关于地下防水混凝土所用材料及配合比的说法，正确的有（）。A.水

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关于地下防水混凝土所用材料及配合比的说法，正确的有（）。

A.水泥强度等级不应低于32.5级，用量不得少于300kg/m

B.粗骨料含泥量不得大于1.0%，细骨料含泥量不得大于3.0%

C.粉煤灰级别不应低于二级，掺量不宜大于15%

D.水灰比不得大于0.50

E.普通防水混凝土坍落度不宜大于50mm，泵送时入泵坍落度宜为100～140mm

答案

参考答案：B, D, E

完形填空

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选择题

2010年6月9日，“智障人士被搬家公司强迫做苦力，权益难以得到保障”的现象经《法制日报》载文披露以后，相关部门负责人作出批示，要求从依法维护残疾人合法权益的高度，查清事实，依法依规，区别情况，妥善处理。这表明 [ ]

A．在我国，监督权是公民政治生活中最基本的民主权利

B．舆论监督是公民行使监督权的最有效的途径

C．舆论监督透明度高、影响广，在监督活动中发挥着独特作用

D．舆论监督有利于人民直接行使管理国家的权力

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