题]使用消防车灭火时，即通过控制发动机油门，改变发动机转速，也不能得到需要的流量和扬程。

[单项选择]预防早产儿发生缺铁性贫血，给予铁剂的时间是（）
A. 1月龄
B. 2月龄
C. 3月龄
D. 4月龄
E. 5月龄

[填空题]范例教学中范例的基本特征：______、______和______。

[判断题]根据《保安服务管理条例》规定,享受社会保险既是保安员的权利,也是保安员的义务。
A.正确
B.错误

[单项选择]下列关于输液质量检查的说法正确的是
A. 在澄明度检查中，肉眼只能看见10μm以上的粒子
B. 对于输液，热原和无菌检查都很重要
C. 微粒检查的常规检查中，可以用光阻法
D. 澄明度检查时，如发现松盖的成品，应把盖子重新扣紧
E. 渗透压可以为低渗

[单项选择]瞳孔开大肌上的肾上腺素受体是（）.
A. α受体
B. β₁受体
C. β₂受体
D. M受体
E. N₂受体

[判断题]伤员脱离电源后，当发现触电者呼吸微弱或停止时，应立即通畅触电者的气道以促进触电者呼吸或便于抢救。
A.正确
B.错误

[判断题]在站场信号平面布置图上，站场股道的编号、正线编为罗马数字，站线编为阿拉伯数字。
A.正确
B.错误

[单项选择]Durable goods like high-definition plasma TVs last longer than a typical family vocation, so most economists and retailers would probably advise you to invest in some tangible thing rather than a trip to an amusement park to keep the family happy. But a psychologist says: Not so fast!
The memories of experiences such as vocations last longer and can contribute more to happiness than can material possessions, says happiness researcher Leaf Van Boven of the University of Colorado at Boulder. He suggests that experiences are more open to positive reinterpretation years after the fact--your mental editing will help you forget how long you stood in line and remember more vividly your child’s joy on the merry-go-round.
"The nice thing about memory is that we sort of forget about all those inconveniences," Van Boven explains. "We put this very favorable spin on experiences, and that’s harder to do for material possessions, because they are what they are." And if the high-def TV
A. A．3 mean A swift whirling motion.B. A state of mental confusion.C. The distinctive complex of connotations or implications.D. A distinctive character.

[单项选择]铺设10长的24kg/m钢轨时，其过渡间距是（）毫米。
A. 650
B. 700
C. 750
D. 800

[单项选择]胃术后近端空肠综合征的主要表现为（）
A. 呕吐胆汁及食物
B. 呕吐大量胆汁
C. 呕吐食物不伴胆汁
D. 上腹部疼痛
E. 黄疸

[单选题] 能将高级语言源程序转换成目标程序的是( )。
A. 解释程序
B. 编辑程序
C. 调试程序
D. 编译程序

[判断题]耳塞的平均隔噪声值为5～10dB。( )

[简答题]【问题2】
在图2-7所示的配置文件中，第14行至第18行实现什么配置功能

[填空题]DSL3252配电远方终端交流采样插件有（）、（）两种。

[判断题] 配合物的稳定常数KMY为一不变的常数，它与溶液的酸度大小无关。
A.正确
B.错误

[单选题]变压器采用纠结式绕组可改善过电压侵入波的起始分布。
A.正确
B.错误
C.lue
D.lue
E.lue
F.lue
G.lue
H.lue

[单项选择]Video game players may get an unexpected benefit from blowing away bad guys—better vision. Playing “action” video games improves a visual ability __51__ tasks like reading and driving at night, a new study says. The ability, called contrast sensitivity function, allows people to discern even subtle changes __52__ gray against a uniformly colored backdrop. It’s also one of the first visual aptitudes to fade with age. __53__ a regular regimen of action video game training can provide long-lasting visual power, according to work led by Daphne Bavelier of the University of Rochester. Previous research shows that gaming improves other visual skills, such as the ability to track several objects at the same time and __54__ attention to a series of fast-moving events. Bavelier said, “A lot of different aspects of the visual system are being enhanced, __55__.” The new work suggests that playing video games could someday become part of vision-correction treatments, which currently rely mainly
A. Until
B. While
C. Unless
D. Once

[单选题]选用不锈钢焊条时,主要应该遵守与母材( )和原则。
A. 等强度
B. 等冲击韧度
C. 等成分
D. 等塑性

[多选题]单位协定存款合同按期限分为()和()。
A.短期合同
B.固定期限合同
C.长期合同
D.无固定期限合同

[判断题]《中国铁路北京局集团有限公司定期票、计次票实施细则》规定：计次票是指有效期内可乘坐限定次数的指定发到站间规定列车的车票。
A.正确
B.错误

[多选题]鼠标有哪几种基本操作( )
A. 移动
B. 单击
C. 拖动
D. 双击

[判断题]铺设伸缩调节器以整修后的线路为基准。( )
A.正确
B.错误

[多选题]手工人身检查应按照( )的程序实施。
A.由上到下
B.由里到外
C.由左到右
D.由前到后

[单选题] 依据《中国南方电网有限责任公司安全生产禁令》第二条规定:( )未经安全规程考试、实际技能考核合格上岗作业。
A.批准
B.允许
C.严禁
D.可以

[单选题]浪漫主义作品《自由领导人民》是(　　)的作品。
A.戈雅
B.塞尚
C.德拉克洛瓦
D.凡·高

[单选题] 爆破片装置应定期更换。一般爆破片装置应在( )内更换;在苛刻条件下使用的爆破片装置应每年更换。
A.1-2 年
B.2-3 年
C.3-4 年
D.4 年

[单选题]单独驻防的中队（站）以上单位，应当设置（ ）。
A.营门警卫人员
B.警卫人员
C.门卫
D.保安人员

[单选题]我国《兵役法》规定,应征公民是维持家庭生活的唯一劳动力或者是正在全日制学校就学的学生,可以﹍﹍﹍。( )
A.免征
B.应征
C.缓征
D.特征

[单选题]突发事件应急处置工作结束后，相关部门及下属单位应在（ ）个工作日内完成应急救援工作总结报告，并报公司安委办。
A.2
B.3
C.4
D.5

[单选题] 三相交流电路中所谓三相负载对称是指( )。
A.各项阻抗值相等
B.各项阻抗值不等
C.电阻相等、电抗相等、电抗性质相同
D.阻抗角相等

[单项选择]冠心病患者突感心悸、胸闷，血压90/60mmHg，心率150/分，心尖部第一心音强弱不等，ECG示心房率慢于心室率，二者无固定关系，QRS波群增宽至0.12s，可见室性融合波，诊断为（）
A. 室颤
B. 频发室早
C. 房扑
D. 阵发性室上性心动过速
E. 阵发性室性心动过速

[填空题]A. For the past quarter century, many individual investors followed a fairly simple investment strategy: set aside regular savings to invest, buy a diversified basket of holdings and ride out the occasional pullbacks by staying focused on very long-term returns. That conventional wisdom generally paid off. Now, with the stock market rallying after a crushing 40 percent decline last year, that strategy seems to be making a comeback. But there are very unconventional forces at work today that may derail that method.
B. After last year’s heart-stopping plunge, the stock market has gained about 25 percent since it bottomed in November. That stoked confidence among some investors and financial advisers that the worst may be over and investors who bailed out last year should now go bargain hunting. "Stocks are cheap right now. There’s a lot of cash on the sidelines, and earnings are washed out," said Rob Morgan, a market strategist for Clermont Wealth Strategies. "We’ve got ingredient

[单项选择]