问题描述：
[单选]
土石方及桩基施工扬尘可暂不覆盖，遇到干燥易起尘的土石方作业时，作业面场地应采用洒水等降尘措施，当天施工完毕后应按要求进行覆盖，空置或已完成的场地应覆盖（）
A．对
B．错
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答案解析：无
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上一篇：26-30题( )阅读下面的句子，根据文章内容进行判断，正确写“T”错误写Juvenile delinquency refers to criminal acts committed by children or teenagers， specifically anyone below the age of eighteen． These crimes hurt society and the children themselves．There are many factors that cause juvenile delinquency．Some children want to test their parentsor society"s limits． Sometimes juvenile crimes happen because of a lack of rules and supervision． For example， many times children commit crimes after school and while their parents are at work．Additionally， mental illness and substance abuse are main factors． 15%-20% of juveniles convicted of crimes have serious mental illnesses， when the range of mental illnesses widens， the percentages increase to 30%-90%・Also， many people believe， a child7s environment and family are greatly related to their juvenile delinquency record． For example， the dynamics of a family can affect a child？ s delinquency rate．Poverty level is another factor．Finally， another cause could be the relationships a child has in school or outside of school． A positive or negative friendship can influence thechances of children becoming delinquents． Peer pressure is also at play． Relationships and friendships can lead to gangs， which are major factors in violent crimes among teens．These are just some of the causes of juvenile delinquency．26． Juvenile delinquency hurts the Children themselves only．
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