热门试题:
[单选题]国务院和县级以上地方各级人民政府应当根据国民经济和社会发展规划制定安全生产规划,并组织实施。安全生产规划应当与()相衔接。
A.A、国家规划
B.B、省市规划
C.C、县区规划
D.D、城乡规划
[单选题] 工作中应随时注意油位高度和温升,一般油液的工作温度( )度在较合适
A.15
B.20
C.25
D.35
[多项选择]杏苏散的功用是
A. 轻宣凉燥
B. 止咳化痰
C. 宜肺化痰
D. 散寒发表
E. 宜肺解表
[判断题]作业车升降平台时可以同时上下人。( )
A.正确
B.错误
[判断题]根据《混凝土中钢筋检测技术标准》JGJ/T 152-2019,关于半电池电位值评价钢筋锈蚀性状的判据,当电位水平在-200mV~-350mV 时,锈蚀性状不确定。( )
A.正确
B.错误
[单选题] 闸板防喷器的井压助封是指关闭闸板形成初始密封后,井压将分别对闸板总成产生( )的推力,使密封效果更加良好。
A.向下和向井口中心方向
B.向上
C.向井口中心方向
D.向上和向井口中心方向
[填空题]半自动售票机在与线路中央计算机及车站计算机通信中断时,应能在 运行模式下工作,并保存数据。
[多项选择]根据我国《反垄断法》的规定,下列各项中,不适用反垄断法的行为有( )。
A. 知识产权的正当行使
B. 经营者达成垄断协议
C. 可能具有排除、限制竞争效果的经营者集中
D. 农业生产中的联合或者协同行为
[判断题]限时电流速断保护灵敏度校验条件为以本线路末端两相短路时,流过保护的最小短路电流进行校验
A.正确
B.错误
[单项选择]诊断慢性呼吸衰竭最重要的依据是
A. 有呼吸困难、发绀等症状
B. 意识障碍伴球结膜水肿
C. PaO2<80mmHg,PaCO2>50mmHg
D. SaO2<90%
E. PaO2<60mmHg,或伴PaCO2>50mmHg
[单项选择]
Most people have no idea of the hard work and worry that goes into the collecting of those fascinating birds and animals that they pay to see in the zoo. One of the questions that is always asked of me is (61) I became an animal collector in the first (62) . The answer is that I have always been interested in animals and zoos. According to my parents, the first word I was able to say with any (63) was not the conventional "mamma" or "daddy", (64) the word" zoo", which I would (65) over and over again with a shrill (66) until someone, in groups to (67) me up, would take me to the zoo. When I (68) a little older, we lived in Greece and I had a great (69) of pets, ranging from owls to seahorses, and I spent all my spare time (70) the countryside in search of fresh specimens to (71) to my collection of pets. (72) on I went for a year to the City Zoo, as a student (73)
A. except
B. but
C. except for
D. but for
[单项选择]判断糖尿病控制程度的指标是
A. 空腹血糖
B. 尿糖
C. 胰岛素释放试验
D. 葡萄糖耐量试验
E. 糖化血红蛋白
[简答题]木材 1 出现的节点有几个?( )
A.1
B.2
C.3
D.4
[判断题]安全技术措施计划制度是生产经营单位生产财务计划的一个组成部分,是提高经济效益的重要保证制度。 ( )
A.正确
B.错误
[单选题]党的十八大报告指出,当前,我国正处在进一步发展的重要战略机遇期,在新的历史起点上向前迈进。但必须清醒地看到,我国( )没有变,人民日益增长的物质文化需要同落后的社会生产之间的矛盾这一社会主要矛盾没有变。【单选题】
A..仍处于并将长期处于社会主义初级阶段的基本国情
B..社会主义国家人民民主专政性质
C..坚持党的领导
D..仍然处于发展中国家的世界位置
[单选题]( )用于衡量投资管理人对下行风险的控制能力。
A.风险
B.趋势
C.最大回撤
D.下行风险
[多选题]在高层、地下建筑等复杂场所作业时,为确保人员快速有序撤离,应( )设置人员接应点。
A.分距离
B.分层
C.分区
D.分危险程度
[判断题]NE20E-S8设备8个PIC板都可以配置10GE速率接口板。 ( )
A.正确
B.错误
[单项选择]もっとゆっくりお話ししたかったです。()
A. もう少しゆっくり話してください。
B. 時間がなかったので、話をしませんでした。
C. 話をしましたが、時間が足りなくて残念でした。
D. 時間が足りませんでしたが、話せてよかったです。
[单选题]设备中起密封作用的零部件称为( )。
A.动密封
B.密封件
C.紧固件
[单选题] 交通事故处理过程中,使用破拆工具破拆车体时,应使用()掩护,防止金属碰撞产生火花,引起油蒸气爆炸,发生火灾。
A.雾状水
B.直流水
C.直流水或开花水
D.泡沫液
[单选题]关格肾病及心,邪陷心包,若见狂躁痉厥,可改服
A.紫雪丹
B.苏合香丸
C.生脉散
D.参附汤
E.安宫牛黄丸
[单项选择]下面哪个不属于站点表的必填字段()
A. 产权单位
B. 电压等级
C. 简称
D. 投运日期
[单项选择]患者女性,60岁,卧床3周,近日骶尾部皮肤破溃,创面湿润,有脓性分泌物,护士仔细观察后认为是压疮溃疡期。
支持判断为溃疡期的典型表现是
A. 患者主诉骶尾部疼痛,麻木感
B. 骶尾部皮肤呈紫红色,皮下有硬结
C. 局部皮肤发红,水肿
D. 创面湿润,有脓性分泌物
E. 皮肤上有大小水疱,水疱破溃湿润
[单项选择]局域网指较小地域范围内的计算机网络,一般是一幢或几幢建筑物内的计算机互连成网。下面关于以太局域网的叙述中,错误的是【 】。
A. 它的地域范围有限
B. 它使用专用的通信线路,数据传输速率高
C. 它的通信延迟时间较短,可靠性较好
D. 它按点到点的方式(一个站向另一个站发送信息)进行数据通信
[判断题]液压推移装置是由泵站,液压千斤顶和高低软管路组成。
A.正确
B.错误
[单项选择]
For many people today, reading is no longer relaxation. To keep up their work they must read letters, reports, trade publications, interoffice communications, not to mention newspapers and magazines: a never ending flood of words. In (1) a job or advancing in one, the ability to read and comprehend (2) can mean the difference between success and failure. Yet the unfortunate fact is that most of us are (3) readers. Most of us develop poor reading (4) at an early age, and never get over them. The main deficiency (5) in the actual stuff of language itself—words. Taken individually, words have (6) meaning until they are strung together into phrases, sentences and paragraphs. (7) , however, the untrained reader does not read groups of words. He laboriously reads one word at a time, often regressing to (8) words or passages. Regression, the tendency to look back over (9) you have just read, is a common bad habit in reading. Another habit which (10) down the speed of reading is vo
A. some
B. a lot
C. little
D. dull
[单项选择]第二篇
Scientists Make Sweet Discovering
Good news for chocoholics: the treat preferred by millions all over the world is good for you, according to American researchers at the University of California. Chocolate contains substances called flavonoids that can help maintain a healthy heart and good circulation. The researchers have discovered that cocoa acts like aspirin and that eating a bar of chocolate has also been shown to release endorphins in the body: these chemicals help to reduce pain and stress and make you feel happy.
The Olmec Indians of Mexico and Central America were the first to grow cocoa beans, in about 1500 BC, and the Mayas ere drinking unsweetened coca hundreds of years before it became fashionable in Europe.
In 1544, a delegation of Mayan nobles visited Philip of Spain and gave him jars of cocoa as a gift. Cocoa soon became fashionable in Spain and Portugal. The Spanish were the first to add sugar to their cocoa drink.
By the middle of the century, solid chocol
A. Chocolate is good for health if it is eaten with added milk.
B. Chocolate is loved by millions of people worldwide.
C. Chocolate contains substances that make people feel happy.
D. Eating chocolate occasionally contributes to a healthy diet.
[单项选择]为确保监控保障工作的顺利实施,业务监控保障实施指导意见提出了若干要求,其中不包括()
A. 监控人员
B. 监控现场领导
C. 监控工作内容
D. 监控手段
[单选题] 颈内静脉穿刺置管时,通常选择右侧颈内静脉而非左侧,其原因与下列哪项无关 ( )
A. 右颈内静脉与无名静脉和上腔静脉几乎成一直线
B. 右侧胸膜顶低于左侧
C. 右侧无胸导管
D. 右侧颈内静脉容易暴露
[判断题]禁止通过屏蔽服断、接接地电流、空载线路和耦合电容器的电容电流。
A.正确
B.错误
[单选题]异氟烷的特点是
A.毒性大
B.代谢率高
C.无气道刺激性
D.升高颅内压明显
E.心血管安全性大
[多项选择]急性炎症的局部表现有()。
A. 红
B. 肿
C. 热
D. 病
E. 功能障碍
[判断题]化工生产中,所使用的原料多属于易燃、易爆、有腐蚀性的物质
A.正确
B.错误
[多选题]关于行政机关实施的下列行政强制措施,符合法律规定的有( )。
A.甲机关执法人员制作完现场笔录后,因当事人不会书写,故让其在笔录上盖章
B.乙机关在实施行政强制措施时派出了3名执法人员
C.丙机关执法人员在实施行政强制措施时未出示执法身份证件
D.丁机关执法人员在实施行政强制措施时未通知当事人到场
[多选题]叠加定理只适用于线性电路,并只限于计算线性电路中的(____)。
A.电流
B.电压
C.功率
D.电阻
[单选题]增压器工作一段时间后,出现固死或犯卡,主要原因应是( )造成。
A.间隙变小
B.无润滑油
C.积炭