[判断题]高处作业区周围的孔洞、沟道等应设盖板、安全网或围栏有固定其位-我要搜题网

[简答题]A公司当年销售额为1 000 000元，税后净利为120 000元。其他有关资料如下： (1)财务杠杆系数为1.5，固定营业成为240 000元。 (2)所得税税率为40%。 (3)当年普通股股利为150 000元。要求： (1)若预计年度销售额增长20%，A公司没有增发普通股的计划，A公司没有优先股，则预计年度的税后净利润增长率为多少 (2)若该公司实行的是稳定的股利政策，法定公积金提取率为15%，则能满足股利支付的最少销售额是多少

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[单选题]轻型防化服在10毫米液柱下1小时不渗透的三种酸分别是( )。
A.盐酸30%、硫酸60%、硝酸80%
B.硝酸80%、盐酸60%、硫酸30%
C.盐酸30%、硝酸60%、硫酸80%
D.盐酸80%、硝酸60%、硫酸30%

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[单选题]测量仪器的标尺或显示装置所能指示的范围，称为（）。
A.标称范围
B.测量范围
C.示值范围
D.量程

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[单选题][T]BI021 5 1 3
下列选项中,通过使用双头螺栓将阀门连接在两管道法兰之间的阀门是( )。
A.对夹式蝶阀
B.法兰式蝶阀
C.螺纹式球阀
D.由壬式旋塞

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[单项选择]嗜酸性晚幼粒细胞（）
A. 核较大，一侧微凹陷，核仁清晰，胞浆量较多，胞浆内含紫色大小不一颗粒
B. 胞核圆，核仁清晰，胞浆量较少，胞浆内含少量细小颗粒
C. 胞核一侧微凹陷，无核仁，胞浆量较多，胞浆内含淡紫色细小颗粒
D. 胞核圆，胞质内及核内含有数量不多粗大深紫黑色颗粒
E. 胞核呈肾形，胞浆中充满粗大、暗黄色颗粒

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[单项选择]

Ancient Greek philosopher Aristotle viewed laughter as "a bodily exercise precious to health". But (1) some claims to the contrary, laughing probably has little influence on physical fitness. Laughter does (2) short-term changes in the function of the heart and its blood vessels, (3) heart rate and oxygen consumption But because hard laughter is difficult to (4) , a good laugh is unlikely to have (5) benefits the way, say, walking or jogging does.
(6) , instead of straining muscles to build them, as exercise does, laughter apparently accomplishes the (7) , studies dating back to the 1930s indicate that laughter (8) muscles, decreasing muscle tone for up to 45 minutes after the laugh dies down.
Such bodily reaction might conceivably help (9) the effects of psychological stress. Anyway, the act of laughing probably does produce other types of (10) feedback, that improve a
A. suggesting
B. requiring
C. mentioning
D. supposing

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[填空题]Many people are closely following the political polls during the final weeks preceding this important election. But how do these polls actually work Polls are surveys of a (36) small number of people compared to the actual number who will vote. They are an (37) to determine who may actually win an election in advance of the final vote. Let’s say that 100 million people are expected to vote in the (38) election. If 100 people are asked for their opinions, each (39) represents a million voters. Obviously, the results of such a poll are not very (40) . The more people surveyed, the more (41) are the results. Pollsters have various ways of making their polls more accurate. They try to find a representative (42) of people to question. For example, they look for people with similar (43) and from similar regions to those of all the voters. Pollsters also ask questions that try to determine how many people

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[多项选择]关于企业内部晋升竞赛的设计要点说法正确的有（）。
A. 竞赛候选人之间在知识、能力或经验等方面应具有较高的可比性
B. 竞赛候选人的当前职位以及拟晋升职位之间应创造合理的工资差距
C. 工资差距太小会削弱竞赛参与者的努力动机
D. 其他条件一定情况下，晋升带来的综合价值越高，参与者努力的积极性就越高
E. 其他条件一定情况下，晋升的风险越高，参与者的努力程度也越高

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[多项选择]在实物期权中，关于放弃期权的说法正确的有（）。
A. 是一项看涨期权
B. 其标的资产价值是项目的继续经营价值
C. 其执行价格为项目的清算价值
D. 是一项看跌期权

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[单选题]窃电时间无法查明时，窃电日数至少以180天计算。
A.A、正确
B.B、错误

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[判断题]当零线兼做零保护线路时，可以在零线上装设熔断器。
A.正确
B.错误

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[单选题]A市B小区5号楼3单元1201室发生火灾。110指挥中心接警后,对该事件的处理错误的是∶
A.立即派民警前往并联系消防部门
B.对现场交通进行管制
C.了解人员伤亡、被困情况
D.第一时间收集起火原因

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[单选题]既有趋化作用又可激发肥大细胞释放组胺的补体裂解产物是
A.C3b
B.C4b
C.C4a
D.C5a
E.C2a

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[填空题]（1.0分）题号:1644 难度:中第8章士官留用察看时间，一般不超过( )。士官留用察看期间，停止执行原工资标准，改按义务兵最高津贴标准发放津贴。