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[单选题]板式橡胶支座的下座板是用( )制成,它的作用是固定支座位置,并将加劲胶板传来的荷载均

匀分散到支承垫石上。
A.铸钢
B.低碳钢
C.高碳钢
D.不锈钢
参考答案:A

热门题目:
第1题:[单选题]如使用的滑车可能着地,则应改变滑车的方向,防止垃圾窜入滑车。
A.正确
B.错误
C.略
D.略
E.略
F.略
参考答案:B


第2题:
[填空题]大曲:( )。
参考答案:指以小麦为主要原料制成的块状,并含有多菌酶类物质的曲块


第3题:
[单选题]速度小于120 km/h区段,瞭望条件大于( )以上时,钢轨探伤仪、轨道检查仪作业,邻线来车可不下道。
A.500m
B.800m
C.1400m
D.2000m
参考答案:D


第4题: [单项选择]
女,48岁,白带多,接触出血半年。妇科检查:宫颈糜烂状,阴道外观正常,子宫正常大小。双侧附件区无明显增厚。首选确诊检查是()。
A. 宫颈锥切术
B. 宫颈和宫颈管活检
C. 宫颈涂片检查
D. 阴道镜检
E. 宫颈碘试验
参考答案:B
答案解析:接触性出血常为宫颈癌的早期表现,应警惕,应做活检诊断。宫颈活组织检查是确诊的最可靠方法。

第5题: [简答题]
线路作业前,应做好哪些停电措施?
参考答案: 一、断开发电厂、变电所(包括用户)线路开关和刀闸;
二、断开需要工作班操作的线路各端开关、刀闸和可熔保险;
三、断开危及该线路停电作业,且不能采取安全措施的交叉跨越、开行和同杆线路的开关和刀闸;
四、断开有可能返回低压电源的开关和刀闸。

第6题: [多项选择]
Can you explain why people buy stock on margin
参考答案:Suggested answers:
a.Well, I don’t know much about stock market. As we all know, many people buy many things on credit, and stocks are no exception. Investors who qualify can make a stock purchase by paying E0 percent down and getting a loan for the remainder. This is called buying on a“margin”of E0 percent. The balance is borrowed at interest from the brokerage house and the stock certificates are deposited with the broker as security. The Federal Reserve Board regulates the minimum margins, the amount that must be paid in cash as a percentage of a purchase. The minimum margins vary, depending on whether there is need to stimulate the market or curb its speculative enthusiasm.
b.If an investor sells stock held on margin that has appreciated, the investor may pocket the profit and pay the broker the amount that was borrowed plus interest and commission. If the stock goes down, the broker can issue a“margin call,”and the investor is required to pay an additional amount into the account. If the owner cannot produce cash, some of the stock is sold at the investor’s loss. Buying stock on margin gives speculators (traders willing to gamble on high-risk situations) the opportunity of making more profit and also the risk of suffering greater losses.
c.At times the Federal Reserve Board requires a A00-percent margin, meaning that all stock must be paid for in cash. During the AIE0s, for example, the margin rate varied from a low of E0 percent to a high of I0 percent. A low rate, of course, stimulates stock buying, while a high rate discourages it. The first concern of most investors is the safety of their purchases. If necessary they will often take lower dividends to avoid great risk. In contrast, speculators hope to see the price of their stocks go up, usually within months, or even days, They are more interested in the future of the stock than in its earning power at the time of purchase. People who believe they can outguess the market try to buy before prices rise and sell before they fall.
d.There is also a group of speculators known as“short sellers. ”A short seller is someone who invests money because he or she expects a particular stock to go down in value. This person sells “borrowed”stock, in hope of replacing it later with stock bought on the open market at a lower price. This is one of the riskiest ways of investing in the market, because the price of a stock that is doing very well may rise tenfold or more, in which case the“short”gets“squeezed”for a big loss. Selling short is governed by specific rules to prevent abuses of a type that occurred in an earlier era on Wall Street.
e.The largest security market in the world in terms of the number of different stocks and bonds traded is the over-the-counter (OTC) market. OTC is not located in any one place, but is primarily an electronic communications network of stock and bond dealers. The National Association of Securities Dealers, Inc. , which has the power to expel companies, supervises these stocks or dealers determined to be dishonest or insolvent. The over-the-counter market tends to get stocks of smaller companies, and by the AII0s had come to be known as a market where many of the fastest growing“high-tech-nology”stocks could be bought and sold. Again, information about trading activity can be acquired through newspapers, magazines, or electronically. A brokerage house usually handles purchases and sales of these stocks along with those on the major exchanges.
f.Many persons who do not feel qualified to decide which stocks to purchase, but who nevertheless want to participate in the stock market in hopes of making a profit by doing so, turn to mutual funds. A mutual fund combines funds of its shareholders, which may be in small amounts, and invests large blocks of money in a varied portfolio of stocks, this reducing the risk, which is another reason why many people prefer this method of investing in stocks.
g.Another advantage of mutual funds to the customer is that the fund’s managers get professional advise from staff analysts. It is possible for a fund to employ such persons because the operation is on a large scale. There are dozens of kinds of mutual funds. Some are designed for income. Some for capital appreciation, and others are speculative with the chance for large gains or severe losses. Some deal only with stocks of specific industries, or stocks of foreign companies, or companies whose activities benefit the environment. The number and variety of funds proliferated greatly in the AIH0s; the total number of funds jumped from EBD to B,IAH over the decade, while the portion of U. S. households holding shares in mutual funds increased from F percent in AIGI to BE percent in AIHI.
答案解析:[解析] over-the-counter stocks场外交易股票。capital appreciation股本升值。brokerage经纪人佣金。 remainder余数,剩余部分。block冻结

第7题: [单项选择]
男,18岁。运动员常规体检时心电图示心室率50次/分。P-R间期0.21s,P-R间期及R-R间期恒定不变,QRS波群形态和时限正常。最可能的诊断为()
A. 二度Ⅰ型房室传导阻滞
B. 二度Ⅱ型房室传导阻滞
C. 三度房室传导阻滞
D. 心房颤动伴差异性传导
E. 一度房室传导阻滞
参考答案:E
答案解析:此病例中P-R间期大于0.20s的正常值,出现了传导阻滞。R-R间期恒定不变,说明没有出现脱落的QRS波群,排出二度房室传导阻滞。P-R间期恒定不变,排除三度房室传导阻滞。故答案选择一度房室传导阻滞

第8题:
[多选题]在我国,大部分天然物和生产物可以成为法律关系的客体,但有几种物不能成为私人法律关系的客体,那么,下列不能成为私人法律关系客体的有()。
A.海洋
B.文物
C.枪支
D.假药
参考答案:ABCD
在我国,大部分天然物和生产物可以成为法律关系的客体。但有以下几种物不得进入国内商品流通领域,成为私人法律关系的客体:(1)人类公共之物或国家专有之物,如海洋、山川、水流、空气;(2)文物;(3)军事设施、武器(枪支、弹药等);(4)危害人类之物(如毒品、假药、淫秽书籍等)。

第9题:
[单选题]碱性清洗剂在清洗过程中,主要作用的是( )
A.脂肪、蛋白
B.糖类
C.盐类、矿物质
D.矿物质
参考答案:A


第10题:
[单选题]患者,女性,38岁,缩窄性心包炎一年,拟择日行心包切除术。夜班护士发现患者失眠,心率120次/分,双手颤抖。沟通中患者表示深恐手术发生意外,但又因病轻重而不敢不行手术。护士采取的措施不妥的是
A.向患者介绍手术成功的病例
B.告诉患者手术没有任何风险
C.向患者说明手术的目的
D.教会患者使用放松技术
E.鼓励家属在探视时给予心理支持
参考答案:B


第11题:
[单选题]【单选】女性,50岁,因溃疡病行胃大部切除术后2周,进食10-20分钟后出现上腹饱胀,恶心呕吐、头晕、心悸、出汗、腹泻等,应考虑并发症是()(1分)
A.倾倒综合征
B.低钾血征
C.代谢性酸中毒
D.吻合口炎症
E.吻合口梗阻
参考答案:A


第12题: [判断题]
坚持党的基本路线不动摇,关键是坚持四项基本原则不动摇。( )
参考答案:错
答案解析:[解析] 党在社会主义初级阶段的基本路线是,领导和团结全国各族人民,以经济建设为中心,坚持四项基本原则,坚持改革开放,自力更生,艰苦创业,为把我国建设成为富强民主文明和谐的社会主义现代化国家而奋斗。坚

第13题:
[判断题]功率越大的电器电流做的功越大。
A.正确
B.错误
参考答案:B


第14题:
[单选题]“忠于共产主义事业,毫不利己专门利人,在各种不同的工作岗位上干一行爱一行,把有限的生命投入到无限的为人民服务之中去”。这段话描述的是( )精神。
A.雷锋
B.张思德
C.长征
D.李向群
参考答案:A


第15题:
[单选题]为组织形象管理目标定位和策划提供客观依据的是
A.组织实态的调查分析
B.员工阶层的调查研究
C.管理阶层的调查分析
D.决策阶层的研究分析.
参考答案:A


第16题:
[单选题]用电工刀剥削塑料导线绝缘层时,电工刀应以()角倾斜切入塑料绝缘层。
A.25度
B.30度
C.45度
D.垂直
参考答案:C


第17题: [简答题]
机电一体化技术与计算机应用技术的区别。
参考答案: 机电一体化技术只是将计算机作为核心部件应用,目的是提高和改善系统性能。计算机在机电一体化系统中的应用仅仅是计算机应用技术中一部分,它还可以作为办公、管理及图象处理等广泛应用。机电一体化技术研究的是机电一体化系统,而不是计算机应用本身。

第18题:
[单选题]北宋建立后,进一步加强中央集权,其中最早推行的政策是(  )
A.分割宰相
B.禁军分司
C.科举防弊
D.州郡分路
参考答案:B
由于北宋就是大将夺权而建的,因此,刚一建立首先要削弱武将的权力。其政策是:罢去了禁军的殿前都点检、副都点检等职位,不再设置最高统帅;把禁军两司分为“三衙”,又称“三司”。因此,正确答案是B。

第19题:
[单选题]>轧钢车间用( )剪切原料。
A.平刃剪
B.斜刃剪
C.均可
参考答案:A


第20题: [单项选择]
无并发症的妊娠足月孕妇的体重约增加()。
A. 8.5kg
B. 10.5kg
C. 12.5kg
D. 14.5kg
E. 16.5kg
参考答案:C

第21题:
[单选题]中国民用航空局(以下简称民航局)对机场航空安保工作实行( )。
A.个人
B.员工
C.工作人员
D.旅客
参考答案:A


第22题:
[单选题]客户签约个人外汇期权业务前,网点销售人员应先向客户充分揭示个人外汇期权业务风险,并要求客户填写《交通银行“个人外汇期权”风险评估调查问卷》,对于风险评估问卷得分()以上的客户,可以进行后续签约
A.60 分(含)
B.70分(含)
C.75分(含)
D.80分(含)
参考答案:A


第23题:
[判断题]电力市场运营系统应当禁止拨号访问方式。
A.正确
B.错误
参考答案:B


第24题: [单项选择]
Ten-year-old children likely to become offenders are usually______.
A. spoilt children from small families
B. bright children in poor families
C. dull children with many brothers and sisters
D. children whose parents have acquired wealth dishonestly
参考答案:C
答案解析:[解析]事实细节题。问题:可能成为犯罪者的十岁儿童通常是下面哪类 在短文的第三段提及了导致不良行为的五个关键因素,a low-income family,a large family,parents

第25题:
[判断题]皮疹的分布特点对某些传染病有重要的鉴别价值。
A.正确
B.错误
参考答案:A


第26题:
[单选题]依据《女职工劳动保护特别规定》,女职工在孕期不能适应原劳动的,用人单位应当根据( ),予以减轻劳动量或者安排其他能够适应的劳动。
A.女职工要求
B.医疗机构的证明
C.工会证明
D.女职工身体状况
参考答案:B


第27题:
[单选题]糖皮质激素对造血系统作用哪项是错误的
A.红细胞增多
B.血液中纤维蛋白原浓度增多
C.血小板数量增多
D.中性粒细胞增多
E.淋巴细胞增多
参考答案:E


第28题: [单项选择]
American Indian languages, which differ widely, {{U}}tended{{/U}} to group many units of meaninginto multisyllabic words.
A. all tend
B. and tend
C. to tend
D. tending
参考答案:A
答案解析:[解析] 时态应用。 本句描述一般现象,谓语动词用一般现在时。主语和谓语间不能插入"and",all在这里作主语的同位语。

第29题:
[判断题]变压器高压侧短路接地或采取绝缘遮蔽措施后,方可进入变压器室工作。
A.正确
B.错误
参考答案:B


第30题:
[多选题]视力残疾人携导盲犬乘车需要四证,且导盲犬装备专业犬衣、犬绳时,允许进入地铁乘车。“四证”包括( )。
A.A、《残疾人证》
B. B、《犬类免疫证》
C. C、《养犬登记证》
D. D、《导盲犬工作证》
参考答案:BCD


第31题:
[判断题] 高速公路行车发生火灾时,要将机动车驶进服务区或停车场灭火。
A.正确
B.错误
参考答案:B


第32题:
[单选题]当用于测量易挥发性液体时,流量计出口处压力应高于液体的饱和蒸汽压力。当安装于垂直管道上时,宜安装于管道的( )。( )
A.较高处
B.最高处
C. 较低处
D.最低处
参考答案:D


第33题: [单项选择]
患者,男性,25岁,外伤后出现肘部关节肿胀,可以帮助鉴别肱骨髁上骨折和肘关节脱位的表现是()
A. 有无手臂功能障碍
B. 肘部是否剧烈疼痛
C. 是否可摸到尺骨鹰嘴
D. 肘后三点是否失去正常关系
E. 桡动脉是否减弱或消失
参考答案:D

第34题:
[单选题]班组长要认真规范组织召开周班组安全例会、班前会或交接班会,传达安全文件精神及安全注意事项,布置班组(),及时处理与防范岗位安全隐患,做好交接与提醒工作,接班人做好工作进度情况验证工作。
A.今日作业
B.安全工作
C.工作要求
D.防范措施
参考答案:B


第35题:
[单选题]X射线衍射仪是一个半封闭的设备,不需要大规模的清洗,重要的是定期清理( )。
A.冷却风扇通风口过滤器
B.开关
C.振样池
D.制样套件
参考答案:A


第36题: [单项选择]
床的软硬度适中,最好是木板床,以保证婴幼儿()的正常发育。
A. 大脑
B. 身体
C. 脊柱
D. 骨骼
参考答案:C

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