热门试题:
[单选题]下列关于管道运输的说法,错误的是( )。
A.适用于流向单一的货物运输
B.安全可靠,劳动生产率高
C.运费低,能耗少
D.技术要求很低
[简答题]《国家能源局用户受电工程“三指定”行为认定指引》(国能发监管〔2020〕65号),适用于国家能源局及派出机构对用户受电工程“三指定”行为的(____)及“三指定”行为案件的立案、 调查、审查、审理、处罚等工作。
[单项选择]完整定损单的费用构成应包括()
A. 更换零部件、车身整形、油漆、发动机等。
B. 换件、修复、油漆、配件管理费、辅料费等。
C. 拆装、机修、钣金、电工、油漆费等。
D. 配件价格及其管理费、修理工时费、油漆费、辅料费等。
[单选题]白族三道茶中当客人喝完第一道茶后,主人重新煮茶,即“二道茶”其茶汤一般 。
A.六分满
B.五分满
C.八分满
D.九分满
[单选题]安全生产方针是安全第一,预防为主,( )。
A.以人为本
B.综合治理
C.本质安全
[多选题] (本小题 1 分)关于绝缘手套作业法断接引线原理描述正确的是(____)。
A. 绝缘手套作业法是等电位作业
B. 作业人员穿戴绝缘防护用具,以绝缘斗臂车等为主绝缘
C. 以绝缘罩、绝缘毯等绝缘遮蔽措施为辅助绝缘
D. 通过绝缘手套直接对带电设备进行检修和维护作业
[判断题]原理图元件库编辑器界面的编辑区内有一个直角坐标系,用户一般在第一象限进行元件的编辑工作。
A.正确
B.错误
[单选题]配电箱送电应按照()顺序进行操作。
A.总配电箱→分配电箱→末级配电箱
B.分配电箱→末级配电箱→总配电箱
C.总配电箱→末级配电箱→分配电箱
D.末级配电箱→分配电箱→总配电箱
[单选题]生产、储存、经营其他物品的场所与居住场所设置在同一建筑物内的,应当符合国家工程建设()技术标准。
A.安全
B.环保
C.消防
D.工业
[单项选择]
The policemen in a big city were looking for a thief. At last they (41) him. They took (42) of him—from the front, from the left, from the right, with a hat, (43) a hat. Just after they took the last one, the thief attacked the policemen and ran (44) . They tried to catch him, but failed.
A week (45) the telephone rang in the police station, and somebody said, "You are looking for Bill Cross, aren’t you"
"Yes, where is he" "Well, he left here (46) Waterbridge an hour ago."
Waterbridge was a small town about 100 miles from the city. The city police (47) sent four (48) photos of the thief to the police in Waterbridge.
Less than twelve hours later they (49) a telephone call from the police station in Waterbridge. "We have caught three of your men," they said happily, "And we will catch the (50) this evening,
A. atonce
B. once
C. again
[单项选择]血吸虫对人体最具易感性的阶段是
A. 虫卵
B. 尾蚴
C. 母胞蚴
D. 童虫
[填空题]The word conservation has a thrifty meaning. To conserve is to save and
protect, to leave what we ourselves enjoy in such good condition as others (1) ______
may also share the enjoyment. Our forefathers had no idea that human population
would increase faster than the supplies of crude materials. Most of them, even (2) ______
until very recently, have the foolish idea that the treasures were "limitless"
and "inexhaustible". Most of the citizens of early generations knew little or (3) ______
nothing about the complicated and the delicate system that runs all through the
nature, which means that, as in a life body, an unhealthy condition of one part (4) ______
will sooner or later be harmful to all others. (5) ______
Fifty years ago nature study was not part of the school work. Scientific (6) ______
forestry was a new idea; timber was still cheap at that time because it could be
brought in any quantity from distant woodlands; s
[单项选择]工厂改革后,产品质量提高了,款式新颖了,______包装也精美了,因而更加受到群众的欢迎。
填入划横线部分最恰当的一项是( )。
A. 并且
B. 而且
C. 况且
D. 何况
[单选题]对需要地埋敷设的临时电缆线路应设有走向标志和安全标示,地埋电缆深度不应小于1.5米。
A.正确
B.错误
[多项选择]与钨极惰性气体保护焊相比,熔化极气体保护焊的特点是( )。
A. 焊接速度快
B. 熔敷效率高
C. 适用于超薄板焊接
D. 适用于有色金属焊接
[判断题]功率为100W、额定电压为720V的白炽灯,接到100V的电源上,灯泡消耗的功率为25W。
A.正确
B.错误
[多选题]网格管理要求( )
A.员工按照网格区域和时间,履行网格职责
B.网格内工作环境安全、清洁
C.人员离开区域网格时需汇报车控室,有人替换后方可离开
D.发现异常情况时第一时间处置及上报,站厅、站台范围 1 分钟内立即响应,出入口 5 分钟内立即响应
[单选题]办公室主任:本办公室不打算使用循环再利用纸张。给用户的信件必须能留下好的印象,不能打印在劣质纸张上。
文具供应商:循环再利用纸张不一定是劣质的。事实上,最初的纸张就是用可回收材料制造的。一直到19世纪50年代,由于碎屑原料供不应求,才使用木纤维作为造纸原料。以下哪项最为恰当地概括了文具供应商的反驳中存在的漏洞?
A.没有意识到办公室主任对于循环再利用纸张的偏见是由于某种无知
B.使用了不相关的事实来证明一个关于产品质量的断定
C.不恰当地假设办公室主任了解纸张的制造工艺
D.忽视了办公室主任对产品质量关注的合法权利
[判断题]生产安全事故处理的情况由负责事故调查的人民政府或者其授权的有关部门、机构毫无保留地向社会公布()
A.正确
B.错误
[单项选择]定位轴线应用()绘制。
A. 中粗实线
B. 细实线
C. 虚线
D. 细点划线
[单选题]PFD上显示DISPLAY CONTROL PANEL表示:
A.本边的EFIS CP发生故障;
B.任意侧的EFIS CP发生故障;
C.显示选择面板故障;
D.显示选择面板上的电门没有在正常位;
[单选题] 平法中,在柱平面布置图的柱截面上,分别在同一编号的柱中选择一个截面,以直接注写截面尺寸和配筋具体数值的方式来表达柱平面整体配筋,这种表达方式称为( )。
A.列表注写方式
B.集中注写方式
C.截面注写方式
D.原位注写方式
[单项选择]Text 1
Two years ago, Dimas Aliprandi and Elton Plaster didn’t know of each other’s existence. Then they learned they had been switched (调换) at birth by mistake more than 20 years ago. The discovery didn’t bring bitterness. Rather, it led to the creation of a bigger family.
The chain of events started with Dimas, who was always wondering why he did not look like the four sisters he grew up with. He was 14 when his doubts grew after watching a TV news report on babies getting switched at birth because of mistakes at hospitals. He wanted to do a DNA test, but it was too expensive for the family.
A decade later, Dimas did it on his own. The DNA test showed that he was not the birth son of the man and woman who had raised him. The news was a shock for his parents. They at first refused to believe the results, but eventually decided to help him look for his biological parents.
The search began at the Madre Regina Protmann Hospital where records were checked. The hospital
A. The Plasters.
B. The Aliprandis.
C. Dimas and Elton.
D. Nilza and Adelson.
[简答题]长分散片段(1ength interspersed repeated segments,LINES)
[单选题]在正常使用条件下,建设工程的最低保修期限,对屋面防水工程,有防水要求的卫生间、房间和外墙面的防渗漏为( )。
A.2年
B.3年
C.4年
D.5年
[多选题]直线段钢制电缆桥架长度超过( )、铝合金或玻璃钢制电缆桥架长度超过( )设有伸缩节.
A.15M
B.25M
C.30M
D.35M
[多选题](多选题)《煤矿安全规程》规定,()风流中的甲烷浓度达到1.5%时,必须停止工作,切断电源,撤出人员,进行处理。
A.采煤工作面
B.掘进工作面
C.其他作业地点
D.电动机安设地点附近20m以内
E.电动机开关安设地点附近20m以内
[判断题]典型的双绞线有两对的,也有更多对双绞线放在一个电缆套管里的。( )
A.正确
B.错误
[判断题]一根部嵌固的拔梢单杆直线杆。当受边导线断线张力T作用时,主杆就是一个受弯距作用的构件。
A.正确
B.错误
[单选题]在( )时间内电流所做的功叫做电功率。P8T40
A.规定
B.标称
C.单位
[单选题]快速巡检适用于没有特殊运维需要线路的巡检。
A.对
B.错
[判断题]电力机车雨刷器的风源是由总风缸的压力风源供给的。( )
A.正确
B.错误
[单项选择]左心室增大时,心尖搏动移位方向是()
A. 向有
B. 向左
C. 向右下
D. 向左下
E. 向后
[单选题]区间双线(直线部分),160 km/h( )mm。
A.4000
B.4200
C.4400
D.4600
[单项选择]梅尼埃病引起的眩晕特点是()
A. 发作多短暂,很少超过2周
B. 无复发性
C. 多由中耳炎并发
D. 不伴眼球震颤
E. 不伴恶心、呕吐
[单选题]某正弦交流电压的初相角ψ=-л /6 ,在 t =0时其瞬时值将 。( )
A.大于零
B.小于零
C.等于零D、不确定
[单选题]承运人一般不接受( )单独旅行。
A.残疾人
B. 学生
C.儿童
D. 侏儒
[判断题]远方对装置进行信号复归属于110kV及以下线路保护测控装置在信息方面的主要功能。
A.正确
B.错误
[单选题]列车通过减速地点标时的限制速度为标明的速度,未标明时为( )km/h。
A.15
B.25
C.45