热门试题:
[单项选择]Most people who travel long distance complain of jetlag. Jetlag makes business travelers less productive and more prone (21) making mistakes. It is actually caused by (22) of your "body clock" --a small cluster of brain cells that controls the timing of biological (23) . The body clock is designed for a (24) rhythm of daylight and darkness, so that it is thrown out of balance when it (25) daylight and darkness at the "wrong" times in a new time zone. The (26) of jetlag often persist for days (27) the internal body clock slowly adjusts to the new time zone.
Now a new anti-jetlag system is (28) that is based on proven (29) pioneering scientific research. Dr, Martin Mooreede had (30) a practical strategy to adjust the body clock much sooner to the new time zone (31) controlled exposure to bright light. The time zone shift is easy to accomplish and eliminates (32) of the discomfort
A. from
B. of
C. for
D. to
[判断题]公共营养师的职业守则是对其品格、纪律、责任、技能的要求( )
[单选题]下列关于保证金的说法正确的是()。
A.履约保证金不得超过中标合同金额的2%
B.招标人在招标文件中要求投标人提交投标保证金的,投标保证金不得超过招标项目估算价的10%
C.投标保证金有效期应当与投标有效期一致
D.中标人不履行与招标人订立的合同的,投标保证金不予退还
[判断题](类别:号段管理难度:中等)运营商是智慧城市建设的主要力量()
A.正确
B.错误
[单项选择]班组的经济核算无论是项目承包或单台总工时的考核,还是按计划,经济地完成任务,都需要以降低成本,提高质量,缩短修理周期为班组的生产目标,这也是班组( )的关键。
A. 经济成果
B. 经济效益
C. 经济核算
D. 经济换算
[单选题]砖砌电缆沟抹灰完成( )h后及时对抹灰面进行喷水养护,防止空鼓开裂。[《国家电网公司输变电工程标准工艺(三) 工艺标准库(2016年版)》,工艺编号:0301030202]
A.A.24
B.B.30
C.C.12
D.D.15
[单项选择]Though every morning I queue(排队) at the bus stop very early, I am often (41) for school. The reason is that there are (42) buses for all the people who queue up at the stop, and the buses often arrive there late. (43) the time table,there should be a bus (44) fifteen minutes, but one often has to wait (45) hour for a bus to arrive.
By the time the bus arrives, (46) so many people in the queue that those near the (47) can’t get on the bus and (48) to wait for another thirty minutes before the (49) bus arrives.
I wish the bus (50) would put more buses on.
[A] Instead of [B] According to [C] Because of
[填空题] One of the most important features that distinguish reading from listening is the nature of the audience. 【B1】 the writer often does not know who will read what he writes, he must 【B2】 to be as clear as possible. Time can be taken to plan the piece of writing so that it is eventually organized into some sort of 【B3】 sequence of events or ideas. When we speak, however, we normally have very 【B4】 time to plan what we intend to say. 【B5】 , we may begin speaking before we 【B6】 what to say. Our thoughts then tumble out in 【B7】 a logical sequence. Since we are actually 【B8】 our audience face to face we may omit some of the information we believe our audience shares. 【B9】 the more familiar we are with out audience, the more information we are likely to leave out. In any 【B10】 they can always stop and ask a question or ask for clarification if we have left out too much. A reader, however, cannot do 【B11】 but can at least attempt comprehension at his own speed; 【B
A. A.role
B.duty
C.part
D.function
[单选题]检修设备停电,设备运维管理单位(含客户)应把( )的电源完全断开(任何运行中的星形接线设备的中性点,应视为带电设备)。
A.主供
B.主供及备用
C.各方面
D.应急
[单选题]仅封锁区间的施工,列车自封锁区间进入站内时,进站方向无
进站信号机或进站信号机不能使用时,按( )方式办理接车。
A.正常
B.引导
C.引导手信号
D.调车
[单选题]培训成本的核算方法有( )。
A.统计方法
B.经验估算方法
C.会计方法
D.统计估算法
[简答题]《特种设备安全监察条例》中的特种设备是指什么?
[单项选择]从某种意义上讲,()可以认为是价格的一方面,指的是价格波动能够达到的极限。
A. 成交价
B. 成交量
C. 时间
D. 空间
[判断题]( )随着阶级的消亡、国家的消亡,法律也将消亡。
A.正确
B.错误
[单选题]10、高压电容器应在额定电压下运行,当长期运行电压超过额定电压的( )时,高压电容器组应立即停运。
A.1.1倍
B.1.2倍
C.1.3倍
[多选题]防火门一致性检查的技术要求说法正确的是()。
A.型号规格应符合型式检验报告所涵盖产品型号规格
B. 外形尺寸应大于等于型式检验报告中门的外形尺寸
C.防火玻璃透光尺寸应小于等于型式检验报告中受检样品相同部位的防火玻璃透光尺寸
D.门扇和门框结构及填充材料的种类及相应参数应与型式检验报告中受检样品相同
[多项选择]教育机会平等的三层含义是()。
A. 受教育权利和义务的平等
B. 受教育机会平等
C. 教育结果的相对平
D. 都能获得义务教育
[判断题]贮存、运输和装卸食品的容器、工具和设备应当安全、无害,保持清洁,防止食品污染,并符合保证食品安全所需的温度、湿度等特殊要求,不得将食品与有毒、有害物品一同贮存、运输。
A.正确
B.错误
[单项选择]I suggested he should () himself to his new condition.
A. adapt
B. adopt
C. regulate
D. suit
[多项选择]治安管理处罚的种类有( )。
A. 罚款
B. 行政拘留
C. 警告
D. 吊销营业执照
[单选题]电能表的磁极断裂,电能表的转速()
A.基本不变;
B.变慢;
C.不转;
D.变快
[单项选择]乌梅丸的功用是()
A. 温脾益肾
B. 生津止渴
C. 温脏安蛔
D. 杀虫消积
E. 杀虫降逆
[单项选择]对于可撤销合同,受害方有选择合同效力的权利,这是依据 原则。
A. 严格责任原则
B. 公平合理原则
C. 意思自治原则
D. 全面履行原则
[单选题]除交易所交易的标准化期权、权证之外,还存在大量场外交易的期权,这些新型期权通常被称为( )
A.奇异型期权
B.现货期权
C.期货期权
D.看跌期权
[单项选择]在世界教育学史上,被公认的第一本现代教育学著作是( )
A. 《大教学论》
B. 《教育漫话》
C. 《普通教育学》
D. 《爱弥尔》
[不定项选择题]幼儿思维发展的主要特点包括( )。
A.具体形象思维为主
B.思维的实用性日益突出
C.逻辑思维开始萌芽
D.二元论思维开始萌芽
[单选题]CRH380B内风挡为( )风挡。
A.双层
B.单层
C.双层波浪式折棚
D.折棚
[单选题](id9767)责任机长负责亲自操纵飞机开车、滑出、起飞、爬升、下降、进近、落地以及滑入,并在着陆前至少保证( )个小时的连续休息
A.3
B.4
C.5
[判断题]飑线系统可以发生在冷锋前或暖锋后的暖气团中,也可以发生在冷锋后或暖锋前的冷气团
中,或发生在冷锋上。
A.正确
B.错误
[判断题]增压机紧急停机后,需立即停油泵。
A.正确
B.错误
[判断题]动车组系统功能分类中二系减振组件功能组包括抗蛇行减振器、二系垂向减振器、二系横向减振器功能件。
A.正确
B.错误
[单选题]用灌砂法测定压实度时,试验报告中各种材料的干密度均应精确至0.01g/cm3。()
A.正确
B.错误
[单项选择]某被保险人今年续保时应交保险费5000元,在上一年保险期内没有发生保险赔款,今年续保时可获得的无赔款优待比例为10%,则无赔款优待金额为( )。
A. 500元
B. 4500元
C. 250元
D. 100元
[单项选择]I think it is high time that Mr. Smith ______ his mind.
A. make up
B. makes up
C. made up
D. will make up
[多选题]以下关于流动式起重机吊装铁塔横担顺序说法正确的是( )。
A.酒杯型塔横担整体重量较大时,应先整体吊装中横担,再分别吊装两边横担及地线支架
B.羊字型铁塔横担,应按先上后下顺序吊装
C.干字型塔,应先吊装导线横担,再吊装地线横担及跳线支架
D.羊字型铁塔横担,应按先下后上顺序吊装