热门试题:
[判断题]由于旅客原因发生漏乘，旅客要求退票的，承运人可以收取适当的误机费。
A.正确
B.错误
[简答题]消防救援人员在消防救援院校、训练机构培训或者专业集训期间发生的事故,由承训的院校、训练机构负责统计。
[单选题]《铁路旅客运输办理细则》第十七条规定，学生每年仅限于购买（ ）单程减价票，当年未使用的次数，不能留作下年使用。
A.二次
B.三次
C.四次
D.五次
[单项选择]
In 1959 the (41) American family paid $ 989 (42) a year’ s supply of food. In 1972 the family paid $1 311. That was a price (43) of nearly one-third.
Every family has (44) this sort of experience. Everyone agrees that the cost of (45) a family has risen sharply. But there is less agreement (46) reasons for the rise are being discussed. Who is really (47)
Many blame the farmers who (48) the vegetables, fruit, meat, eggs and cheese (49) stores offer for (50) . According to the U.S. Department of (51) , the farmer’s share of the $ 1 311 spent by the family in 1972 was $ 521. This was thirty-one percent (52) than the farmer had received in 1959.
But farmers claim that this increase was very small (53) to the increase in their cost of (54) . Farmers tend to blame others for the sharp (55) in food prices. They particularly blame those who (56)
A. had produced
B. produce
C. had bought
D. buy
[单项选择]药物中砷盐的检查可用( )。
A. 氯化钡试剂
B. 硝酸银试剂
C. 硫代乙酰胺试剂
D. 锌与盐酸
E. 硫化钠试剂
[简答题]《铁路旅客运输办理细则》（铁运〔1997〕103号）规定，学生票中的学校是如何定义的？
[单项选择]《中华人民共和国海洋环境保护法》的适用范围不包括中华人民共和国（）。
A. 内水
B. 领海
C. 大陆架
D. 部分公海
[判断题]窒息灭火的常用方法有在火场上可用喷雾水流、水蒸气、惰性气体充入燃烧区域内，稀释氧气浓度。（ ）
A.正确
B.错误
[单项选择]民族区域自治的核心是保障少数民族行使( )。
A. 独立权利
B. 自决权利
C. 自主权利
D. 自治权利
[单选题]采用灯光旋转法进行并列时，如果三组灯光明、暗旋转变化，但每组灯均不熄灭，说明发电机(____)与电网的不等。
A.电压大小
B.电压相位
C.频率
D.相序
[多选题]施工单位应建立健全安全生产责任制度，施工单位负责人、项目负责人对本单位安全生 产工作负有的职责包括（）。
A.建立、健全本单位安全生产责任制
B.组织制定本单位安全生产规章制度和操作规程
C.组织制定并实施本单位安全生产教育和培训计划
D.保证本单位安全生产投入的有效实施
E.及时、如实报告生产安全事故
[多选题]下列哪些行为是《中华人民共和国人民币管理条例》所禁止的( )
A.伪造.变造人民币
B.故意毁损人民币
C.持有伪造.变造人民币
D.制作.仿制.买卖缩小的人民币图样
[判断题]证件未到或不齐时，应及时向供货单位索取，到库商品应作为待检验商品堆放在待验区，待证件到齐后再进行验收。
[判断题]防高温手套的耐热温度为900℃。( )（难)
A.正确
B.错误
[多项选择]实施变更时有（）重要控制点。
A. 授权
B. 审核
C. 评估
D. 确认
E. 检查
[判断题]道岔锁闭后，不允许再扳动道岔。
A.正确
B.错误
[单选题]电网侧营销现场作业是指在公司产权场所、设备范围内或()内进行的营销现场作业。
A.服务区域
B.私人区域
C.公共区域
D.工作区域
[单选题]喂奶前用温水将母乳温热( )℃即可。
A.37~38
B.38~39
C.39~40
D.41~42
[单项选择]建筑智能化系统检查测试项目不包括（）。
A. 安装环境
B. 通信协议
C. 设备安装验收检查
D. 硬件测试
[单项选择]男性，58岁。3h前突感胸痛，压榨样，伴冷汗淋漓，气短，来院急诊。查体：气稍促，心界不大，律齐，心率90/min，无明显杂音。此时，最主要应立即检查
A. 超声心动图
B. 血清心肌酶
C. 心电图检查
D. X线胸部摄片
E. 全身CT(计算机X线体层扫描)
[单选题]康明斯的英文全名是( )
A.Cummins
B.Kummins
C.Cumins
D.Kumins
[判断题]电压互感器的负载误差,通常随着二次负荷导纳增大时,其比值差往负方向变化,其相位差往正方向变化 ( )
A.正确
B.错误
[填空题]
Dear sir,
We thank you very much for your order November
3rd.After careful consideration on your request and discussion of our broad of
directors, however, we have come to the conclusion that we cannot but decline
your order in this case. In order to reach the limit you required in your
specifications we would have to install a large amount of special equipment at
our plant, and this would not be possible before January next year without
interrupting our normal production.
Although our company is one
of the leading exporters of the products you need right now and has been dealing
in various markets for more than twenty years, we dare not risk a business out
of our control.
We are really sorry not to be in a position to
accept your order, but hope that you will understand our situation. Since
a long-standing relationship of our two companies has been established, we will
be awaiting with keen interest your favorable reply. Please let
[判断题]转动配合部位的故障特征是松动、磨损、发热、熔焊。 ( )
A.正确
B.错误
[多项选择]血瘀形成的原冈是( )
A. 气机郁滞
B. 气虚血运迟缓
C. 热入营血
D. 寒凝血脉
E. 痰浊阻于经络
[简答题] The Debate over Genetically Modified Foods
--Rice with built-in Vitamin A that can help prevent blindness in 100 million children suffering from Vitamin A deficiency
--A tomato (hat softens more slowly, allowing it to develop longer on the vine and keep longer on the shelf
--Potatoes that absorb less fat when fried, changing the ever-popular French fries from junk food into a more nutritional food
--Strawberry crops that can survive frost
These are some of the benefits promised by biotechnology. The debate over its benefits and safety, however, continues. Do we really need to fear mutant (突变体) weeds, killer tomatoes, and giant corn and will the benefits be delivered
Conventional Breeding Versus Genetically Modified (GM) Crops
For thousands of years farmers have used a process of selection and cross breeding to continually improve the quality of crops. Even in nature, plants and animals selectively breed, thus ensuring the optimum
[单项选择]农业部发布《兽药经营质量管理规范》即GSP，目的是______
A. 为了控制兽药质量，消除质量问题隐患，保证用药安全
B. 为了保证兽药的安全性、有效性和稳定性
C. 为了消除发生质量问题的隐患，保证兽药的安全性、稳定性
D. 为了保障用药质量，消除质量问题隐患，保证兽药的安全性和有效性
E. 为了控制可能影响兽药质量的各种因素，消除发生质量问题的隐患，保证兽药的安全性、有效性和稳定性不会降低
[判断题] 紧急情况下,经客运值班员同意车站可以使用BOM发售普通单程票。 ( )
A.正确
B.错误
[填空题] 、跨区间或全区间无缝线路的维修管理,应以( )为管理单元。
[判断题]引导手信号的意义是准许列车进入车场或车站。显示方式：昼间——展开的黄色信号旗高举头上左右摇动;夜间——黄色灯光高举头上左右摇动。
A.正确
B.错误
[多选题]箱式变电站停电工作前，应断开所有可能送电到箱式变电站的线路的（ ），验电、接地后，方可进行箱式变电站的高压设备工作。
A.断路器（开关）
B.负荷开关
C.隔离开关（刀闸）
D.熔断器
[判断题]眼的屈光系统是指房水,晶状体和玻璃体.( )
A.正确
B.错误
[单选题]下面哪种情况禁用β受体阻断药
A.心绞痛
B.快速性心律失常
C.高血压
D.房室传导阻滞
E.甲状腺功能亢进
[单项选择]关于弯曲菌属的特性，叙述不正确的是（）
A. 是一类呈逗点状或S形的革兰阴性菌
B. 广泛分布于动物界
C. 其中有些可引起动物和人类胃肠炎等消化道疾病
D. 已知对人致病的有空肠弯曲菌、结肠弯曲菌、幽门螺杆菌等
E. 空肠弯曲菌是腹泻的常见病原菌
[单选题]装载爆炸品、（ ）的车辆禁止手推调车。
A.超限货物
B.散装货物
C.气体类危险货物
D.爆炸品和散装货物
[单选题] 下列词语中有错别字的一项是( )
A.辐射 勇往直前 疲惫不堪 语无伦次
B.脐带 坚持不懈 刚毅不屈 郑重其是
C.真谛 迫不及待 耀武扬威 安居乐业
