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[多项选择]为了抓住“关键的少数”,在排列图上通常把累计比率分为三类,即( )。
A. 偶然因素
B. 主要因素
C. 次要因素
D. 必然因素
E. 一般因素

热门试题:

[多选题]关于在混凝土中掺入减水剂所起的作用,正确的是( )。
A. 若不减少拌合用水量,能显著提高拌合物的流动性。
B. 当减水而不减少水泥时,可提高混凝土强度。
C. 若减水的同时适当减少水泥用量,则可节约水泥。
D. 混凝土的耐久性得到显著改善。
E. 混凝土的安全性得到显著提高。
[单项选择]根据我国货币供给层次划分口径,属于M1的是()。
A. 定期存款
B. 活期存款
C. 储蓄存款
D. 住房公积金中心存款
[单项选择]下述哪种为免疫复合物型肾小球疾病()
A. 糖尿病肾病
B. 微小病变
C. IgA肾病
D. 急进性肾炎Ⅰ型
E. 肾淀粉样变
[单选题]语音交换有最好的容错性拓扑结构是()
A.星型
B.环型
C.混合型
D.树型
[判断题]电源内部的通路称为外电路。( )
A.正确
B.错误
[简答题]“语音祝福”点送服务内容是什么?
[单项选择]Be sure ______ the window open when you leave the room.
A. to not keep
B. not keeping
C. not to keep
[填空题]
Dogs Make Employees More Productive at Work

A. Leib Lurie never intended for his company, message delivery service One Call Now, to be pet-friendly. But his dog, Ivy, had other ideas. Five years ago, the German shepherd showed up unannounced at One Call Now’s Troy, Ohio-based office—a 1.5-mile trek from Lurie’s home. When he continued make the trip each day he wasn’t brought to the office. Lurie realised it was time for a change in company policy. Today, four or five employee’s dogs, as well as a variety offish, birds, and other caged animals join Ivy in the office daily to make One Call Now a workingman’s menagerie (动物园). "They are not very good at sending voice messages, " Lurie jokes of the pets in his office. "But we’ve gotten them down with using the computer, at least the point part. "
B. One Call Now joins a growing force of companies across the United States to welcome pets in the workplace. While only 17 percent
[单项选择]{{B}}Questions 11 to 18 are based on the conversation you have just heard.{{/B}}
A. A jigsaw.
B. Writing a letter.
C. Reading a newspaper or magazine.
D. Checking her email.
[单项选择]{{B}}TEXT D{{/B}}
With the films prevalent across the whole world, however, most critical plot points in Harry Potter and the Sorcerer’s Stone came from J. K. Rowling’s imagination. But Flamel and his powerful pebble were legendary long before Harry went to Hogwarts. The 14th-century alchemist created the philosopher’s stone (which was called "sorcerer’s stone" in US edition of Potter), with which he turned mercury to gold and gained eternal life altogether. But Flamel’s tale--like his stone and his science--was in fact no more than a magic.
The philosopher’s stone was the key to alchemy, the medieval predecessor to chemistry that aimed to cure all illnesses, make the elixir of life, and transmute base metals into gold. It may sound ridiculous. However, the last made perfect sense at the time. The Aristotelian theory of elements stated that a
A. Flamel’s wealth and his fame were exploited to promote alchemy.
B. Flamel’s made his fortune by deceiving all people including his wife.
C. Flamel pretended to be an alchemist and earned his living by that.
D. Flamel’s success in alchemy had much to do with his wealth.
[单选题]( )是行车设备施工、维修、处理故障和恢复销记时办理有关登记的原始记录,是车站、列车调度员确认设备使用条件的重要依据,同时也是加强行车设备养护,提高设备质量,明确划分责任,确保行车安全的一项重要内容
A.《行车设备维修登记簿》
B.《行车设备施工登记簿》
C.运统-46
D.《行车设备检查登记簿》
[判断题]尽管裁定解决的是诉讼程序的问题,但仍与判决一样必须以书面形式做出。 ( )
[单项选择]提示肺动脉高压的体征()。
A. 剑突下示心脏抬举样搏动
B. 肺动脉瓣区第二心音(P2)亢进
C. 颈静脉怒张
D. 双下肺湿性啰音
E. 心浊音界缩小或叩不出
[多选题]《联合收割机跨区作业证》由农业部统一印制,由省(区、市)( )部门加盖公章,一机一证,严禁涂改、复制、伪造和倒卖。
A.农机管理部门
B.公安交通管理部门
C.交通部门
D.工业和信息产业部
[单选题]正常情况下,在机体防御和抵抗病原菌侵袭过程中起主要作用的细胞是
A.中性粒细胞
B.淋巴细胞
C.红细胞
D.浆细胞
E.嗜酸性粒细胞
[判断题]开关柜检修时,开关柜无变形损坏、二次回路接线良好、各项指示正确、转动部位润滑均匀,螺栓紧固、带电回路接触紧密、无烧伤,表面清洁、无裂纹。
A.正确
B.错误
[判断题]项目需要按照公司下达的年度和季度施工计划,编制项目月或周、旬计划,确保满足上级和合同工期要求。
[单选题]接触网导线折断下垂搭在车辆上或其它物品与接触网接触时,作业人员不要进行处理,应保持( )m以上距离,同时对现场进行防护,并及时通知有关人员查处。
A.A、5
B.B、10
C.C、15
D.D、
[简答题]窑头温度高,窑尾温度低的原因是什么?怎样处理?
[判断题]产品洗钱风险评估根据各风险子项评分乘以相应权重汇总后得出分值。
A.正确
B.错误
[单项选择]

Children aged eight and older may start playing baseball, soccer and other sports. Ask your doctor which sports are right for his or her age. Be sure your child wears the protective equipment designed for that sport, such as shin pads, mouth guards, wrist guards, eye protection and helmets. Ask your child’s coach what is needed.
Remember that from the ages of one to four, your child can walk, run, climb, jump and explore everything. Because of all the new things he or she can do, this stage is a very dangerous time in your child’s life. It is your responsibility to protect your child from injury. Your child cannot understand danger or remember "no" while exploring.
At age five, your child is learning to do many things which can cause serious injury, such as riding a bicycle or crossing a street. Although children learn fast, they still cannot judge what is safe. You must protect your child by constantly reinforcing safety rules.
From
A. if it is alright for his age
B. if the sport is dangerous
C. if his height is suitable for it

[单项选择]下面哪项是应用喉罩的适应证()
A. 饱胃及未禁食的病人
B. 单肺通气
C. 长时间手术
D. 经纤支镜检查声带和气管
E. 气管受压
[填空题]肥肝性能好的鸭鹅品种有()。
[单选题]ST1-600型闸瓦间隙自动调整器性能试验时(全部装用新闸瓦),须将螺杆调至( )。
A.200~240mm
B.200~270mm
C.500~550mm
D.500~570mm
[判断题]弧焊时,电弧拉长,电弧电压降低;电弧缩短,电弧电压增加。
[判断题]( )导轨面直线度超差会使进给机构噪声加大。
A.正确
B.错误
[单选题]蜜丸的制备工艺流程为
A. 物料准备→制丸条→分粒及搓圆→整丸→质检→包装
B. 物料准备→制丸块→搓丸→干燥→整丸→质检→包装
C. 物料准备→制丸块→分粒→干燥→整丸→质检→包装
D. 物料准备→制丸块→制丸条→分粒及搓圆→干燥→整丸→质检→包装
E. 物料准备→制丸块→制丸条→分粒及搓圆→包装
[单选题]公安消防部队在灭火战斗中,应当按照(),集中兵力、准确迅速,攻防并举、固移结合的作战原则。
A.先重点、后一般
B.先控制、后消灭
C.先救人、后救物
D.先救人、后灭火
[单项选择]等量同种理想气体,从同一初始状态,分别经历等压、等体和绝热过程后,它们的内能增量相同,则在这三个过程中,气体的()。
A. 温度变化相同,吸热也相等
B. 温度变化不同,吸热也不等
C. 温度变化相同,吸热不相等
D. 温度变化不同,吸热相等
[多选题]工作中,遇()等情况威胁到工作人员的安全时,工作负责人或专责监护人应下令停止工作。
A.雷
B.雾霾
C.雨
D.闷热天气
E.大风
[单选题]煤的工业成分有
A. 水分
B. 挥发分
C. 固定碳和水分
D. .其他选项都对
[单选题]为了便于线框图的绘制和快速表现,弥补Photoshop多图层来回操作的烦恼,作为专业的矢量绘制软件,在H5设计上起到辅助作用的软件是( )
A.Illustrator(AI)和Sketch
B.After Effects和CINEM A 4D
C.Finalcut和Garage Band
D.Keynote和Hype
[单选题]对合同的内容当事人可自由协商,这体现了民法的(  )。
A.平等原则
B.私法自治原则
C.公平原则
D.诚实信用原则
[填空题]无缝线路混凝土枕地段,采用成套大型养路机械清筛,或成段边坡清筛,当预测施工轨温超过表4.1.3轨温条件时,清筛后应及时安排无缝线路 重新锁定。
[判断题]冻伤患者不得烤火或用雪搓擦。
A.正确
B.错误
[单项选择]井筒提升关系图属于()。
A. 基本矿图
B. 专门矿图
C. 地形图
D. 采掘工程平面图
[单项选择]不是输油泵因传感器误信号造成意外停运的有效方法的是()
A. 摘除联锁
B. 设置信号延时滤波
C. 更换性能好的传感器
D. 降低现场信号干扰源
[单选题]肝藏血与脾统血的共同生理功能是
A.贮藏血液
B.调节血量
C.统摄血液
D.防止出血
E.化生血液

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