热门试题:
[单选题]采掘工作面进风流中，氧气浓度不得低于（ )。
A.0.18
B.0.19
C.0.2
[多选题]防止浇注通道吸入空气、防止钢水二次氧化可采取（）等措施。
A.增加机构面压
B.采用整体式浸入式水口
C.浇注中要吹入适当量的氩气
D.氩封
[单选题]依据GB/T25098-2010，带电绝缘清洗工具应定期进行预防性试验，试验周期为（ ）
A.A-一个月
B.B-18个月
C.C-半年
D.D-一年
[单项选择]Recreational runner Carrie Johnston usually doesn’t feel hungry after a (1) sweat. Exercise (2) Johnston’s appetite, but she knows she needs to (3) lost calories following a workout. "When I come home from a good run, I force myself to eat supper," says Johnston, a dietitian at McMaster University in Hamilton. (4) , Johnston says many female athletes let good eating habits go and risk health (5) thinness. Johnston, who works in the bone-marrow transplant unit at McMaster, has a background in sports (6) . In 1997, while a student at the University of Guelph, she (7) Prof. Heather Keller on a study for her (8) on the eating habits of female athletes. The (9) person with eating disorders is driven by a desire to look svelte, says Johnston. But her study focused on athletes who eat less to lower weight and body fat (10) the belief it will improve (11) . The study involved (12) 22 el
A. worked out
B. worker for
C. worked with
D. worked in
[单项选择]病历摘要：患者赵某，男，38岁。主诉：发热时高时低二月余。现病史：患者二月前因参加劳动，过度疲劳，汗出后出现发热，伴有周身酸楚等症，经某医院治疗后周身酸痛消失，但低热一直不退，今前来就诊，现症史：发热不退，热势时高时低，乏力气短，懒言自汗，食少便溏，舌质淡，苔白薄，脉细弱。患者平素易于感冒。 祖国医学中哪一本医著最早提出了“内伤发热”这一病名？（）
A. 《证治汇补》
B. 《症因脉治》
C. 《内外伤辨惑论》
D. 《脾胃论》
E. 《黄帝内经》
F. 《小儿药证直诀》
[单选题]零序电流
I. 段为保证选择性,保护范围为( )。
A.本线路全长
B.本线路及下级线路全长
C.本线路→部分
[判断题]湿空气的湿度是衡量其干燥能力大小的指标值。
A.正确
B.错误
[单选题]一顾客调节幅度是8.50D，使用反转拍测量调节灵敏度，反转拍放置的距离为以下哪项？
A.26cm
B.28cm
C.30cm
D.31cm
[判断题]学校、幼儿园、医院等以公益为目的的事业单位、社会团体的教育设施、医疗卫生设施和其他社会公益设施不可抵押。
A.正确
B.错误
[单选题]WWW网是（ ）。
A.局域网的简称
B.城域网的简称
C.广域网的简称
D.万维网的简称
[判断题]二级化学防护服能防止液体、蒸汽和气体渗透。( )
A.正确
B.错误
[单项选择]（）是指对工艺和产品不断运用综合性的预防战略，以减少其对人体和环境的风险。
A. 循环经济
B. 循环生产
C. 清洁生产
D. 清洁经济
[单选题]如果PLC控制系统负载变化频繁且负载较大，则应该用（）输出形式的PLC。
A.继电器
B.晶体管
C.双向晶闸管
[填空题] Today, most countries in the world have canals. Many countries have built canals near the coast, and parallel 【B1】 the coast Even in the twentieth century, goods can be moved more cheaply by boat than by any other 【B2】 of transport. These 【B3】 make it possible for boats to travel 【B4】 ports along the coast without being 【B5】 to the dangers of the open. Some canals, such as the Suez and the Panama, save ships weeks of time by making their 【B6】 a thousand miles shorter. Other canals permit boats to reach cities that are not 【B7】 on the coast, still other canals 【B8】 lands where there is too much water, help to 【B9】 fields where there is not enough water, and 【B10】 water power for factories and mills. The size of a canal 【B11】 on the kind of boats going through it. The canal must be wide enough to permit two of the largest boats using it to 【B12】 each other easily. It must be deep enough to leave about two feet of water 【B13】 the keel of the largest boat using the canal. When the plan
A. A．waterways
B．waterfronts
C．channels
D．paths
[简答题]第七题、 本套题共有4小题在考生文件夹下，新建文档WDA03.DOC，复制文档WDA02.DOC的内容，为此文档的正文各段加项目符号◆。并存储为文档WDA03.DOC.
[单选题]拆除施工严禁立体（）作业。水平作业时，各工位间应有一定的安全距离。
A.生产
B.混合
C.交叉
D.多工种
[单选题]监测系统应具备站端、远程控制的诊断、查询、访问、历史曲线、( )等功能，通过站端数据综合处理单元将数据实时传送到远程监测诊断中心进行统一管理及诊断。
A.报告
B.数据
C.图形
D.报表
[单选题]齿轮安装中心距误差不仅影响齿轮的接触位置,而且影响( )。
A.齿侧间隙
B.接触面积
C.传动比
D.传动效率
[单项选择]( )是咨询工程师为业主提供咨询服务的重要业务领域。
A. 可行性研究
B. 初步可行性研究
C. 项目评估
D. 机会投资
[单项选择]
Passage Three
Students should be allowed to study without worrying about grades. Fortunately, most educators are becoming aware of the fact that students have different interests and abilities. However, the discipline resulting from grades still exists. Grades often cut down creativity. Competing for better grades causes many students to turndown opportunities to pursue music, dramatics and sports. Grades impose a subjective standard of success on everyone. I do not demand as some extremists do, that grades be ended immediately. How- ever, I do believe that less emphasis should be placed on grades. I hope that someday grades will become optional at Village High School.
Magdalena Smith, President
Drama Club
Let’s face the facts about grades. Grades perform three basic functions. First, grades motivate students to work at their highest level of competence. Second, they act as a re- ward for hardworking students and as a scolding to stude
A. They are not useful.
B. They foster unnecessary competition.
C. They should be optional.
D. They are currently in us
[多选题] 根据《宪法》的规定,我国公民的政治权利和自由包括( )。
A. 选举权和被选举权
B. 言论、出版、结社自由
C. 集会、游行、示威自由
D. 受教育权
[单选题]下列岩体质量的工程分类方法中，不适合用于那些造成挤压、涌水和膨胀的极其软弱的岩体问题的是( )。
A.RQD法
B.Q值分类法
C.BQ分类法
D.CSIR分类法
[填空题]在地面<--NRC-->以上的高处及陡坡上作业，必须戴好安全帽、系好安全带或安全绳。
[单选题]营销现场停电作业，接地前，应使用相应电压等级的（ ）或测电笔，在装设接地线或合接地刀闸处逐相分别验电。
A.绝缘手套
B.操作把手
C.接触式验电器
D.操作杆
[多项选择]Barrett食管的组织学分型包括（）
A. 胃底型
B. 贲门型
C. 胃窦型
D. 特殊肠化生型
E. 十二指肠型
[单选题]υmax≤80 km/h正线及到发线混凝土枕线路，直线和圆曲线三角坑临时补修容许偏差管理值（ ）
A.8
B.11
C.13
D.15
[单选题]电气化区段，经由变更进路接发列车或调车作业前，车站值班员须认真确认牵引机车类型和变更进路（ ）。
A.开通位置正确
B.线路空闲
C.是否挂网、有电
D.无交叉进路
[简答题]简述3、4号机EH油系统中冷却油泵是如何工作的？
[填空题]常见的主板跳线有（）、清除CMOS跳线、主板电源线、机箱面板的接线。
[单选题]非连续进行的故障修复工作，应使用（）。
A.故障紧急抢修单
B.工作票
C.施工作业票
D.故障应急抢修单
[单选题]如果货币的远期汇率高于即期汇率,则称该货币远期（ ）。
A.贴水
B.升水
C.平价
D.溢价
[单选题]遇有（ ）级以上的大风时，禁止在同杆塔多回线路中进行部分线路停电检修工作及直流单极线路停电检修工作。
A.4
B.5
C.6
D.7
[判断题]二次工作安全措施票的“安全措施内容”应按重要程度逐项填写。
A.正确
B.错误
[判断题]当企业的资本报酬率低于债务利率时，会增加普通股股东的每股收益，提高净资产报酬率，提升企业价值。（）
[单选题]社区工作者接触居民,要求社会工作者能够在意居民,并顾及居民的情况,为居民着想。这属于( )技巧。
A. 聆听
B. 同理
C. 分享感受
D. 体谅
