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[简答题]承包方自行将专业工程分包,可否增收管理费?

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[判断题]光纤通信系统,主要有发送设备、接受设备、传输光缆三部分组成
A.正确
B.错误
[单项选择]

J商城与G电视台于12月22日签订战略合作协议,双方宣布共同打造一个全民可参与的交互式运营品牌——“1月1电商节”,以“互联网+农业”为主线,建设农村电子商务综合服务平台。越来越多的农村选择电子商务,理由是()
①提供安全、绿色、优质农产品,提高农产品价格
②降低农产品生产成本,增加农民收入
③直接改变了农副产品的销售渠道,使得农民由被动走向了主动
④缓解农产品滞销的问题,解决传统农产品流通难题


A. ①②
B. ①④
C. ②③
D. ③④
[判断题]2.253. 计算统计线损率的两个量是供电量和售电量。
A.正确
B.错误
[判断题]在交叉渡线的一组道岔上施工,一端在菱形中轴相对处线路中心,另一端在距离施工地点不少于50m处线路中心,分别设置移动停车信号,将有关道岔扳向不能通往施工地点的位置,并加锁或钉固。
A.正确
B.错误
[单项选择] Bird Flu: Communicating the Risk The recommendations listed below are grounded in two convictions(信念): that motivating people to start taking bird flu seriously should be a top priority for government health departments, and that risk communication principles provide the best guidance on how to do so. Start where your audience starts. Telling people who believe X that they ought to believe Y naturally provokes resistance. You can’’t ignore X and just say YY-Y-Y-Y. You can’’t simply tell people they’’re wrong. You’’ve got to start where they are, with X, and empathically explain why X seems logical, why it’’s widely believed, why you used to believe it too...and why, surprisingly, Y turns out to be closer to the truth. The biggest barrier to sounding the alarm about bird flu is that it’’s flu usually seen as a ho-hum(漠不关心的) disease. It would help if people stopped calling every minor respiratory infection "a touch of the flu" but that’’s n
A. Y
B. N
C. NG
[多选题]降低苯塔塔顶出料中的乙苯浓度的方法是( )。
A.提高灵敏板的温度
B.增加回流量
C.降低灵敏板的温度
D.减少回流量
[单选题]_____是早期青年运动主旋律。( )
A.爱国救亡
B.救国济世
C.革命排满
D.追求真理
[判断题]风险发生的次要环节、发生非关键性风险、承担协同或配合职能的相关人员为次要责任人,承担次要责任。
A.正确
B.错误
[单选题]建设行政主管部或者其他有关部门可以将施工现场的监督检查委托给( )具体实施。
A.建设单位
B.建设工程安全监督机构
C.工程监理单位
D.施工总承包单位
[判断题]工作中若有特殊情况,工作许可人可变更运行接线方式和安全措施,变更后需告知工作负责人。
A.正确
B.错误
[单选题]配电设备操作后无法看到设备实际位置时,应通过间接方法来判断设备位置。判断时,至少应有两个非同样原理或非同源的指示发生对应变化,且所有这些确定的指示均已同时发生对应变化,方可确认该设备已操作到位。
A.正确
B.错误
C.略
D.略
E.略
F.略
[填空题]Can time travel really be done Physicists think that travel into future is possible. Einstein’s special theory of (26) , published in 1905, predicted that time should be elastic (弹性的), (27) as an observer moves. To get a really big time leap it is necessary to travel at near the speed of light—300,000 km per second. At 99% of this speed, (28) a distant star and back would take 15 months, but travelers would return home to find that nearly nine years had passed on Earth. (29) , you would have leapt several years into Earth’s future.
Gravity offers another way to slow time. On the Earth’s (30) , clocks tick a little slower than on the moon, for example. Near a black hole, gravity is so (31) that time is slowed to a crawl relative to us. These facts are accepted by almost all scientists. Traveling forwards in time has been (32) convincingly in experiments, but the possibility of traveling backwards in time i
[单选题]万用表由表头、()及转换开关三个主要部分组成。
A.测量电路
B.线圈
C.指针
[单项选择]
In this section there are four reading passages followed by a total of 20 multiple-choice questions. Read the passages and then mark your answers on your answer sheet.
{{B}}TEXT A{{/B}}

A full moon was shining down on the jungle. Accompanied only by an Indian guide, the American explorer and archaeologist Edward Herbert Thompson—thirteen hundred years after the Mayas had left their cities and made a break for the country farther north—was riding through the New Empire that they had built for themselves, which had collapsed after the arrival of the Spaniards. He was searching for Chichen Itza, the largest, most beautiful, mightiest, and most splendid of all Mayan cities. Horses and men had been suffering intense hardships on the trail. Thompson’s head sagged on his breast from fatigue, and eac
A. controlled and reformed
B. conquered and abandoned
C. occupied and developed
D. defeated and destroyed
[简答题]达尔文的哪部著作详细阐述了人类是从猿类进化而来的?
[多项选择]有关咖啡因的描述,正确的是
A. 小剂量兴奋大脑皮质
B. 刺激胃酸和胃蛋白酶分泌的作用
C. 能拮抗体内腺苷受体
D. 治疗中枢抑制状态
E. 能扩张脑血管
[多项选择]依据《合同法》规定,( )的合同属于无效合同。
A. 恶意串通损害第三人利益
B. 以欺诈手段,使对方违背真实意思情况下订立
C. 订立合同时显失公平
D. 以合法形式掩盖非法目的
E. 损害公共利益订立
[简答题]何为轴向和径向反应器?各有什么优缺点?
[判断题]( )微机电缆绝缘的测试可以用兆欧表直接测量。
A.正确
B.错误
[单项选择]高速水泵允许的剩余不平衡不应大于()克。
A. 1~5
B. 20~30
C. 10~20
D. 6~10
[单选题]属于低水平消毒剂的是 ( ) ? ( 1.0 分)
A.戊二醛
B.过氧乙酸
C.聚维碘酮
D.洗必泰
E.异丙醇
[判断题]在坡屋面上行走时,要面向屋脊或斜向屋脊防止滑倒。 ( )
A.正确
B.错误
[单项选择]Neither Luis nor his parents ______ the least bit interested in keeping in touch with Tom.
A. are
B. is
C. will
D. was
[判断题]( ) (JLY-DA03)无论整个物体或物体的局部,其三投影不一定都符合“长平齐,高对正,宽相等”的规律。
A.正确
B.错误
[单选题]炼油装置加热炉根据燃料种类、火嘴形式及炉型的不同,其a值约在()范围内。
A.A.0.8~1.0
B.B. 1.05~1.35
C.C.1.2~1.35
D.D.1.5~1.75
[填空题]A new set of brain images shows: Reading the Roman alphabets and Chinese characters uses different parts of the brain.
The results also suggest that Chinese schoolchildren have reading problems in a different part of the brain used in reading alphabet-based languages. This shows that the learning disorder dyslexia (inability to read properly) is not the same in very culture and does not have a universal biological cause. Scientists described the results as "very important and revolutionary". While dyslexia has certain common roots, they said, they now have some proof that this kind of functional problem works differently according to the different demands that Western and Eastern languages place on the brain.
Dyslexia is a common developmental disorder in which people of normal intelligence have difficulty learning to read, spell and master other language skills. The results suggest that treating dyslexia around the world probably will require different treatments.
"Read
[单选题]进行线路拨道时,当指挥者要表示用力拨时,其手势指挥是( )。
A.两手握拳高举头上相碰
B.两手高举,食拇指张开作大圆弧状
C.两手放胸前,食拇指张开作小圆弧状
D.两手下垂,在体前向拨道方向快速用力摆动
[单选题]在出站道岔上施工,对车站方向,在距离施工地段不少于( )线路上,设置移动停车信号牌(灯)防护。
A.20
B.30
C.50
D.80
[判断题]安自装置投运后,未经运行值班人员许可,不得擅自改变其运行状态。()
[判断题]心肺复苏术是对心跳、呼吸骤停所采用的最初紧急措施。( )
A.正确
B.错误
[单项选择]冷却段对水的含()量要求较严格。
A. 铁
B. 氧
C. 钙
D. 磷
[单选题]信息系统()的目的是确保各方对需求的一致理解;管理和控制需求的变更;从需求到最终产品的双向跟踪。
A.配置管理
B.成本管理
C.沟通管理
D.需求管理
[单选题].500克干贝干料可涨发()湿料。
A..1000克
B..1500克
C..2000克
D..1750克
[单项选择]患者,男性,39岁,主诉:刷牙出血2年,伴冷、热刺激酸痛,无自发痛,后牙咬合无力。检查:牙石指数为3,牙龈充血肿胀,上、下磨牙牙周袋4~5mm,牙松动Ⅰ度。长期保持其治疗疗效的关键步骤是()
A. 全身药物抗感染治疗
B. 牙周手术治疗
C. 正畸治疗
D. 修复治疗
E. 定期的复查治疗
[单选题]阿瑞匹坦胶囊(意美)说明书推荐的“单次给药剂量”是( )。
A.80mg
B.125mg
C.首次125,第2,第3次80mg
D.首次80,第2、第3次125mg
[多项选择]单位和个人在同一票据交换区域的各种款项均使用()
A. 支票
B. 本票
C. 汇票
D. 存单
[填空题]在电力系统中,通常采用并联电容器的方法,以提供感性负载所需要的无功功率,从而提高(),以减少线损。
[单选题]大型养路机械道岔捣固作业时:道岔应采取大型养路机械道岔无障碍捣固作业,由工务和
( )配合作业。
A.车务
B.车务
C.供电
D.电务

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