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水泥的标准稠度有用水量、凝结时间、安定性检验方法，是按GB/T1346-2001标准的方法进行的。( )
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引起特异性感染的是
一组普通砖(5块)进行抗折强度试验，如果测定的抗折强度平均值为5.245MPa，则该砖组的抗折强度为5.24MPa。( )
案例分析题(一)×××建筑公司正在开发某花园工程1号、2号楼，在建筑施工过程中，常使用建筑砂浆进行砌筑、抹灰、灌缝和粘贴饰面的材料。现该公司检测部门准备对此次施工中所用的砌筑砂浆进行实验室砂浆稠度检测，稠度检测用的砂浆从机械拌和砂浆中取出，且砂浆拌和时试验室的温度保持在20℃±5℃。请根据已知条件，回答下列问题。 砌筑砂浆进行实验室砂浆稠度检测时，检测所用的主要仪器设备为砂浆稠度测定仪，图1是砂浆稠度测定仪的简图，请标出图中1～8所代表的部件名称。
Over a hundred years ago, Charles Dickens shocked many of his readers when he described the conditions under which young children worked in British factories. The conditions Dickens described continue almost (1) today in many parts of the world. The only difference is that today (2) of children is limited to small industries and family businesses, such as hotels, restaurants and (3) farms, rather than to large factories. Girls (4) more from child labor practices than boys. Many of them are forced to start work when they are only ten years old. Although the work they are given to do is often (5) , it is often harmful to their health. (6) , children as young as six years were found to be working in Asian factories, and the children were working from eight to fourteen hours a day in overcrowded and unhealthy working (7) . Sometimes a whole family group is employed, with the (8) going to a parent or older relative. The children not only receive nothing or very little for their long hours of work, but also they are prevented from attending school. Therefore, when they become older they are unable to do any other kind of work. The (9) to the problem of child labor is clearly better laws to protect young children, greater supervision of industry and heavier frees for those who break the laws. Only in this way can young boys and girls be allowed to enjoy the most (10) time of their lives—children. A. elsewhere B. employment C. dissolved D. light E. recently F. solution G. unchanged H. suffer I. conditions J. perspective K impatient L. valuable M. particularly N. proceed O. payment
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