热门试题:
[多选题]根据《中华人民共和国水法》 , 水资源规划按层次分为( )规划。
A.综合
B.专业
C.流域
D.区域
E.全国战略
[多选题]旋转容积式气体流量计主要由()组成。
A.积算单元
B.流量计表体
C.旋转元件
D.电子显示装置
[单项选择]统筹安排其他农用地的措施不包括( )。
A. 提高园地利用效益
B. 严格保护林地
C. 推进牧草地综合整治
D. 积极开展工矿废弃地复垦
[单项选择]大鼠的正确抓法是()
A. 左手拇、示指插入大鼠腋下,固定于右手掌间
B. 右手抓住头部,固定于左手掌间
C. 左手抓住头部,固定于左手掌间
D. 左手拇、示指插入大鼠腋下,固定于左手掌间
E. 右手拇、示指插入大鼠腋下,固定于左手掌间
[单选题]()是本单位安全生产第一责任人,对本单位的安全生产工作全面负责。其他负责人对职责范围内的安全生产工作负责。
A.生产经营单位的主要负责人
B.安全负责人
C.总工程师
D.安全矿长
[单选题]以下电能表安装场所及要求不对的是( )。
A.电能表安装在开关柜上时,高度为0.4~0.7m
B.电能表安装垂直,倾斜度不超过1°
C.不允许安装在有磁场影响及多灰尘的场所
D.装表地点与加热孔距离不得少于0.5m
[多项选择]下列财务效益预测与评估的指标中,考虑了资金的时间价值的有()。
A. 投资利润率
B. 净现值
C. 贷款偿还期
D. 财务内部收益率
[单选题]在设计锁定轨温范围内铺设时,施工锁定轨温取轨条始端入槽和终端入槽时轨温的( )。
A.之和
B.平均值
C.较大值
D.较小值
[判断题]公安派出所可以裁决警告、50元以上罚款。 ( )
[单选题] 单选 原料油缓冲罐液位指示失灵,判断其液位是否稳定,下列说法正确的是。
A.反应进料泵出口压力稳定
B.原料油缓冲罐压控调节器输出信号稳定
C.反应进料泵出口流量稳定
[单选题](低)"救援列车车次号( )。
A.901~909
B.091~099
C.671~689
D.001~059
[简答题]节点①中防火封堵材料厚度最少应为:( )
A.50
B.80
C.100
D.120
[单选题]燃烧的基本条件是( )。
A.可燃物质空气温度
B.可燃物质空气时间
C.煤柴油空气
[单选题]通过道口车辆上部或其货物装载高度(从地面算起)超过()m通过电气化铁路平交道口时,车辆上部及装载货物上严禁坐人。
A.1
B.1.5
C.2
D.2.5
[单选题]塔机滑轮槽底的磨损量超过相应钢丝绳直径的()时,应予以报废。
A.25%
B.15%
C.20%
D.50%
[判断题]进入煤粉仓、引水洞等相对受限场所以及地下厂房等空气流动性较差的场所作业,必须事先进行通风,并测量氧气含量、一氧化碳、可燃气等气体含量,确认不会发生缺氧、中毒方可开始作业。
A.正确
B.错误
[多选题]关于腹膜的描述,正确的是
A.为薄而光滑的浆膜
B.分壁层和脏层
C.腹盆腔内各脏器的表面几乎均被腹膜覆盖
D.具有分泌和吸收功能
[单项选择]男,17岁。1小时前被刺伤左胸,急诊测血压80/50mmHg(10.7/6.7kPa),心率120次/分,伤口不断有血液流出,快速输入血浆代用品及血液制品1000ml后,血压未见改善。积极的抢救措施应该是()
A. 内科医生会诊,纠正休克
B. 心电图检查,排除心脏疾患
C. 缝合伤口,加压包扎
D. 继续输血补液,立即准备开胸探查止血
[判断题]未听清客户电话内容时应说“对不起,你说得太不清楚了,请您再重复一次。”()
A.正确
B.错误
[单项选择]Finally, good news on the obesity epidemic (流行): Though their parents and older siblings are just as overweight as ever, little kids around the country are considerably slimming down.
Obesity in children aged 2-5 has declined 43% in the last decade, according to Centers for Disease Control (CDC) data recently released in the Journal of the American Medical Association. Nearly 14% of young ones were considered obese in 2004 compared to a little over 8% in 2012. While this is undoubtedly a move in the right direction, obesity rates for older children and adults remain stalled (停滞).
The reason behind the drop isn’t clear, but several moves have been made in the last decade to combat the country’s growing weight, and many of the initiatives have focused on our youngest citizens.
CDC Director Tom Frieden says he’s seen "signs from communities around the country with obesity prevention programs including Anchorage, Alaska, Philadelphia, New York City, and King County, Washingt
A. Previous news on the obesity epidemic has been disappointing.
B. Researchers have just found a solution to the obesity epidemic.
C. New research on the obesity epidemic has come to an end.
D. Federal nutrition programs have yielded expected results.
[单选题]患儿,女,3岁。口中涎水不断,大便不成形,舌苔水滑,用药应首选的药物是( )
A.佩兰
B.苍术
C.益智仁
D.补骨脂
E.山萸肉
[填空题]气管管壁分为三层,分别是黏膜、黏膜下层和()。
[多项选择]急性毒性试验应注意( )
A. 实验动物的选择
B. 剂量的选择
C. 染毒途径的选择
D. 观察周期和观察指标
[判断题](45000)( )机械清筛,在封锁施工前vmax≤45km/h的慢行时间内,允许移动相邻两根轨枕扩大间距,将道床挖至清筛深度,并使清筛机底梁导槽处钢轨支垫牢固。( )(1.0分)
A.正确
B.错误
[单选题]两台桥机并车起吊转子,( ),现场总指挥应将转子起吊工艺、安全措施进行全面交底,并进行人员分工。
A.A.起吊中
B.B.检修前
C.C.起吊前
D.D.起吊后
[判断题]起重机司机必须短时间离开起重机时,应将各手柄置于中立位,单阀制动。
A.正确
B.错误
[单选题]17.胆囊癌的描述,下列不正确的是
A.主要转移方式是血行转移
B.病理组织大多是腺癌
C.先天性胆管扩张症发生癌变机会较高
D.上段胆管癌比下段发病率高
E.局限性生长较多
[单项选择]用环氧乙烷消毒灭菌时,操作错误的是()
A. 环氧乙烷应放在阴凉通风,无火源及明火处
B. 环氧乙烷可用于乙肝患者污染的光学仪器的消毒灭菌
C. 储存温度应低于40℃
D. 环氧乙烷可用于化纤织物的消毒灭菌
E. 灭菌后的物品可直接使用
[单选题]火灾探测器宜水平安装,当倾斜安装时,倾斜角不应大于( )。 [ 中]
A. 15°
B. 30°
C. 45°
D. 60°
[单选题]接触传播的隔离标识颜色为( )
A. 红色
B. 蓝色
C. 咖色
D.粉色
[单项选择]
Britain’s undeclared general election campaign has already seen the politicians trading numbers as boxers trade punches. There is nothing new in such statistical slanging matches(相互谩骂)What is new is an underestimation of worry about what has been happening to official statistics under the Labour government.
One of the most important figures for Gordon Brown when presenting his pre-election budget on March 16th was the current-budget balance. This is the gap between current revenues and current spending. It matters to the chancellor of the exchequer(财政部长) because he is committed to meeting his own "golden rule" of borrowing only to invest, so he has to ensure that the current budget is in balance or surplus over the economic cycle.
Mr. Brown told MPs that he would meet the golden rule for the current cycle with £ 6 billion ($11.4 billion) to spare—a respectable-sounding margin, though much less than in the past. However, the margin would have
A. whether he can deliver what he has promised
B. whether the budget is realistic over the economic cycle
C. whether his government wins the next election
D. whether the golden rule is a sound theory
[判断题] 按80%核收运费的路用车的装车,不按装车数统计。
A.正确
B.错误
[填空题]《铁路旅客运输规程》(铁运〔1997〕101号)规定,旅客要求退票时,应当在票面指定的开车时间前到车站办理,退还全部票价。特殊情况经<--NRC-->站长同意的,可在开车后2小时内办理。
[多项选择]公安工作群众路线包括在公安工作上服务群众、宣传群众、组织群众、依靠群众、保护群众的( )。
A. 理论
B. 原则
C. 方法
D. 制度
[填空题]零售商开展促销活动,不得降低促销商品( )的质量和( )服务水平,不得将质量不合格的物品作为奖品、赠品。
[判断题]《吕氏春秋.本味篇》是历史上最早记载的第一篇烹调理论专著,出现在春秋时期。
A.正确
B.错误
[多选题]限制ECMO成功率的重要因素是
A.溶血
B.感染
C.出血
D.栓塞
E.以上都不是