热门试题:
[单选题]钢梁桥面系纵梁位置处横梁的挠度：端横梁应不大于( )，中间横梁应不大于3mm。
A.1mm
B.2mm
C.3mm
D.4mm
[单选题]空气呼吸器使用前气瓶压力不能低于( )MpA.。
A.、15
B.、20
C.25
D.30
[单项选择]行驶中车辆摆头，其原因是（）
A. 减震器失效
B. 钢板弹簧折断
C. 前轮定位不准
[单选题]实践表明,斜齿圆柱齿轮传动较直齿圆柱齿轮传动平稳承载能力大,主要是原因是斜齿轮的( ),并且同时啮合的齿数多。
A.材料强度大
B.重选系数比直齿轮小
C.重选系数比直齿轮大
D.受力小
E.略
F.略
G.略
H.略
[单项选择]用火焰矫正薄板的局部凸、凹变形宜采用（）加热方式。
A. 点状
B. 线状
C. 三角形
[单选题]上颌牙列中按牙周膜面积从大到小的排列顺序是 ( )
A.6745321
B.6734521
C.7654312
D.7634521
E.6734512
[多选题]电压中枢点一般选择( )。
A.区域性水火电厂的高压母线
B.枢纽变电站的二次母线
C.有大量地方性负荷的发电厂母线
D.终端变电站的高压母线
[单选题]下列选项中，在借贷记账法下关于成本类账户结构描述不正确的是（ ）。
A.借方登记增加
B.贷方登记增加
C.期末余额一般在借方
D.有些账户可能无余额
[单选题]旅客运输的（ ）自检票进站起至到站出站时止计算。
A.运送期间
B.生效时间
C.起止时间
D.承运期间
[单选题]站台区最高运行速度为：（）；区间最高运行速度为：（）。
A.25km/h；40km/h
B.50km/h；76.5km/h
C.50km/h；78.5km/h
D.60km/h；78.5km/h
[判断题]在用车查验时,总质量大于或等于12000kg的自卸车除了在车厢后部喷涂或粘贴/放置放大的号牌号码,还应在车厢左右两侧喷涂放大的号牌号码。
A.正确
B.错误
[单选题]由 RL C并联电路中, 为电源电压大小不变而频率从其谐波频率逐渐减小到零时,电路中的电流值将( )
A.从某一最大值渐变到零
B.由某一最小值渐变到无穷大
C.保持某一定值不变
[单选题]装运酸、碱类的罐车罐体为（ ），罐体两侧纵向中部应涂装有一条宽300mm黑色水平环形色带。
A.全黄色
B.灰色
C.灰白色
[单项选择]清瘟败毒饮的组成药物不包括
A. 生石膏、真川连
B. 栀子、桔梗、丹皮
C. 大黄、荆芥、防风
D. 黄芩、知母、鲜竹叶
E. 赤芍、玄参、连翘
[多项选择]收益性房地产的价值高低主要取决于( )。
A. 已经获得净收益的大小
B. 未来获得净收益的风险
C. 未来获得净收益的大小
D. 目前总收益的大小
E. 未来获得净收益期限的长短
[判断题]所有记录起止时间的天气现象均有可能出现只有开始时间的情况。（）
[简答题]
46)Free-market economy is an economic system in which individuals, rather than government, make the majority of. decisions regarding economic activities and transactions. Iadividuals are free to make economic decisions concerning their employment, how to use or accumulate capital, what expenditures to make, and whether to use their resources now or to save them for later consumption. The principles underlying free-market economies can be traced to the 18th century British economist Adam Smith. 47)According to Smith, individuals acting in their own economic self-interest will maximize the economic situation of society as a whole, as if guided by an "invisible hand". In a free-market economy the government’s function is limited to providing what are known as "public goods" and performing a regulatory role in certain sifuations.
48) Public goods, which include defense, law and order, and education, have two characteristics;consumpti
[单项选择]“一个和尚拎水吃，两个和尚抬水吃，三个和尚没水吃”主要揭示管理职能中（）的重要性
A. 指挥
B. 领导
C. 协调
D. 计划
[单选题]违反《山东省安全生产风险管控办法》规定，生产经营单位未采取安全生产风险管控措施的，由负有安全生产监督管理职责的部门责令限期改正；逾期未改正的，处（）的罚款。
A.1万元以上2万元以下
B.1万元以上10万元以下
C.3万元以上5万元以下
D.5万元以上10万元以下
[多项选择]垄断资本主义总是把殖民地附属国作为 ( )
A. 商品销售地
B. 投资场所
C. 原料供应地
D. 维持霸权主义的条件
[多选题]下列全塑市话电缆线路设备的维护项目及测试周期叙述正确的有______。
A.对空闲主干电缆线对绝缘电阻的测试为每年一次
B.对电缆屏蔽层连通电阻在投入运行时测试，以后按需测试
C.对用户线路传输衰减在投入运行及线路传输质量劣化和障碍修复后测试
D.对用户线路环阻在投入运行时或障碍修复后测试
E.对用户线路绝缘电阻不包括引入线及用户终端设备在投入运行时测试，以后按需要进行测试
[判断题]工务段的管辖范围：正线延长单线以500～700km为宜，双线以800～1000km为宜。
A.正确
B.错误
[单选题]一回线路检修（施工），邻近或交叉的其他电力线路需配合停电和接地时，应在工作票中列入（ ）。
A.安全措施；
B.相应的安全措施；
C.技术措施；
D.相应的技术措施；
[填空题]给水泵装置在除氧器下部的目的是为了防止（）
[判断题]员工（操作工）未经安全培训验收合格进行食品加工设备操作的，对柜组主任第一次降当月一级工资；第二次降职，商品部经理负连带责任。
A.正确
B.错误
[判断题]交流调压器是一种将直流电变换为可调交流电的变流装置。( )
A.正确
B.错误
[多选题]计算机使用人员在操作过程中应注意的( )要点。
A.一旦发现异常现象，应立即关闭电源，并告知维护人员
B.工作环境温度太高或太低，以及空气污染、灰尘多，对机器的使用极为不利
C.最好配备不间断电源UPS，以防突然断电造成数据的丢失和对计算机造成不良的影响
D.硬盘驱动器是属于接触启停式，在操作运行中尽量避免频繁的启停以保护驱动器
[单选题]第四套人民币50元背面主景图案使用( )工艺印刷。
A.凹印
B.胶印
C.丝印
D.凸印
[简答题]Part 1Entertainment(Relax):
Do you like watching TV
Do parents allow children to watch TV
Do Chinese people like taking pictures
How do you reserve your photographs
What kinds of activities do you often do in your spare time
How do you often relax yourself on weekends
How do your surrounding friends relax
What is your favorite way to relax yourself
Do you like reading
What kind of book do you like best
Do you like sports What is your favorite sport
What kind of sport is popular in China
What kind of sports do elderly people like doing in China
Do people often go boating in your country
[单选题]既能祛风湿，利关节，又能解毒的药物是
A.独活
B.豨莶草
C.络石藤
D.桑枝
E.桑寄生
[单项选择]细菌性痢疾患者的粪便镜检可见（）
A. 白细胞增多
B. 红细胞且破坏
C. 吞噬细胞偶见
D. 上皮细胞增多
E. 真菌
[单项选择]
Text 1
At some point during their education, biology students are told about a conversation in a pub that took place over 50 years ago. J. B. S. Haldane, a British geneticist, was asked whether he would lay down his life for his country. After doing a quick calculation on the back of a napkin, he said he would do so for two brothers or eight cousins. In other words, he would die to protect the equivalent of his genetic contribution to the next generation.
The theory of kin selection--the idea that animals can pass on their genes by helping their close relatives--is biology’s explanation for seemingly altruistic acts. An individual carrying genes that promote altruism might be expected to die younger than one with "selfish" genes, and thus to have a reduced contribution to the next generation’s genetic pool But if the same individual acts altruistically to protect its relatives, genes for altruistic behavior might nevertheless propagate
A. human behavior is confined to the exclusive concern of psychologists.
B. economists' utility is only the explanations for random acts of kindness.
C. altruism is developed during the long process of human evolution.
D. biologists can help economists explain some human behavior deviations.
[单选题]党的十八届四中全会决定指出，党规党纪()国家法律。
A.宽于
B.严于
C.高于
D.等于
[单选题]男性，65岁，血压140／95mmHg，有糖尿病史6年，无吸烟史，血脂正常，无家族史，该患者高血压分级及危险分层为
A.1级，高危
B.1级，极高危
C.2级，中危
D.1级，低危
E.1级，中危
[单选题]检测电缆温度，应在()进行。
A.冬季
B.夏季
C.春季
D.秋季
