热门试题:
[判断题]导游带团时绝对不允许喝酒。（ ）
A.正确
B.错误
[判断题]通过签署合同或协议承接公司系统项目业主单位发包生产建设工作任务的实施单位则为该项目的承包商。
A.正确
B.错误
[填空题]The continental United States will face more extreme temperatures during the next century and worse rainfall along its Gulf Coast which has been ravaged by hurricanes this year, according to a climate study. The study warned that{{U}} (36) {{/U}}gases will likely swell to twice their{{U}} (37) {{/U}} levels by the century’s end.
"Imagine the weather during the hottest two weeks of the year," lead{{U}} (38) {{/U}}Noah Diffenbaugh said, referring to northeast United States. "The area could experience temperatures in that range{{U}} (39) {{/U}}for periods of up to two months by century’s end," he said.
Researchers claimed the study, run on supercomputers, is the most comprehensive{{U}} (40) {{/U}} model to date. It{{U}} (41) {{/U}}the southwest United States could endure a 500 percent increase in hot events, leaving less water for the growing population, that the Gulf Coast region would {{U}} (42) {{/U}}more rainfall in a shorter time span and that summers in the nor
[多选题]装备训练时，要熟悉训练装备的( )。
A.技术性能
B.操作规程
C.操作要求
D.安全注意事项
E.维护保养
[单选题]生产经营单位应定期组织相关人员对尾矿库进行安全检查，安全检查每年应不少于（ ）次，并做好记录。
A.1
B.2
C.3
D.4
[多选题]夏天午睡时，辛某和其他两人要进入李某家的房子内盗窃，其他两人托着辛某从一个不大的窗子向房子内钻，李某只有头部从窗口进入屋内时,辛某发现后大声呵斥，并用手按着辛某的头向外推,但辛某仍用力向屋内钻，李某拿来一根木棒击打辛某的头部，致辛某死亡。李某的行为属于：（ ）
A.正当防卫
B.防卫过当
C.故意杀人罪
D.故意伤害（致人死亡）罪
[判断题]组织设计是管理者为实现组织目标而对组织活动进行设计的活动。 ( )
A.正确
B.错误
[单选题]（ ）有权拒绝违章指挥和强令冒险作业；在发现直接危及人身、电网和设备安全的紧急情况时，有权停止作业或者在采取可能的紧急措施后撤离作业场所，并立即报告。
A.A.工作人员
B.B.管理人员
C.C.工作人员
D.D.管理人员
[单选题]高处作业所用梯子的横挡间距以( )cm为宜。
A. 20
B. 30
C.40
D. 50
[单选题]休息日和节假日可以推迟( )起床。起床后,整理内务,清扫室内外。早饭后至晚饭前,主要用于整理个人卫生,处理个人事情。
A.30分钟
B.45分钟
C.一小时
D.二小时
[多选题]进入带电区域作业时必须穿戴( )等防护装备携带漏电探测仪、绝缘胶垫、接地线(棒)等器材。
A. 电绝缘服
B.绝缘靴
C. 绝缘手套
D.绝缘背心
[单项选择]一场甲午战争改变了中国历史走向。稍后的中国，循序渐进的洋务新政就此终止。自1895年算起，至1915年袁世凯“帝制自为”，在二十年时间里中国走过了西方国家诸如法国差不多两百年的历史。这种剧烈的变化反映了（）。
A. 甲午战败宣告洋务运动的破产
B. 甲午战败引发中国人的政治激进
C. 近代中国社会变革速度超过西方
D. 革命成为社会变革唯一的主旋律
[判断题]感应电动机采用变频调速时，希望气隙磁通Φm不变，因为如果Φm过大，将引起磁路过饱和而使励磁电流增加，功率因数降低；如果Φm太小，则电机容量得不到充分利用。
A.正确
B.错误
[单选题]OSI网络结构模型共有7层，而TCP/IP网络结构主要可以分为4层，其中TCP/IP的应用层对应于OSI的（）
A.应用层
B.表示层
C.会话层
D.以上三个都是
[单选题]电容元件的正弦交流电路中，电压有效值不变，当频率增大时，电路中电流有效值将（ ）。
A.增大
B.减小
C.不变
D.先增大后减小
[单选题]在微机的配置中常看到“P42.4G”字样,其中数字“2.4G”表示( )
A.处理器的时钟频率是2.4GHZ
B.处理器的运算速度是2.4GIPS
C.处理器是Pentium4第2.4代
D.不是所有作业都是进程
[单项选择]从历史上看，暴力革命是社会革命的（）
A. 唯一形式
B. 辅助形式
C. 必要形式
D. 基本形式
[判断题]低压照明用户供电电压允许偏差为额定电压的+10%~--10%。()
A.正确
B.错误
[单选题]（ ）级及以上风险作业项目应发布风险预警。
A.三
B.四
C.五
D.六
[填空题]网络中的计算机与终端间要想正确地传送信息和数据，必须在数据传输的顺序、数据的格式及内容等方面有一个约定或规则，这种约定或规则称作______。
[多选题]先进文化是( )。
A..杰出人物的书籍
B..人类文明进步的结晶
C..健康的、科学的、向上的、代表未来发展方向和推动社会前进 的文化
D..造诣很高的文化艺术
[单选题]【LH】 要使一 台额定电压为 100V、额定电流为 10A 的用电设备接人 220V 的电路 中并能在额定工况下工作 ,可以 ( )。
A. 串联一个 12Q的电阻
B. 串联一个 20Q的电阻
C. 串联一个 10Q的电阻
D. 并联一个 10Q的电阻
[单项选择]
Passage 2
Every country tends to accept its own way of life as being the normal one and to praise or criticize others as they are similar to or different from it. And unfortunately, our picture of the people and the way of life of other countries is often a distorted(曲解) one.
Here is a great argument in favor of foreign travel and learning foreign languages.(78) Itis only by traveling in or living in a country and getting m know its inhabitants and their language that one can find out what a country and its people are really like. And how different the knowledge one gains this way frequently turns out to be from the second-hand information gathered from other sources! How often we find that the foreigners whom we thought to be such different people from ourselves are not very different after all!
Differences between peoples do, of course, exist and, one hopes, will always continue to do so. (79) The world will be a dull place indeed when all the dif
A. from second-hand information
B. gathered from other sources than from its inhabitants
C. gained from the arguments about the country
D. different from what one had before the travel
[单项选择]根据协管员、信息员的工作职责及性质，乡镇（街道）食安办对协管员、信息员应当实行先（）后上岗制度。
A. 培训
B. 推荐
C. 考核
D. 竞争
[单选题]关于射线在材料中的衰减,下述哪种叙述是正确的?( )
A.它与材料中的散射强度成正比
B.它与射线源的距离平方成正比;
C.它随材料的厚度大致以指数规律变化
D.它与材料的厚度成正比
[单选题]集中授权中心在综合业务系统内不设机构，授权柜员归属于法人机构( )。
A.事后监督中心
B.清算中心
C.账务会计部
D.人力资源部
[单选题]ZD(J)9型电动转辙机的联动表示杆(锁闭杆)的调整顺序为（）。
A.不分先后
B.先伸出后拉入
C.先拉入后伸出
D.同步调整
[单选题]较大事故逐级上报至( )安全生产监督管理部门和负有安全生产监督管理职责的有关部门
A.县级人民政府
B.国务院
C.设区的市级人民政府
D.省、自治区、直辖市人民政府
[单项选择]以下哪项不是过敏性紫癜的特点（）
A. 毛细血管脆性试验阳性
B. 血清IgA及补体C降低
C. 血小板计数及出凝血时间正常
D. 大便隐血试验可呈阳性
E. 尿液检查可有血尿、蛋白尿及管型
[判断题]工作负责人办理工作许可手续前，组织全体作业人员开展安全交底，并应用移动作业APP留存工作许可、安全交底录音或影像等资料。
A.正确
B.错误
[判断题]到达列车需摘开本务机车、机车将客车底送至到发线，摘开软管前，摘解人员须与司机确认自动制动机达到最大减压量（不得采用紧急制动排风），并确认停留车辆中三辆自动制动机处于制动状态（旅客列车本务机车换挂时可不确认）。未摘解前，司机不得缓解车列。
A.正确
B.错误
[判断题]在港口岸电技术中，低压小容量岸电技术的电压等级三相为380V，单相为220V
A.正确
B.错误
[单选题]模板立柱若采用方木,其尺寸一般为( )。
A.5cm×8cm
B.8cm×10cm
C.10cm×10cm
D.10cm×12cm
[单选题]一空载运行电缆线路,首端电压和末端电压分别为U1和U2,下面正确的是( )。
A.U1B.U1=U2;
C.U1>U2;
D.不确定。
[填空题]As shown by the World Fertility Survey, ______ couples in developing countries actually achieve their goals of small families.
[简答题]Do you remember all those years when scientists argued that smoking would kill us but the doubters insisted that we didn’t know for sure That the evidence was inconclusive, the science uncertain That the antismoking lobby was out to destroy our way of life and the government should stay out of the way Lots of Americans bought that nonsense, and over three decades, some 10 million smokers went to early graves.
There are upsetting parallels today, as scientists in one wave after another try to awaken us to the growing threat of global warming. The latest was a panel from the National Academy of Sciences, enlisted by the White House, to tell us that the Earth’s atmosphere is definitely warming and that the problem is largely man-made. The clear message is that we should get moving to protect ourselves. The president of the National Academy, Bruce Alberts, added this key point in the preface to the panel’s report: "Science never has all the answers. But science does provide us wit
A. A．they both suffered from the government’’s negligence.
B．a lesson from the latter is applicable to the former.
C．the outcome of the latter aggravates the former.
D．both of them have turned from bad to worse.
[多项选择]工商行政管理所可以以自己的名义对个体工商户的违法行为作出（）的处罚。
A. 罚款
B. 没收非法所得
C. 责令停止营业
D. 吊销营业执照
