热门试题:
[单选题] 对称三相电源三角形连接时,线电压为380.V,则相电压为()V。
A.140.
B.220.
C.311.
D.380.
[配伍题]男,70岁,轻度头晕2年,体检血压165/75mmHg,主动脉瓣听诊区第二心音稍亢进,主动脉瓣第一听诊区可闻及2/6级收缩期杂音,向颈部传导( )|男,65岁,因头晕、活动时心前区疼痛、夜间阵发性呼吸困难就诊。血压130/70mmHg,主动脉瓣区第二心音减弱,胸骨左缘第3肋间、胸骨右缘第2肋间可闻及3~4/6级收缩期杂音,向颈部传导( )|男,23岁,无不适,参加工作体检发现胸骨左缘3、4肋间4/6级收缩期杂音伴震颤( )|男,40岁,头晕伴黑矇3年。查体胸骨左缘第4肋间可闻及第4心音及4/6级收缩期杂音( )
A. 肥厚型心肌病
B. 退行性主动脉瓣狭窄
C. 先天性二尖瓣畸形
D. 风湿性心瓣膜病主动脉瓣狭窄
E. 室间隔缺损
[判断题]中小容量的高压电容器组普遍采用电流速断保护或延时电流速断保护作为相间短路保护。
A.正确
B.错误
[判断题]A-A-001513
压力降低有利于裂化反应的进行。
A.正确
B.错误
[多项选择]制酸制剂合理的服药时间是( )
A. 饭前半小时
B. 饭后半小时
C. 饭前2小时
D. 疼痛发作时
E. 疼痛发作前半小时
[单选题]简单普通的外包型物流运作模式是第三方物流企业( )一家或多家生产商或经销商的部分或全部物流业务,定单由产销双方完成,第三方物流只完成承包服务,不介入企业的生产和销售计划。
A.共同承包
B.个体
C.独立承包
D.多家共同承包
[单选题]
" 计数肋⻣的⃞要标志是 ( )
A.锁⻣
B.胸⻣⻆
C.肋脊⻆
D.腹上⻆
E.肩胛下⻆
[单项选择]
某市2009年全年完成农业总产值434.00亿元,比上年增长7.0%。实现农业增加值204.73亿元,增长7.0%。
农作物播种面积1107.70千公顷(1661.55万亩),增长3.6%。其中,粮食作物种植面积307.09千公顷(460.64.万亩),增长35.9%;棉花种植面积487.85千公顷(731.78万亩),下降13.4%;油料种植面积68.72千公顷(103.08万亩),下降4.5%;甜菜种植面积20.30千公顷(30.45万亩),下降16.9%;蔬菜种植面积(含菜用瓜)73.84千公顷(110.76万亩),增长31.2%。
农作物精量半精量播种面积759.80千公顷(1139.70万亩),比上年下降3.8%,其中棉花精量播种面积386.45千公顷(579.68万亩),下降25.7%。棉花机械采收面积115.67千公顷(173.51万亩),测土配方施肥面积675.47千公顷(1013.21万亩)。
有效灌溉面积1093.99千公顷(1640.98万亩)。高新节水灌溉面积652.92千公顷(979.39万亩),其中当年新增46.28千公顷(69.42万亩)。
全年棉花产量113.43万吨,比上年下降13.6%;粮食产量211.73万吨,增长48.8%;油料产量18.63万吨,增长10.1%;甜菜产量145.33万吨,下降8.1%。
年末牲畜存栏586.19万头(只),比上年增长9.3%。主要农、畜产品产量保持增长。
全年水产品产量2.36万吨,比上年增长5.2%。
全年人工造林作业面积17.35千公顷(26.02万亩),无林地和疏林地新封面积5.13千公顷(7.70万亩)。
全年农业机械总动力338.56万千瓦,比上年增长6.4%。
年末拥有水库125座,总库容32.87亿立方米。机电井14629眼,提水量21.47亿立方米。修建水闸114座,堤防建设长度2442.61千米。水利工程供水量115.13亿立方米。
以下说法错误的是()。
A. 2009年油料种植面积大于甜菜种植面积的3倍
B. 与上年相比,2009年油料种植面积和产量均有所下降
C. 2009年高新节水灌溉面积占有效灌溉面积的一半以上
D. 2008年年末牲畜存栏536.3万头(只)
[单项选择]明清时期的中央司法机关“三法司”是指( )。
A. 大理寺、刑部、都察院
B. 刑部、大理寺、御史台
C. 廷尉、御史台、尚书台
D. 刑部、廷尉、御史台
[单项选择]They have ______ the dance many times for the better effect before they perform in the theatre.
A. overtaken
B. interchanged
C. entreated
D. rehearsed
[简答题]简述我国养老保险制度的实施面临的突出难题和问题
[单选题]根据《建设项目安全设施“三同时”监督管理
办法》,施工单位对危险性较大的分部分项工
程依法编制专项施工方案,并附具安全验算结
果,经()签字后实施。
A. 施工单位负责人、总监理工
程师
B.施工单位负责人、建设单
位负责人
C.施工单位技术负责人、建设单
位技术负责人
D.施工单位技术负责人、总
监理工程师
[多选题](JLY-CC04)标准量器的示值是指标准参比条件下的( ),标准参比条件为( )。
A.容积值
B.体积值
C.温度为20℃,压力为101.325KPa
D.温度为20℃
E.温度为2℃
[填空题]While popular in the U. S. , the April Fool’s Day tradition is even more prevalent (流行的) in European countries, such as France and Great Britain. Although the roots of the traditional tricking are unclear, the French and the British both have (47) on the origin of the celebration.
The English story about the day holds that it began sometime during the 1200s. At the time, King John of England was in the habit of making a road out of nearby every path he walked (48) The citizens of one particular farm village were (49) of this. To avoid having their green meadows and pastures (50) with one of the king’s roads, they built a fence that prevented the king from walking through their countryside. The king sent a group of messengers to (51) the villagers that they must remove the (52) Upon hearing that the king was planning to do this, however, the villagers (53) a plan of their own. When the messengers arrived, they found w
[判断题]真理和价值在实践和认识活动中是相互制约、相互引导、相互促进的。
A.正确
B.错误
[判断题]食品原料、食品添加剂、食品相关产品进货查验记录应当真实,保存期限不得少于三年。
[单项选择]半合成青霉素中属于耐酸、耐酶、广谱的是()
A. 青霉素V
B. 苯唑西林
C. 阿莫西林
D. 羧苄西林
E. 哌拉西林
[填空题]It may seem odd but ice itself sometimes (11) ! Some growers actually spray their crops with water on a freezing night. Water freezes quickly on the plant and then (12) . As long as ice stays wet, it can’t (13) 32 degrees, a temperature many plant can stand. If the ice ever became entirely frozen and dry, it might drop many degrees lower, ruining the plants. But by continually spraying water on the ice, the growers keep it from going below 32 degrees (14) . This may frustrate Jack Frost, but it saves the plants. This strange kind of "ice blanket" works only on plants that are (15) of frozen spray.
[单选题]泵送混凝土宜采用( )。
A.粗砂
B.中砂
C.细砂
D.特细砂
[判断题]发生生产安全事故,为一般事故的,处十万元以上二十万元以下的罚款。
A.正确
B.错误
[单选题]()指不参加铁路营业运输的部属货车(包括租出空车)和在有专用线、专用铁道企业内的已“过轨运输许可证”的该企业自备货车、军方特殊用途空车以及因为特殊用途需要专门制造不能装运货物的部属特种用途车(包括试验车、发电车、轨道检查车、检衡车、除雪车等)。
A.A.非运用车
B.B.备用车
C.C.客车
D.D.货车
[单选题]书面调车作业计划的符号中[)]表示( )。
A.单组溜放
B.多组溜放
C.连续溜放
D.驼峰解散
[判断题]事故紧急抢修工作,指电气设备发生故障被迫紧急停止运行,需按计划恢复的抢修和排除故障的工作。
A.正确
B.错误
[单选题]智能变电站中非电量保护的跳闸方式是()
A.现场的气体继电器的出口通过电缆直接作用于开关智能终端的跳闸输入
B.现场的非电量保护通过电缆直接作用于开关智能终端的跳闸输入
C.现场的非电量保护通过GOOSE跳闸命令作用于开关智能终端
D.现场的非电量保护同时通过电缆和GOOSE跳闸命令作用于开关智能终端,保证可靠跳闸
[单项选择]Which would you rather be, a mathematician or an author Perhaps you will never be faced with this kind of choice. Lewis Carroll was both a mathematician and an author. He was a lecturer in mathematics at Oxford University. But he is better known as the author of two of the most famous children’s books that have ever been written (Alice in Wonderland and Through the Looking Glass. The author’s real name was Charles Lutwidge Dodgson, but he preferred to use the penname "Lewis Carroll" when he wrote, and this is the name we remember him by. Alice in Wonderland was published in 1865, when the author was 33 years old; it was followed by Through the Looking Glass in 1871. Both books were written for a real girl called Alice and they have been read by millions of children since they were first published. These stories are about a dream world in which Alice meets strange creatures and has interesting adventures. I’m sure you know this already, but if you don’t you’d better read the stories you
A. Alice
B. Lewis Garroll
C. Charles Carroll
D. Charles Lutwidge Dodgson
[多选题]行灯的电压不能超过( )伏,在金属容器及潮湿场所电压不能超过 ( )伏
A.36
B.24
C.12
D.6
[判断题]分队的队形分为横队、纵队和二路纵队( )
A.正确
B.错误
[单项选择]男,50岁,2个月前因胃癌手术,术中输血800ml,术后40天起乏力,食欲减退,查肝功能ALT180U,AST166U,SB160tμmol/L,血抗HBs(+)。为做病原学诊断应重点查()。
A. 乙肝病毒标记物
B. HAV-IgM
C. HDAg
D. 抗HEV-IgM
E. 抗HCV抗体及HCV-RNA
[单选题]甲企业以房产进行投资联营,共担风险,并参与被投资企业的利润分红,则房产税的计税依据为( )。
A.A.取得的分红
B.B.房产市值
C.C.房产原值
D.D.房产余值
[判断题]电客列车司机以BM模式驾驶列车在正线运行时,信号机显示红灯+黄灯,司机呼唤标准为红黄灯好。
A.正确
B.错误
[单项选择]为排挤竞争对手,某商店在销售中向购买电冰箱的顾客赠送一套餐具。对此,下列说法正确的是哪项( )。
A. 如果电冰箱的价格减去餐具的价值小于电冰箱的成本价则商店构成不正当竞争
B. 商店的行为构成违法搭售的不正当竞争
C. 如果赠送餐具违背顾客意愿则构成不正当竞争,否则不构成
D. 如果餐具质量不合格则构成不正当竞争,否则不构成
[判断题]调车作业需原路返回时值班员应与调车员共同商量原路返作业办法,准备进路时须将进路上的有关道岔单独锁闭。( )
A.正确
B.错误
[单项选择]车床回转刀架转动在主平面内的重复度在距回转刀架或刀夹端面()处的测量值允差为0.005mm。
A. 50mm
B. 100mm
C. 150mm
D. 200mm
[判断题]某公司董事长及总经理组织职工对前来征税的税务工作人员使用暴力,拒不缴纳税款,此行为以单位犯罪论处。
A.正确
B.错误