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[多选题] 离心泵既能( ),同时又能提高液体的( )。
A. 输送电力
B.输送液体
C.压头
D.流量
E.速度

热门试题:

[单选题]接入层网络设备包括以下哪几项功能
A.承受网络拓扑中所有流量最终汇聚
B.为接入层提供数据管理
C.允许终端用户连接到网络
D.为接入层提供数据分发
[单选题]高速接触网的结构高度一般为()m。
A.1.3-1.6
B.0.8
C.1.7
D.1.8
[判断题]熔化型安全泄压装置是利用装置内的低熔点合金在较高的温度下熔化,打开通道,使气体从原来填充有易熔合金的孔中排出而泄放压力的。()
[单项选择]

(71) analysis emphasizes the drawing of pictorial system models to document and validate both existing and/or proposed systems. Ultimately, the system models become the (72) for designing and constructing an improved system. (73) is such a technique. The emphasis in this technique is process-centered. Systems analysts draw a series of process models called (74) . (75) is another such technique that integrates data and process concerns into constructs called objects.

(75)是()
A. Structured analysis
B. Information Engineering
C. Discovery Prototyping
D. Object-Oriented analysis
[简答题]Read the following passage carefully and complete the succeeding three items: Ⅲ, Ⅳ, Ⅴ.
(1)A young man of humble origins came to New York from the Midwest to seek his for- tune. He dreamed, in the American way, of becoming a millionaire. He tried his luck on Wall Street. He was diligent and shrewd and, when he had to be, devious. He put together the deal and he did some things with an electronics acquisition that wouldn’t bear explaining. He succeeded even beyond his dream: he made twelve million dollars.
(2) At first the young man assumed that everything was working out splendidly. "Isn’t it grand" he said to his wife, once it was apparent that he had made twelve million dollars. His wife told him that it wasn’t grand, and he was a nobody.
(3)"But that’s impossible," the young man said. "I’m a rich person. We live in an era that celebrates rich people. Rich people are shown in the newspapers in the company of movie stars and famous novelists and distinguished dress designers. The names of the richest corporate raiders are known to every schoolboy. There are rich real estate sharks whose faces appear on the covers of glossy magazines. "But his wife said that his face would not, because he was a nobody. When he stressed the fact that he had twelve million dollars, his wife retorted that a lot of people did, but they were still nobodies.
(4)"I could buy our way onto the committees of important charity balls," the young man said," then we’d be mentioned in the columns." "Don’t kid yourself," his wife said. "The important committees are already filled up with people who are really rich. People like us would end up working on something like a dinner-dance to benefit the American Psoriasis(牛皮癣) Foundation." The young man mentioned that he owned a co-op apartment on Fifth Avenue that was worth two million dollars. His wife argued that, to a certain extent, two mil- lion dollar co-ops were a dime a dozen. Then the young man boasted of owning a stretch limousine and said it was twenty-one and a half feet long. His wife brushed the idea aside, saying that nobody famous had ever ridden in something like that, and neither Henry Kissinger nor Calvin Klein had ever heard of him, so he was still a nobody.
(5)The young man was silent for a while. "Are you disappointed in me" he finally said to his wife. "Of course I’m disappointed in you," she said. "When you asked me to marry you, you said you would surely amount to something. How was I to know that you’d turn out to be a nobody"
(6) For a moment the young man looked defeated. Then he squared his shoulders and cleared his throat. "I’ll make them pay attention," he said. "I’ll buy a professional football team and argue a lot with the coach in public. Celebrities will join me to watch big games from the owner’s box. "The wife ridiculed him, saying that nobody could buy a professional football team for twelve million dollars, because professional football teams cost big bucks.
(7)"Then I’ll buy a magazine and appoint myself chief columnist, "the young man said." A tiny but exceedingly flattering picture of me will run next to my column every week. The owners of professional football teams will invite me to watch big games from the owner’s box." The wife believed that he might be able to buy one of those weekly-shoppers throwaways for twelve million dollars, but not a real magazine. One couldn’t buy a real magazine for chicken feed.
(8) The young man was very much hurt and asked his wife whether twelve million dollars were chicken feed. But his wife insisted, "it’s not big bucks."
(9)"But that’s not fair," the young man said. "I’m a young man of humble origins who made twelve million dollars. I succeeded even beyond my dream." "Some of those things you did with the electronics acquisition probably weren’t fair either," his wife said. "Fair isn’t being measured these days. What they measure is money. "Then the young man said, if that was the case, he would get more money by going back to Wall Street and making fifty million dollars.
(10)But before the young man could make fifty million dollars a man from the Securities and Exchange Commission came and arrested him for having committed insider-trading violations in the electronics acquisition.
(11)The young man was taken away from his office in handcuffs. A picture on the front page of the afternoon paper showed him leaving his arraignment trying to hide his face behind an $850 Italian overcoat. A long article in the morning paper used him as an example of a new breed of Wall Street traders who were the victims of their own greed, probably because of their humble origins. His friends and associates avoided him.
(12)Only his wife stuck by him. She tried to see the bright side. "For someone with only twelve million dollars" she said to the young man, "you’re getting to be pretty well known."We live in an era that celebrates rich people.
[单选题]对所辖网点的查库,坐班主任(会计主管)每月至少查库( )次。
A.1
B.2
C.3
D.4
[单项选择]领导方式的中心问题,是正确处理
A. 人与人之间关系
B. 人与环境之间关系
C. 上下级关系
D. 层级关系
[单项选择]瘀血病证所致疼痛之特征是()
A. 游走性疼痛
B. 酸痛
C. 绞痛
D. 胀痛
E. 刺痛
[单项选择]在谈判中常采用的让步策略语言技巧中让步速度要()。
A. 以最慢的速度
B. 以最快的速度
C. 快慢随意
D. 不可太快即可
[判断题]介质温度对非对称阀体引起的变形会影响阀座密封面的变形。( )
A.正确
B.错误
[判断题]遇需连续横越多条线路时,必须逐条线路执行“手比、眼看、口呼”有形化措施方可通过。
A.正确
B.错误
[多项选择]下列选项哪些不属于协定宪法?
A. 1215年英国的《自由大宪章》
B. 1830年法国宪法
C. 1908中国《钦定宪法大纲》
D. 1889年日本宪法
[单选题]( )是贷后管理的第一责任机构。
A.开户行
B.市级分行
C.省级分行
D.总行
[单项选择]To make his point, the author uses ______.
A. social opinions
B. an emotional request
C. sound arguments
D. factual information
[判断题] 民族乡是民族自治地方。
A.正确
B.错误
[多选题]以下说法中正确地说明了社会福利制度的是()
A.社会福利制度是一种国民收人再分配
B.社会福利制度的推行是资本主义生产关系自我调整的表现
C.社会福利制度是以一种渐进的方式实行社会主义
D.社会福利计划力图纠正市场初次分配中的不公平,具有一定的社会进步
[单选题]各部门、项目及专项工作专兼职档案人员应按照规定将文件( )后归档。
A.收集
B.整理
C.鉴定
D.分类
[单项选择]列宁说过,“如果要开一张包治百病的丹方,或者拟订一个适用于一切情况的一般准则„„那是很荒谬的。”其荒谬在于违背了()
A. 任何事物都包含矛盾的原理
B. 不同的矛盾只能用不同的方法来解决的原则
C. 矛盾的普遍性存在于特殊性之中的原理
D. 矛盾双方在一定条件下相互转化的原理
[单选题](B737ng)球形轴承承受什么样的载荷?滚子轴承承受什么样的载荷?
A.径向和轴向 径向和轴向
B. 轴向和轴向 径向
C. 轴向和径向 轴向
D. 径向和轴向 径向
[单选题]集装箱运输的货物使用( )作为运输合同。
A.货票
B.货物运单
C.铁路货物运输服务订单
D.物品清单
[单项选择]李斯托威尔指出“:如果不是月亮、太阳和星星真的照耀着天空,我们决不会被灿烂的朝霞、宁静的落日或者闪烁着光辉的神秘的夜所感动。”这段话所针对的美论是()。
A. 美在理念
B. 美在移情
C. 美在关系
D. 美在形式
[单项选择]脾局限性包膜下积血的CT表现中,哪项不正确()。
A. 呈新月形或半月形病变,位于脾缘处
B. 相邻脾实质压迫内陷
C. 呈圆形或椭圆形病变,位于脾内
D. 新鲜血液的CT值略高于或相近于脾脏的密度
E. 对比增强扫描脾实质强化而血肿不强化
[单选题]矩阵新媒体运营专员应及时安抚客户情绪,承诺( )小时内给予回复。
A.8
B.12
C.24
D.48
[多选题]列车运行中碰撞异物影响行车安全时,司机应立即采取停车措施,并向列车调度员(车站值班员)报告( ),动车组列车司机还应通知随车机械师。
A.碰撞异物情况
B.碰撞异物地点
C.碰撞异物时的速度
D.停车地点
[判断题]低倍数泡沫枪有便于操作和起保护枪作用的圆形手轮,使用时操作者应抓紧枪的手轮。( )
A.正确
B.错误
[简答题]综合录井仪传感器参数技术指标,机械转盘扭矩传感器测量范围0~( )kN.m,最大允许误差±2%FS。
[单项选择]精镗时,镗刀的刃倾角取(),以改善刀具切削性能。
A. 零度
B. 正值
C. 负值
D. 对称分布
[多选题]扑救易燃液体和其他有可能发生流淌燃烧的火灾时,消防车的作战位置应设在火灾现场的( ),消防人员应当从( )的地方建立进攻起点,延伸进攻路线( )(易)
A.相对高处
B.地势较高
C.地势较低
D.相对低高处
[多项选择]以______方式取得票据,不享有票据权利。
A. 拾遗
B. 背书
C. 重大过失
D. 恶意
[单选题]收费冲正原则上应()处理。
A.当日
B.当月
C.当季
D.当年
[判断题]客户侧作业高压验电前,验电器应先在附近设备上试验,确证验电器良好。
A.正确
B.错误
[多选题]室内母线分段部分、母线交叉部分及部分停电检修易误碰有电设备的,应设有( )。
A.明显标志的永久性隔离挡板
B.明显标志的永久性隔离护网
C.临时隔离挡板
D.临时护网
[单项选择]巅顶部位头痛属于()
A. 阳明头痛
B. 太阳头痛
C. 少阳头痛
D. 厥阴头痛
E. 少阴头痛
[判断题]单程运行里程超过200公里(高速公路直达客运超过400公里)的客运车辆应当配备2名及以上客运驾驶员。
A.正确
B.错误
[单项选择]下列哪些情形的药品不能按照假药处理, ( )
A. 国务院药品监督管理部门规定禁止使用的
B. 未取得批准文号生产的
C. 未标明有效期或者更改有效期的
D. 被污染不能药用的
E. 变质不能药用的
[单选题]要严格落实安全官(员)制度,消防救援大队、站到场至少明确1名干部或班长担任(),专门负责现场安全监测、提示。
A. 现场安全员
B.作战安全员
C.训练安全员
D.中队安全员
[填空题]半径为500m的曲线,正线圆曲线正矢最大最小值差超过(  )为超限。
[单项选择]有较强的亲脂性、易通过血-脑屏障,并适用于脑肿瘤治疗的药物是
A. 美法仑
B. 塞替派
C. 顺铂
D. 环磷酰胺
E. 卡莫司汀

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