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[单项选择]与前置胎盘的病因无关的是
A. 子宫内膜炎
B. 子痫前期
C. 多胎
D. 受精卵滋养层发育迟缓
E. 副胎盘

热门试题:

[多选题]在调阅会计档案时,查阅人员对所需的证据或有关材料,可以( )。
A.抄录
B.照相
C.复印或复制
D.借出
[单项选择]某企业就自身的100万财产分别向甲乙两个保险公司投保90万元和60万元的企业财产保险。在保险期间发生火灾,该企业损失50万元。按照我国保险法的规定,甲公司应该承但的赔款是()
A. 50万元
B. 45万元
C. 30万元
D. 20万元
[单选题]道岔动作电路中,当联锁驱动YCJ、DCJ或FCJ吸起后,如果道岔空转不到位,()秒钟后,联锁重新驱动继电器落下。
A.3
B.15
C.30
D.60
[单选题]专家管理系统支持对(____)回传,实现对各类专家的动态管理。
A.专家任务的综合评价信息
B.专家个人信息
C.专家考勤信息
D.专家评分
[判断题]我国润滑油的牌号SF是指汽油机油。
[简答题]何为CHUR、DM岩浆库,其现在组成Sm-Nd同位素组成是什么?
[判断题]操作票中的接地线应写明验电及装拆接地线(短路线)的地点,并注明地线编号。()
[单选题]The colourful chalkboards and baskets of fruit that greet customers at the entrances of Whole Foods Market's shops paint a rosy picture.Yet shares in the American seller of organic and natural food have fallen by more than 40%since hitting a peak last October,in a period when stock markets have been strong. It is not that the retailer is in immediate crisis:its latest quarterly figures,on July 30th heowed sales and profits both up a bit.And it is not that people are going off the idea of paying more for food produced without chemical fertilisers,pesticides or additives:the International Federation of Organic Agriculture Movements reckons that the industry's worldwide revenues were a record of 63 billion in 2012;and Techsci Research,a market-research firm,predicts that the American market for such foods-the worlds largest-may grow by 14%by 2018. The problem is that at Whole Foods,shoppers have been paying way over the cost of regular produce,and its success in getting them to do so has now attracted a lot of competitors,from rival organics chains like Sprouts and Trader Joe's to mass-market retailers like Walmart and Costco.As a result,the price premium for organic produce is crashing down.On a recent shopping trip,a pound of organic apples cost 2.99 at Whole Foods but just 1.99 at Sprouts and even less at Costco. The firm has been trimming costs to keep its margins up,but the slump in its share price reflects investors expectation that this cannot continue,that profits will suffer and that Whole Foods'dominance of the market is coming to an end. That the company has had to recall a number of products—in late July it and other grocers recalled plums and peaches suspected of contamination with Listeria bacteria—has made it harder to maintain an air of superiority over its competitors.Organic foods'claim to superiority is questionable anyway.Both Britain's Food Standards Agency and the Annals of Internal Medicine,a journal,concluded after reviewing the extensive studies on the issue that there is no substantial difference in the nutritiousness of organics and non-organics.In some respects organics may be bad for the environment,because growing them uses land less efficiently than non-organics. As for“natural”foods,there is no official definition of this,inAmericaat least;so the label,which Whole Foods also applies to many products,is close to meaningless.Alan McHughen,a botanist at the University of California,Riverside,argues that the whole industry is"99%marketing and public perception,"reeling people in through a fabricated concept of a time when food,and life in general,was simple and wholesome. If true,the trick has worked nicely for Whole Foods.But its success has attracted so many imitators that it is losing its uniqueness Even recent speculation about a takeover bid has failed to lift its shares.It may insist its food is sustainable But it seems its prices are not.下列哪一选项与划线部分所表达意思相同
A.Crisis Seems Far
B.The Firm Is at Risk
C.More Rivals Join In
D.Natural Foods Are Unreal
E.Stop Buying Organic Foods
F.The Recall Makes Things Worse
G.Traditional Foods Face Challenge
[判断题]中暑一定是在阳光下、室外环境中,在家中是不会中暑的
A.正确
B.错误
[单选题]五层八类”终端的选点标准:经营能力方面,加盟店需()档及以上档位,三星现代终端()档及以上,二星终端()档及以上,在原终端层级三个月以上。
A.22 13 10
B.22 20 17
C.23 13 10
D.28 15 17
[单选题]继电保护装置的配置和选型,必须满足有关规程规定的要求,并经相关继电保护( )部门同意。
A.管理
B.运维检修
C.基建调试
D.规划设计
[判断题]线路vmax>160km/h的区段,巡道、巡守人员应在路肩上行走,并注意察看线路状态。
A.正确
B.错误
[单选题]政府机构改革要克服多头管理、政出多门的弊端,必须贯彻()。
A.精简原则
B.权责一致原则
C.依法行政原则
D.效能原则
[多项选择]我国愿意同国际社会一道,为推动世界实现()而不懈努力。
A. 和谐发展
B. 绿色发展
C. 清洁发展
D. 可持续发展
[单选题]在营销组合中,最基本的工具是( )。
A.产品
B.价格
C.渠道
D.促销
[单项选择]10个月男婴,面色苍白2个月,母乳喂养,未断奶,间加辅食,平时易感冒,浅表淋巴结不大,心尖收缩期Ⅱ级杂音,肺(-),肝、脾肋下未及。外周血RBC3.8×1012/L,Hb88g/L,MCV78fl,MCH26pg,MCHC0.31,进一步检查应选()
A. 血清铁
B. 血清铁蛋白
C. 维生素B测定
D. 叶酸测定
E. 血红蛋白电泳
[多选题]王某因怀疑自家的鸡被邻居周某等人偷吃,与周某发生口角。争吵中,王某趁周某不注意,随手从地上捡起一块砖头朝周某头上砸去,造成周某头破血流,经鉴定为轻微伤。民警遂将王某传唤到当地公安派出所接受询问。王某正在被询问时,突然语无伦次,两眼发呆,精神恍惚。经鉴定,王某患了精神分裂症。经查,王某家族有精神病史,其本人一直精神正常,此次系因受刺激而发病。下列说法错误的有()。
A.王某虽然在被询问时突发精神病,但其在实施殴打周某的行为时,尚处精神正常期,具备完全的控制和辨认能力,属完全行为能力人,依照《治安管理处罚法》的规定,应予以处罚
B.王某经鉴定为精神病发作,应当视为免责情形
C.对王某应当从轻处罚或减轻处罚
D.鉴于王某精神病发作,因此对其可以作出行政拘留处罚决定但是不予执行
[单选题]道岔转换设备的各种杆件及导管等螺纹部分的内、外调整余量不应小于( )mm。表示杆的销孔旷量应不大于0.5mm;其余部位的销孔旷量应不大于1mm。【《普速铁路信号维护规则》技术标准第16页3.1.5】
A.5
B.6
C.10
D.15
[单选题]护轨平直部分轮缘槽标准宽度为42mm。侧向轨距为1441mm时,侧向轮缘槽标准宽度为48mm,容许误差为()mm。《修规》第3.9.4条
A.(+3,-1)
B.(+3,-3)
C.(+4,-2)
D.(+1,-1)
[多选题]下列行为不属于正当防卫的是( )。
A.张某持刀抢劫赵某钱包后逃跑,赵某第二天发现张某,遂将其打伤
B.刘某遇到仇人王某追杀,慌不择路,将路人许某推向王某,导致许某被王某砍伤
C.周某看见吴某正在持刀对郑某行凶,遂捡起砖头将吴某打成轻伤
D.甲发现乙正在生产伪劣产品,而将乙打成轻伤,造成乙无法生产伪劣产品
[单选题]【专业知识】下降管应不受热。( )
A.正确
B.错误 
[单选题] 糖尿病肾病病理改变的类型中哪一种最常见,对肾功能影响最大?
A.结节性肾小球硬化型;
B.弥漫性肾小球硬化型;
C.渗出性病变 ;
D.局灶节段性肾小球硬化;
E.;
[单选题]企业运用_________策略能够避免负面株连效应
A.驰名商标
B.统一品牌
C.品牌注册
D.多品牌
[简答题]不同类型的光伏电站对防孤岛保护分别是怎样要求的?\(《光伏电站接入电网技术规定》\(Q/GDW 617-2011))
[单选题]鸡群中如发现雏鸡生长缓慢,1-2周后不能走路或走路是以飞节着地,足趾向内弯曲等典型病状,这似乎象某种维生素缺乏症,可试在饲料中添加( )以观察病情变化。
A.维生素D
B.鱼肝油
C.维生素B2
D.维生素E
[判断题]使用钻床时,尽量少用手直接清除铁屑。
A.正确
B.错误
[判断题]在三相四线制不对称的电路中,一相负荷短路或断开,另两相负荷仍能工作。 ( )
A.正确
B.错误
[单选题]过硬的战斗作风,源于政治坚定和思想自觉。要把()作为培养战斗作风的中心环节。( )
A.战斗使命的继承
B.思想政治保障
C.思想政治教育
D.战斗使命的教育
[单选题]法兰连接螺栓紧固时应均匀受力且对称循环进行。法兰盘应平整、贴合密实,法兰盘接触面贴合率不小于( ),最大间隙不大于( )。
A.80%,2.5mm
B.75%,2mm
C.90%,2mm
D.60%,3mm
[单项选择]

患者男性,45岁,体重65kg。因结肠癌手术后发生肠瘘3月余,主诉乏力、食欲减退、恶心呕吐。体格检查:明显消瘦、精神萎靡、反应迟钝、腹胀,肠鸣音减弱,腱反射消失。

应该给予补充的液体是( )
A. 5%葡萄糖溶液
B. 5%碳酸氢钠
C. 平衡盐溶液
D. 10%葡萄糖酸钙
E. 10%氯化钾加入晶体液中
[单选题]钢丝绳端部用绳卡固接时,固接强度不应小于钢丝绳的破断拉力的( )。《塔式起重机安全技术规程》GB5144一2006 5.2.3
A.90%
B.85%
C.80%
D.75%
[单项选择]心理过程指的是以下哪个过程()
A. 感觉、知觉、记忆、理想、思维、情感意志等
B. 感觉、知觉、记忆、想象、思维、情感意志等
C. 感觉、知觉、记忆、想象、能力、情感意志等
D. 感觉、知觉、动机、想象、思维、情感意志等
E. 记忆、想象、兴趣、能力、思维、情感意志等
[单项选择]一切人员、车辆在通过铁路道口时,必须执行()的规定。
A. 快速通过
B. 边走边看
C. 禁止通行
D. 一停、二看、三通过
[多选题]多选题:科学技术在社会发展中的作用主要体现在(.)
A.对生产方式产生了深刻影响
B.对生活方式产生了巨大影响
C.促进了思维方式的变革
D.促进了社会的进步
[单选题] 新建线路选择路径时必须避开运行单位提供的微气象区
A. 对
B. 错
[填空题]高压设备发生接地时,室内不得接近故障点( )米以内,室外不得接近故障点( )米以内,进入上述范围人员应穿( ),接触设备的外壳和架构时,应戴( )。

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