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[简答题] The Frontier and the Family The impact of the frontier has been traditionally assumed by historians, who have studied its (47)______ on mountain men and cowboys, on different political and social institutions. Yet the impact of the frontier on the most common dimension of life—upon the family—remains largely (48)______. Although family has been (49)______ significant in the historical process, it is relatively a new area of historical research. In terms of westward migration, family played a special role. For people who (50)______ the church as much as the state, family was the only institution that could be entrusted with the enterprise of settling the continent. A Christian family was enough of the church; a Christian family was (51)______ expression of political and social order. In 1862, Congress provided for the (52)______ of lands to heads of households in a law, but that law merely recognized that settlement had been the business of families s

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[简答题]鄭子產有疾，謂子大叔曰：“我死，子必爲政。唯有德者能以寬服民，其次莫如猛。夫火烈，民望而畏之，故鮮死焉；水懦弱，民狎而翫之，則多死焉，故寬難。”疾數月而卒。
大叔爲政，不忍猛而寬。鄭國多盜，取人于萑苻之澤。大叔悔之，曰：“吾早從夫子，不及此。”興徒兵以攻萑苻之盜，盡殺之，盜少止。
仲尼曰：“善哉!政寬則民慢，慢則纠之以猛。猛則民殘，殘則施之以寬。寬以濟猛，猛以濟寬，政是以和。《詩》曰：‘民亦勞止，汽可小康；惠此中國，以綏四方’，施之以寬也。 ‘毋從詭隨，以謹無良；式遏寇虐，慘不畏明’，纠之以猛也。‘柔遠能邇，以定我王’，平之以和也。又曰：‘不競不絿，不刚不柔，布政優優，百禄是遒’，和之至也。”及子產卒，仲尼聞之，出涕曰：“古之遗愛也。”
謹：

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[判断题]《锅炉定期检验规则》中规定，锅炉外部检验每年进行一次；内部检验一般每2年进行一次；锅炉因结构原因无法进行内部检验时，应该每3年进行一次水（耐）压试验。
A.正确
B.错误

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[判断题]《乘车证管理办法》规定，对丢失临时定期乘车证者，除本人作出检查外，还要每张罚款200元。
A.正确
B.错误

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[判断题]预防性维修是非计划维修，预防维修的时间是影响产品可用性的重要参数。

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[判断题]二级保养是指操作工人对机械设备进行的日常维护保养工作
A.正确
B.错误

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[单选题] "依据《国家突发公共事件总体应急预案》(2006年),特别重大或者重大突发公共事件发生后,各地区、各部门要立即报告,最迟不得超过( ),同时通报有关地区和部门。
A.1小时
B.2小时
C.4小时
D.6小时"

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[多选题]电网管理单位停电检修，以空气开关等无明显断开点的设备作为停电隔离点时，应采取（）等措施防止误送电。
A.设置绝缘隔离挡板
B.悬挂标示牌
C.加锁
D.拆除空气开关