热门试题:
[单选题]120~160km/h运行区段,锚段长度在800m以上的接触线补强的数量安全值不得超过( )。
A.2个
B.3个
C.4个
D.5个
[单选题]女性,43岁,头部被撞击致伤,唤之睁眼,回答问题错误,检查时躲避刺痛,其C格拉斯哥昏迷评分为( )
A.15分
B.12分
C.11分
D.8分
E.5分
[判断题]总工作票应在分工作票许可后才可许可；总工作票应在所有分工作票终结后才可终结。
A.正确
B.错误
[单项选择]对卵巢癌诊断最好的指标是( )
A. CEA
B. BJP
C. 降钙素(C
D. 组合指标CEA、HCG、CA125
E. 组合指标CEA、HCG、CA199
[单选题]某人血气结果如下：PH7.32，HCO3-15mmol/L , PCO2 25mmHg，他可能发生了何种酸碱失衡
A.无酸碱失衡
B.呼吸性碱中毒
C.代谢性酸中毒
D.代谢性碱中毒
[单选题] (单选题)当梁(板)上荷载为均布荷载时,预应力筋宜采用( )。
A. 抛物线形
B. 双折线形
C. 单折线形
D. 直线形
[多选题]2.1.004 2
预防整治尖轨与基本轨不密贴,可进行的措施有哪些( )。
A.打磨基本轨和尖轨的肥边
B.调整拉杆或连接杆位置
C.整正滑床板
D.打靠道钉,消除假轨距
[单项选择]( )不是确定邮政局设置的主要因素。
A. 业务成本
B. 服务半径
C. 服务人口数
D. 业务收入
[判断题]传动轴异响主要表现为:汽车起步或突然变速时有异响,并伴随车身抖动;汽车起步时无异响,加速时有异响,脱挡滑行响声清晰;汽车行驶时有异响,并且车速越高响声越大。( )
A.正确
B.错误
[单选题]对难以做到与电源完全断开的检修线路、设备，可（ ）其与电源之间的电气连接。
A.断开
B.拆除
C.隔离
D.拉开
[单选题]如果一个危险品包装件贴有向上操作标签，那么它一定
A.内装第三类危险品
B.内装液态危险品
C.内装气态危险品
D.都不对
[单项选择]Imagine a world in which there was suddenly no emotion -- a world in which human beings could feel on love or happiness, no terror or hate. Try to imagine the consequences of such a transformation. People might not be able to stay alive: knowing neither joy nor pleasure, anxiety nor fear, they would be as likely to repeat acts that hurt them as acts that were beneficial. They could not learn: they could not benefit from experience because this emotionless world would lack rewards and punishments. Society would soon disappear: people would be as to harm one another as to provide help and support. Human relationships would not exist: in a world without friends or enemies, there could be no marriage, affection among companions, or bonds among members of groups. Society’s economic underpinndings (支柱) would be destroyed: since earning $ 10 million would be no more pleasant than earning $10, there would be no incentive to work. In fact, there would be no incentives of any kind. For as we wil
A. believe that emotions are fundamental for them to stay alive
B. benefit from providing help and support to one another
C. enjoy being rewarded for doing the right thing
D. know what is vital to the progress of society
[单项选择]对待中国古代文化遗产和外国文化，要坚持“古为今用”、“洋为中用”，这种对待中外文化态度的根本哲学依据是
A. 量变和质变的辩证关系原理
B. 实践和认识的辩证关系原理
C. 真理和价值的辩证关系原理
D. 辩证的否定原理
[单项选择]机采井动液面通常用（）测得。
A. 动力仪
B. 回声仪
C. 压力计
D. 取样器
[判断题]铁塔应设置防攀爬、防拆盗等防护措施，邻近公路、交通要道设置的铁塔，宜采取防冲撞措施。
A.正确
B.错误
[单选题]直流输电系统正常运行时，人员进入阀厅巡视走道宜( )。
A.佩戴护目镜
B.佩戴耳罩
C.穿防电弧服
D.穿防静电服
[多选题]涉及主辅站的A类施工，通过移动端APP进行施工请点的步骤：（）。
A.施工负责人、施工责任人在施工计划开始时间前20分钟到达主、辅站，各站共同核实施工信息
B.各站施工准备工作完成后，施工负责人通过移动终端APP向行调办理请点
C.行调确认具备施工条件后批准施工
D.施工负责人、责任人至现场受理单位处扫码，确认身份及施工信息后进场施工
E.施工负责人未到车站，施工负责人通过移动终端APP向行调办理请点
[多选题]根据《配电安规》，工作许可后，工作负责人、专责监护人应向工作班成员交待（ ），告知危险点，并履行签名确认手续，方可下达开始工作的命令。
A.现场电气设备接线情况
B.工作内容
C.人员分工
D.带电部位
E.现场安全措施
[单项选择]Which of the following statements about the Baltimore of 1812 can be inferred from the passage
A. It did not take the way the city did in 1790.
B. It did not have many factories.
C. It was not an enjoyable place in which to live.
D. It could not grow any larger.
[单选题]清香高长,汤色清澈,滋味鲜浓.醇厚.甘甜,叶底嫩黄肥壮成朵是( )的品质特点。
A.六安瓜片
B.君山银针
C.黄山毛峰
D.滇红工夫红茶
[单项选择]关于血源性肺脓肿的叙述，错误的是
A. 致病菌多为金黄色葡萄球菌、表皮葡萄球菌及链球菌
B. 病程早期主要表现为感染中毒症状
C. 其典型临床表现为咳嗽、咳大量臭脓痰
D. 极少咯血
[填空题]电器的触头在多次接通和断开有载电路后,它的接触表面将逐渐产生磨耗和损坏,这种现象称做电器触头的( )。P85T379
[多项选择]Code49是一种（）的条码符号。
A. 多层
B. 连续型
C. 非连续型
D. 可变长度
[判断题] 客单价是指药店每一顾客平均购买商品的总额也是平均交易总额。
A.正确
B.错误
[判断题]配电线路、设备停电时，对可直接在地面操作的断路器（开关）、隔离开关（刀闸）的操作机构应悬挂“禁止合闸，有人工作！”或“禁止合闸，线路有人工作！”的标示牌。
A.正确
B.错误
[单项选择]8237DMA本身有16位地址线，每个通道一次可传输64KB字节，如定义64KB为 1页，并在8237与主机连接的控制电路中增加12位页地址寄存器，其寄存器的12位页地址作为它的高12位地址，此时8237的寻址的内存容量为______。
A. 32MB
B. 64MB
C. 128MB
D. 256MB
[单项选择]肛裂典型的临床表现是（）
A. 疼痛、出血、排便不尽感
B. 疼痛、便秘、出血
C. 腹痛、里急后重、便秘
D. 左下腹疼痛、脓血便、排便不尽感
E. 便秘、间断性黏液性血便
[单项选择]
Shundagarh is a village on India’s east-facing coast. The Khadra Hills rise immediately behind the village, to a height of one hundred and fifty meters. A simple, good-hearted old man, whose name was Jalpur, farmed two small fields on the very edge of those hills. From his fields he could see everything up and down the coast. If the weather was kind and the harvest was good, Jalpur could live happily enough — not well, but happily. When there was little or no rain, then he came close to the line between a life which was too hard and death itself.
Last year the weather had been so kind and the harvest promised to be so good, that Jalpur had been wondering whether he could sell all that he had and live with his son farther up the coast. He had been thinking about doing this for some years. It was his dearest wish to spend his last days with his son and his family. But he would go only if he could give; he would not go if it meant taking food out of the mouth of
A. He gave his life for the lives of the whole village.
B. He is an unselfish man.
C. He thought more of others than of himself.
D. All of the above.
[单项选择]接入网技术复杂、实施困难、影响面广。下面______技术不是典型的宽带网络接入技术。
A. 数字用户线路接入技术
B. 光纤/同轴电缆混合接入技术
C. 电话交换网络
D. 光纤网络
[单选题]《生产安全事故报告和调查处理条例》规定的罚款的行政处罚，由（ ）决定。
A.人民政府
B.事故调查组
C.安全生产监督管理部门
D.监察部门
[多项选择]平波电抗器的损耗主要包括（）。
A. 直流损耗
B. 谐波损耗
C. 交流损耗
D. 电压损耗
[单选题]下列元器件和英文缩写不对应的是( )。
A..GTR:功率晶体管
B..MOSFET:功率场控晶体管
C..IGBT:绝缘门极双极型晶体管
D..IPM:功率集成电路
[多选题]营销现场作业保证安全的组织措施有哪些
A. 现场勘察制度
B. 工作票制度
C. 工作许可制度
D. 工作监护制度
E. 工作间断、转移制度
F. 工作终结制度
[不定项选择题][不定项选择题]按照《TDG》规定，下面关于柔性中型散装容器的要求说法正确的是（ ）。 (1分)
A.柔性中型散装容器适用于装运液体和固体。
B.用于制造13M1和13M2类型的柔性中型散装容器的全部材料在完全浸泡水中至少24 h后，其拉伸强度应能达到其在67%湿度或更低试验条件下该材料的拉伸强度的85%。
C.不得使用回收的旧容器材料来制造柔性中型散装容器的箱体。
D.柔性中型散装容器装货后，高与宽之比不应大于2:1。
