热门试题:
[多选题](468794)分光光度法的方法误差主要由( )所引起。((1.0分)
A.操作者
B.溶液偏离比耳定律
C.溶液中干扰物质影响
D.过失误差
[多选题] 调节系统迟缓率过大,对汽轮机运行的影响有( )。
A.空负荷时,汽轮机的转速不稳定
B.并网后,负荷的摆动
C.机组负荷突然甩至零时,超速保护动作
D.经济性下降
[简答题]如何认识洋务运动的性质和失败的原因、教训？
[单项选择]
Smoking
Since 1939, numerous studies have been conducted to determine whether smoking is a health hazard. The trend of the evidence has been consistent and indicates that there is a serious health risk. Research teams have conducted studies that show beyond all reasonable doubt that tobacco smoking is associated with a shortened life expectancy.
Cigarette smoking is believed by most research workers in this field to be an important factor in the development of cancer of the lungs and cancer of the throat and is believed to be related to cancer of some other organs of the body. Male cigarette smokers have a higher death rate from heart disease than non-smoking males. Female smokers are thought to be less affected because they do not breathe in the smoke so deeply.
Apart from statistics, it might be helpful to look at what smoking tobacco does to the human body. Smoke is a mixture of gases, vaporized ch
A. Right
B. Wrong
C. Not mentioned
[单项选择]为了更好地规范“淘宝汇吃”市场，域名为：（），维护其正常运营秩序，根据《淘宝平台服务协议》、《淘宝规则》、《淘宝网食品行业标准》等相关规定，制定“淘宝汇吃”市场管理规范。
A. chi.taobao.com
B. huichi.taobao.com
C. chi.taobao.cn
D. chi.cnm
[单项选择]下面有关异丙吡胺的介绍中，哪一项是不正确的
A. 有抗M受体作用
B. 作用与奎尼丁相似
C. 不会诱发心力衰竭
D. 不减慢心率
E. 属于广谱抗心律失常药
[多项选择]我国航空交通设施建设规划提出，要将( )等机场建设为区域性中型航空客货集散中心。
A. 沈阳
B. 昆明
C. 乌鲁木齐
D. 郑州
E. 重庆
[单项选择]班主任对班级领导管理的影响力主要表现在两个方面：一是班主任的职权影响力；二是班主任的( )。
A. 个性影响力
B. 形象影响力
C. 服务影响力
D. 经济影响力
[单选题] 无遮拦作业,人体及其所携带工具与10KV带电体之间的距离至少大于( )M. 防护
A.0.35
B.0.5
C.0.7
D.2.5
[填空题]疏水器有( )、浮桶式、热动力式、倒吊桶式和脉冲式等类型。其中,液体膨胀式、波纹管式疏水器适用于低压蒸汽采暖系统。应用较多的有( )。
[多选题]脑出血时可以用来减轻脑水肿的药物是(1.00分)( )
A.甘露醇
B.呋塞米
C.白蛋白
D.甘油
E.低分子右旋糖酐
[单选题](47790)200≥vmax＞160km/h正线，轨道动态质量容许偏差管理值，扭曲（三角坑）Ⅰ级偏差管理值为（ ）mm。(1.0分)
A.4
B.5
C.10
D.14
[判断题]景泰蓝又名铜胎掐丝珐琅，因明景泰年间蓝色釉开始出现而得名。
[多选题]杆根及基础埋深不足的检修内容包括（）
A.夯土回填
B.基础加固
C.加装底盘
D.加装卡盘
E.加装拉线
[单选题]在工作地点或检修的配电设备上悬挂“（ ）”标示牌。
A.在此工作！
B.禁止分闸！
C.从此进出！
D.禁止合闸，有人工作！
[单选题]各站凭统一编号的转向架办理交接检查，无编号或无（ ）的转向架不准使用。
A.生产日期
B.生产厂家
C.技术档案
D.名称
[判断题]旅客在全部旅途中分别乘坐空调车和普通车时，可发售全程普通硬座车票。
A.正确
B.错误
[填空题]所有在机坪从事保障作业的人员，均应当按规定佩带（），穿着（），并配有（）。
[判断题]工作票有破损不能继续使用时，应补填新的工作票。补填的工作票不需再次履行签发许可手续。（）
A.正确
B.错误
[单选题]折现现金流估值法的基本原理是将估值时点之后目标公司的（ ）现金流以合适的折现率进行折现，加总得到相应的价值。
A.历史
B.未来
C.目前
D.过去
[判断题]大量出血后，本已失去造血功能的黄骨髓可暂时恢复
造血功能。
A.正确
B.错误
[判断题]协助负责组织召开新闻发布会的部门可以不用提前准备书面材料
A.正确
B.错误
[单选题](76611)普通螺纹丝锥有手用和机用两种,手用丝锥用合金工具钢制成,机用丝锥用()制成。(1.0分)
A.低速钢
B.高速钢
C.合金钢
D.普碳钢
[单选题]投诉人对银行保险机构分支机构消费投诉处理结果有异议的，可以自收到处理决定之日起（ ）日内向其上级机构书面申请核查。
A.A.10
B.B.15
C.C.20
D.D.30
[多选题]关于项目可行性研究报告中全厂运输的说法，正确的有（ ）。
A.工厂内不应建设铁路运输设施
B.全场运输应全部依托合建运输力量
C.全场运输量表中应说明货物的包装方式
D.厂区内应考虑人流和货流同道以节省土地
E.易燃、易爆物品运输应制定特别运输方案
[单项选择]下列哪种疾病不属于慢性非传染性疾病
A. 血脂紊乱
B. 高血压
C. 肥胖
D. 糖尿病
E. 肺结核
[单选题]FX2N系列可编程序控制器光电耦合器有效输入电平形式是( )。
A.高电平
B.低电平
C.高电平或低电平
D.以上都是
[单项选择]
Education is primarily the responsibility of the states. State constitutions set up certain standards and rules for the establishment of school. State laws require children to go to school until they reach a certain age. The actual control of the schools, however, is usually a local matter.
The control of the schools does not usually come directly from the local government. In each of the three types of city government, public schools are generally quite separate and independent. They cooperate with local officials but are not dominated by the municipal government. Most Americans believe that schools should be free of political pressures. They believe that the separate control of the school systems preserves such freedom.
Public schools are usually maintained by school districts. The state often sets the district boundaries. Sometimes the school district has the same boundaries as the city. Sometimes it is larger than the city.
In the South, county boards
A. By setting up certain standard and rules.
B. By requesting the children to go to schools until they are of certain age.
C. Either A or B.
D. Both A and B.
[判断题]由正线与侧线组成的交叉线岔，正线接触线位于侧线接触线的下方。
A.正确
B.错误
[单项选择]回跃反应又称（）
A. 变态反应
B. 撤药反应
C. 特异质反应
D. 继发反应
[多选题]“一个带头”、“三个表率” 、“一个模范”是指（ ）
A.带头维护党中央权威和集中统一领导
B.深入学习贯彻党的思想理论上作表率
C.在始终同党中央保持高度一致上作表率
D.在坚决贯彻落实党中央各项决策部署上作表率
E.建设让党中央放心、让人民群众满意的模范机关
[单选题]休克早期的临床表现是
A.表情淡漠
B.四肢厥冷
C.血压下降,脉速
D.脉压小,尿量减少
E.抽血时血液粘稠易凝
[单选题]慢性血行播散型肺结核的X线表现是
A.肺内病灶细小如粟粒，大小相等，密度相同，均匀分布于两肺
B.肺内病灶大小、新旧不等，较对称地分布于两肺上中部
C.肺内病灶大小不等，新旧均一，对称分布于两肺上中部
D.两肺下部弥漫性、大小不等的结节状阴影
E.肺内病灶呈结节状，分布密集，以中下及内中带为多
[单选题]隧道内步行巡视周期为( )个月。
A.3
B.6
C.10
D.12
[判断题]事规所称的“以上”不包括本数，所称的“以下”包括本数。（）
A.正确
B.错误
[单项选择] As soon as it was revealed that a reporter for Progressive magazine had discovered how to make a hydrogen bomb, a group of firearm (火器) fans formed the National Hydrogen Bomb Association, and they are now lobbying against any legislation to stop Americans from owning one.
"The Constitution," said the association’’s spokesman," gives everyone the right to own arms. It doesn’’t spell out what kind of arms. But since anyone can now make a hydrogen bomb, the public should be able to buy it to protect themselves."
"Don’’t you think it’’s dangerous to have one in the house, particularly where there are children around "
"The National Hydrogen Bomb Association hopes to educate people in the safe handling of this type of weapon. We are instructing owners to keep the bomb in a locked cabinet and the fuse (导火索) separately in a drawer."
"Some people consider the hydrogen bomb a very fatal weapon which could kill somebody."
The spokesman said, "Hydrogen bombs don’’t ki
A. will frighten away any possible intruders
B. can show the special status of its owners
C. will threaten the safety of the owners as well
D. can kill those entering others’’ houses by force
[单选题]完成某单位分部(分项)工程需要基本用工4．2工日，超运距用工0．3工日，辅助用工1工日，人工幅度系数为10%，则该单位分部(分项)工作预算定额人工消耗量为（ ）工日。
A.5．92
B.5．95
C.6．02
D.6．05
