热门试题:
[不定项选择题]车站设备区起灭房间发生火灾,火势不可控时,启动气灭系统后,延时结束未自动喷气,正确的处置措施是()。
A.持灭火器进入设备房灭火
B.在房间外或气瓶间内相应控制盘人工启动喷气
C.带专业人员抵达后处置
D.等待救援
E.以上都对
[单选题]肘关节
A.由肱桡、肱尺两个关节构成
B.关节囊两侧松弛,前后紧张
C.可做内收和外展运动
D.肱尺关节可做旋前、旋后运动
E.以上说法都不对
[单项选择]下列关于死锁与安全状态的叙述中,哪一个是正确的?()
A. 死锁状态一定是不安全状态
B. 从安全状态有可能进入死锁状态
C. 不安全状态就是死锁状态
D. 死锁状态有可能是安全状态
[判断题]1998年10月30日10寸左右,X公司设备二队铆工班孙X和起重班苏X在结构厂=车间北侧露天平台预制方炉钢结构产柱(600号H钢,长24.04mm),在柱子翻面后吊起摆正过程中(吊起高度240mm),焊工李X和铆工孙X站在柱子西端外侧扶着柱子,李X站在南面,孙X站在北面。柱子吊起后受扭力作用西端向南转动,孙X将李X推开,跨到柱子南面内侧试图将柱子稳住,但由于柱子惯性较大,西端撞在南侧别一根摆放的柱子上,将孙X左小腿挤在中间,造成左下肢胫骨、腓骨骨折。请判断事故原因。吊装作业前,没有编制专项施工方案,因此,对吊装柱子过程的平衡问题没有系过设计计算,而是凭系验选择。
[单选题]因绩效考核或任职资格原因退出原岗位者进入( )。
A.内部转岗期
B.离岗学习期
C.内部学习期
D.离岗待命期
[判断题]先张法预制梁(板)承力台座由混凝土筑成,应有足够的强度、刚度和稳定性,钢横梁受力后,挠度不能大于 2mm
A.正确
B.错误
[填空题]intx=2,y;则表达式y=x+5,x+y的值是______。
[单选题] 由于运行延误, 所安排飞行没有按预计时间到达目的地, 超出了值勤的限制时间, 公 司可以将值勤期限制延长 ( ) 个小时或延长至可以将飞机安全降落在下一个目的地机场或 者备降机场 ( )
A. 2
B. 4
C. 6
D. 8
[多选题]130.《中国南方电网有限责任公司电力安全工作规程》(Q/CSG510001-2015)20.2规定:以下哪些防高处坠落措施是错误的( )。
A.作业人员佩戴安全带,高挂低用
B.将安全带系在锋利的物体上
C.移动时,因不方便,暂时解除安全带
D.在吊装孔处使用未经固定的简易围栏
[判断题]单独制动在我国俗称“小闸”制动。由于它采取了直通制动机的原理,故也称为“直通”或“直接”制动。
A.正确
B.错误
[单选题]为保证顺利推焦,炭化室底砖不得有与焦饼推出(____)的错台,表面不得有缺陷
A.方向相反
B.方向相同
C.高低不平
[单选题]DMS列控设备动态监测系统交路回放中可查询条件可选择的信息有,停车信息、( )信息。
A.ATP
B.报文计数器
C.轨道电路
D.以上都有
[简答题]简述Protel99SE PCB编辑器中的信号层(Signal Layers)。
[多项选择]根据《中华人民共和国土地管理法》的有关规定,编制土地利用总体规划的主要依据有( )。
A. 国民经济和社会发展规划
B. 国土整治和资源环境保护要求
C. 土地供给能力及各项建设对土地的要求
D. 上一级土地利用总体规划
[填空题]跨区间或区间无缝线路轨条长度应根据线路条件、工点情况、施工工艺及养护维修等因素综合研究。单元轨节长度宜为1000~2000m,不应短于<--NRC-->m。
[单选题]上茶食时,茶艺服务人员应从()的固定位置上,轻轻落盆(盘),并介绍茶肴名称、特点。
A.冲茶水
B.宾客前面
C.左侧
D.右侧
[填空题]煤气区域巡检时必须()人以上,且前后保持一定()。
[不定项选择题]共用题干
Voice Your Opinion一Change is Needed in Youth Sports
Everywhere you look, you see kids bouncing a basketball or waving a tennis racquet(网球拍).And
these kids are getting younger and younger. In some countries,children can compete on basketball,
baseball,and volleyball teams starting at age nine._________(46)And swimming and gymnastics classes
begin at age four,to prepare children for competition.
It's true that a few of these kids will develop into highly skilled athletes and may even become members
of the national Olympic teams._________(47)This emphasis on competition in sports is having serious
negative effects.
Children who get involved in competitive sports at a young age often grow tired of their sport. Many
parents pressure their kids to choose one sport and devote all their time to it._______(48)But 66 percent
of the young athletes wanted to play more than one sport一for fun.
Another problem is the pressure imposed by over-competitive parents and coaches.Children are not
naturally competitive.In fact,a recent study by Paulo David found that most children don't even understand
the idea of competition until they are seven years old. ________(49)
The third,and biggest,problem for young athletes is the lack of time to do their homework,have fun,
be with friends一in short,time to be kids.When they are forced to spend every afternoon at sports practice,
they often start to hate their chosen sport.A research found that 70 percent of kids who take part in
competitive sports before the age of twelve quit before they turn eighteen.__________(50)Excessive
competitive sports take away all the enjoyment.
Need to remember the purpose of youth sports一to give kids a chance to have developing,strong,
healthy bodies.
__________(48)
A.A survey found that 79 percent of parents of young athletes wanted their children to concentrate on one sport.
B.The young soccer organization has teams for children as young as five.
C.Many of them completely lose interest in sports.
D.Sports for children have two important purposes.
E.But what about the others,the average kids?
F.Very young kids don't know why their parents are pushing them so hard.
[单选题]发电机的有功功率和无功功率几何相加之和称为视在功率。有功功率和视在功率之比称为发电机功率因数。发电机的额定功率因数一般为()。( )
A.0.8
B.0.75
C.0.85
D.0.9
[判断题]单机未完全具备列车条件,所以不按列车办理。()
[判断题]携带型短路接地线的作用是防止突然来电和释放剩余电荷。 ( )
A.正确
B.错误
[单选题]下面属于封闭式提问的优点是:
A.提供更广泛、更深入的答案
B.给被拜访者更多的成就感
C.可能引出意料之外(而宝贵)的信息
D.更容易整理和归类
[单项选择]国际防止油污证书》(I0PP证书)的有效期最长为().
A. 6年
B. 4年
C. 3年
D. 5年
[判断题] 第一版欧元纸币安全线上有透明缩微文字“EURO”和面额数字()
A.正确
B.错误
[多选题]施工必须纳入月度施工计划,施工项目包括:线路及站场设备技术改造、()等施工。
A.增建双线
B.更换钢轨
C.新线引入
D.电气化改造
[判断题]将救援起重气垫从箱中取出,将其置于需要起重处,注意应避免放置于尖锐物体 ( )
A.正确
B.错误
[单项选择]即刻非特异性免疫应答发生在感染后()
A. 感染后0~4小时内
B. 感染后4~96小时内
C. 感染后24~48小时内
D. 感染后96小时内
E. 感染后4~5天
[单项选择]以下哪一项不是团体练习安排的原则( )
A. 学习性联系在前,个人问题解决安排在后
B. 为提高团体效率,深层自我表露的活动可安排在前
C. 正向反馈在初期,负向反馈在后期
D. 保持联系的弹性,尊重成员开放的程度
[单选题]电力远动被控站巡视周期为( )
A.3个月
B.6个月
C.9个月
D.12个月
[填空题]下面程序的输出结果是 【12】 。
char b[]="ABCD";
main( )
char b[30];
strcpy(&b[0],"GH");
strcpy(&b[1],"GH");
strcpy(&b[2],"GH");
printf("%s/n",b) ;
[单项选择]
If you are worried about things and are
under a lot of stress at work or school, then you are probably not sleeping
well. Worry can keep you awake, tossing and{{U}} (26) {{/U}}in bed until
the early hours of the morning when you eventually {{U}} (27)
{{/U}}asleep. When you wake up, you don’t feel{{U}} (28) {{/U}}, but
tired and worn out and {{U}} (29) {{/U}} to face a new day.
Dr. Henry Winkle, in a recent newspaper article{{U}} (30)
{{/U}}Stress and Sleep, {{U}} (31) {{/U}} that stress and lack of
sleep are directly{{U}} (32) {{/U}}Dr. Winkle says, "the more we worry,
the{{U}} (33) {{/U}}we sleep, the more we are unable to deal with{{U}}
(34) {{/U}}" "If we can find a way to get a good night’ s sleep," he
{{U}} (35) {{/U}}," we can often find the {{U}} (36) {{/U}}to deal
with what’ s worrying us. " So, what is a go A. relieved B. renewed C. refreshed D. released
[单选题]对于危险废物的填埋场,应选用( )衬里系统。 A.单复合 B.双复合 C.双层 D.三复合
[单选题]非招标项目的请购估算价( )(不含)以下的物资类项目,以《采购事项处理笺》方式,经采购执行部门分管领导批准后采购。
A. 25万元
B. 50万元
C. 75万元
D. 100万元
[单选题]附加悬挂肩架位置的误差为( )。 A.+20mm; B.+30mm; C.+40mm; D.+50mm。
[单项选择]营养学专家建议我国青少年要多吃奶、蛋、鱼、肉等含蛋白质丰富的食品,因为蛋白质是() A. 人体生长发育必需的物质 B. 主要供能物质 C. 容易消化的物质 D. 有机物
[单选题]梯恩梯是一种有毒物质,其粉尘、挥发物主要是通过()侵入人体。 A. 皮肤和呼吸道 B. 眼睛 C. 食物
[单项选择]常用抢险机械主要有()、挖装机械、铲装机械、整平机械、压实机械等。 A. 车 B. 汽车 C. 挖掘机 D. 运输机械
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