某建筑公司在月度安全检查中，发现3号工地脚手架搭设存在如下问题：
①超过24m高的脚手架没有搭设方案，无审批手续；
②采用的分段整体提升脚手架末经审查批准；
③部分使用的脚手架材料规格不一；
④搭设架子的基础多处出现不平整，个别立杆悬空等等。
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Goal of American Education Education is all enormous and expensive part of American life. Its size is matched by its variety. Differences in American schools compared with those found in the majority of other countries lie in the fact that education here has long been intended for everyone — not just for a privileged(享有特权的) elite(精英). Schools are expected to meet the needs of every child, regardless of ability, and also the needs of society itself. This means that public schools offer more than academic subjects. It surprises many people when they come here to find high schools offering such courses as typing, sewing, radio repair, computer programming or driver training, along with traditional academic subjects such as mathematics, hi A. enrichment of knowledge. B. accumulation of facts. C. acquisition of the ability to be creative. D. acquisition of the ability to work with his hands. [单项选择]Lighteningandthunderseemverydifferentfromfog，clouds，rain，wind，heat，andotherthingswhichmakeuptheweather.____11____withoutknowingabouttherestofthe____12____，onecannotunderstandlighteningandthunder.Longago，____13____scientistshadbeguntostudytheweather，everyonewasafraidoflighteningandthunder.____14____theancientGreeksandRomans，thunderwastheangryvoiceof____15____greatgodZeus，orJupiter.
Todayweknowmoreaboutweatherand____16____lighteningandthundertoo，thoughthere____17____stillmuchtobelearned.Peopletodayarenotoftenafraidofthunderstorms，thoughweknowthatlightening____18____dangerous.____19____weunderstandlighteningandthunder，thereisathrill（激动）inwatchingasummerthunderstormwhichclearstheairandleavesus____20____.
A. before B. after C. since D. when [多选题]一个有效的绩效管理系统是通过（ ）环节提高员工工作绩效。
A.目标第一 B.计划第二 C.监督第三 D.指导第四 E.评估第五 [单项选择]钢丝绳直径减少了（）时应报废。
A. 7%； B. 8%； C. 9%； D. 10%。 [单项选择]Word菜单中常会出现一些暗灰色的选项，这表示（）
A. 系统运行故障 B. Word本身缺陷 C. 文档带病毒 D. 这些项在当前无效 [单项选择]在下列叙述中，错误的是
A. 电话拨号上网的用户动态地获得一个IP地址 B. 用户通过局域网接入Internet时，用户计算机需要增加局域网网卡 C. ISDN可分为宽带(B-ISD和窄带(N-ISD D. 电话拨号上网的传输速率可以达到2Mb/s [判断题]个人自动转存的通知存款需一次性存入，提前通知银行约定支取存款，且支取时须全部一次性支取。
A.正确 B.错误 [单选题][难度:0.5][分数:1]数控机床上有一个机械原点,该点到机床坐标零点在进给坐标轴方向上的距离可以在机床出厂时设定,该点称( )。
A.限位点 B.机床零点 C.工件零点 D.机床参考点 [单项选择]架空避雷线和避雷网宜采用截面不小于（）mm2的镀锌钢绞线。
A. 20 B. 25 C. 30 D. 35 [判断题]对于幻灯片中文框内的文字，设置项目符号可以采用“工具”菜单中的“拼音”命令项。
A.正确 B.错误 [判断题]绝缘接头最大轨缝不得大于构造轨缝。
A.正确 B.错误 [单选题]客车应按其（ ）编挂列车。
A.运行速度 B. 标记速度 C. 速度等级 我来回答: 提交
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