已知盐水若干千克,第一次加入一定量的水后,盐水浓度变为6%,第二次加入同样多的水后,

题型:单项选择题

问题:

已知盐水若干千克,第一次加入一定量的水后,盐水浓度变为6%,第二次加入同样多的水后,盐,水浓度变为4%,第三次再加入同样多的水后盐水浓度是( )。

A.3%

B.2.5%

C.2%

D.1.8%

考点:地方公务员行政职业能力测试内蒙古行政职业能力测验
题型:单项选择题

原始凭证的主要作用在于()。

A.记录经济业务

B.监督经济业务

C.明确经济责任

D.作为登账依据

题型:单项选择题

大雁:南飞()

A.企鹅:迁徒

B.苍鹰:高飞

C.乌龟:冬眠

D.蚂蚁:搬家

题型:单项选择题

Dee and Eff are major shareholders in, and the directors of, the public company, Fan plc. For the year ended 30 April 2009 Fan plc’s financial statements showed a loss of $2,000 for the year.For the year ended 30 April 2010 Fan plc made a trading profit of $3,000 and, due to a revaluation, the value of its land and buildings increased by $5,000.As a consequence, Dee and Eff recommended, and the shareholders approved, the payment of $4,000 in dividends.Required:Advise Dee and Eff as to:

(a) the legality of the dividend payment; and (6 marks)

题型:单项选择题

下列各组物质在溶液中能大量共存的是(  )

A.NaCl、AgNO3、K2SO4

B.KOH、NaNO3、H2SO4

C.Ba(OH)2、NaCl、CuSO4

D.KNO3、MgCl2、ZnSO4

题型:单项选择题

燃烧转送风操作时的开冷风均压阀和送风转燃烧时开废气阀的目的是()。

A.均衡压力

B.保持原压力

C.增加两边压力

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