热门试题:
[判断题]在《供配电系统设计规范(GB50052-2009)》中,需要两回电源线路的用户,宜采用同级电压供电。但根据各级负荷的不同需要及地区供电条件,亦可采用不同电压供电。
A.正确
B.错误
[单项选择]看跌期权的卖方在买方选择行使权利时,必须按期权合约规定的条件()一定数量的基础金融工具。
A. 卖出
B. 买入
C. 买入或卖出
D. 买入和卖出
[单选题]生产经营单位采用新工艺、新技术、新材料或者使用新设备,必须了解、掌握其()特性,采取有效的安全防护措施,并对从业人员进行专门的安全生产教育和培训。
A.安全管理
B.安全技术
C.设备操作
D.安全危险
[多选题]下列各项中()不应设在地下室。
A. 甲类物品库房
B. 乙类生产厂房
C. 丙类物品库房
D. 消防控制室
E. 汽车修理车位
[单项选择]在“通道”面板中,单击任意一个通道,都可将其激活,若按住键盘中的______键,可以选择多个通道。
A. Shift
B. Ctrl
C. Alt
D. Enter
[单项选择]男性,62岁。患胃溃疡多年,近月来上腹痛发作频繁,无规律性,体量减轻,营养不良。胃X线钡餐透视见有龛影,该病人下一步首要的检查为()。
A. 大便潜血试验
B. 胃酸测定
C. 腹部
D. 胃镜和细胞学检查
E. ERCP
[多项选择]治疗漏肩风的主穴为
A. 肩髎
B. 肩髃
C. 阿是
D. 肩前
[单选题] 将二进制数10000001转换成十进制数应该是______。
A.129
B.127
C.126
D.128
[多选题]采购规范范本适用于特高压、智能电网等公司推广使用的()、()、()以及服务类采购
A.新技术
B.新设备
C.新材料
D.新能源
[填空题]受血者配血试验的血液标本必须是输血前()天之内的。血液发出后,受血者和供血者的血样标本保存于2℃~6℃冰箱至少()天,以便对输血不良反应追查原因。
[多选题]国家电网有限公司研究出台服务碳达峰碳中和构建新型电力系统、加快抽水蓄能开发 建设重要举措。关于这些举措,以下表述正确的是( )。
A.优化布局、加快开发
B.精心组织、优质建设
C.优质服务、扩大规模
D.科学调度、高效利用
[填空题]物理上分布、逻辑上分布的分布式数据库结构是把多个集中式数据库系统通过网络连接起来,各个______的计算机可以利用网络通信功能访问______上的数据库资源。
[判断题]触电时人体会受到某种程度的伤害,按其形式可分为电击和电伤两种。
A.正确
B.错误
[单项选择]下列有关民警使用武器和警械的说法错误的是( )。
A. 当犯罪分子失去继续实施犯罪的能力时,应当立即停止使用武器
B. 民警使用制服性、驱逐性警械之前,必须要先予以警告
C. 民警使用警械,应当以制止违法犯罪行为为限度
D. 对于正在进行持刀抢劫的孕妇可以使用武器
[单选题]( )缓降器由速度控制器固定,绳索可上下往返,不需人力辅助控制。
A.往返式
B.自救式
C.制动式
D.摩擦式
[判断题]电焊机一次电源线不宜过长,一般不超过2~3m。
A.正确
B.错误
[判断题]手拉葫芦及滑车的试验每半年一次;外观检查每月一次。()
A.正确
B.错误
[单项选择]()在电除尘器的高压控制装置中是一个关键性的元件,它的调整功能将直接影响到电除尘器的效果。
A. 电抗器;
B. 高压硅整流变压器;
C. 自动电压调整器;
D. 反并联可控硅组。
[判断题]数据库检修前,应备份所有的业务数据、配置文件、日志文件等。
A.正确
B.错误
[判断题]客室照明采用集中式驱动电源供电。( )
A.正确
B.错误
[判断题]当车厢不进行取暖时,不能打开排水阀排水。( )
A.正确
B.错误
[单项选择]我国最早发明的是()。
A. 红茶
B. 绿茶
C. 青茶
D. 黑茶
[不定项选择题]"He looks normal." That′ s what everybody says when I tell them my son was just diagnosed as autism (孤独症). They all say it without exception.
It′s true. Alejandro does look like every other 31 boy. He plays, he smiles, and he runs around with the two-year-old boy′ s boundless energy until he is too tired. He laughs when you move your fingers 32 on a sensitive part of his body. And he often plays with his toys like every other young child at his age.
But most of the time, Alejandro 33 in his own little world playing with his toys all by himself even in a group of kids and ignoring you when you talk to him loudly. At that time he′s alone, no matter how hard you try to 34 him.
My wife and I get 35 .We ask for "nose kisses" or hugs and many times he doesn′t notice us. It′s extremely anxious when your child′s face is right in front of you and he won′t admit your presence.
He regularly doesn′t eat. The food often bothers him when he puts it in his mouth. He is very small 36 his age. We are told that it′s another effect of the autism.
Because autism isn′t like some other 37 , there is no set treatment. Each child needs to be treated 38 ; what works for one probably doesn′t work for another. Try a treatment. If it doesn′t work, you have to try another39 you hopefully find something that does work.
The future is cloudy, but we will try everything we can do to reach him, because we love him and we know he′s a special little boy. And we believe with the help of love, we can 40 any difficulty.
第(33)题选
A.exists
B.sleeps
C.studies
D.works
[单选题]《安全生产违法行为行政处罚办法(2015修正)》,行政处罚决定书应当在宣告后当场交付当事人;当事人不在场的,安全监管监察部门应当在( )内依照民事诉讼法的有关规定,将行政处罚决定书送达当事人或者其他的法定受送达人。
A.3日
B.5日
C.7日
D.10日
[判断题]机械运转工作中,不能进行注油和保养。
A.正确
B.错误
[多选题]点验中发现的问题,应当查明情况,妥善处理。对个人私存的 必须予以收缴,并视情给予批评教育或者处分。( )
A.公物
B.涉密载体
C.物品贵重
D.淫秽物品等
[判断题]金属材料在不同温度时,其抗拉强度也不同。
A.正确
B.错误
[单选题]1979 年,邓小平在会见日本首相大平正芳时说,我们要实现的四个现代化是中国式的现代化,是“小康之家”,即到20 世纪末实现( )人均 1000 美元。
A.国民收入
B.国内生产总值
C.国民生产总值
D.纯收入
[单选题]符合佝偻病初期的主要临床表现的是
A.方颅
B.肋骨串珠
C.枕秃
D.前囟闭合延迟
E.颅骨软化
[单选题]国家风险限额是用来对某一国家的信用风险暴露进行管理的额度框架。国家风险限额应至少( )重新检查一次。
A.半年
B.一年
C.两年
D.三年
[填空题]In economics the value added by a manufacturing firm to its products is the difference between the price of a finished product and the cost of raw materials, parts supplies, fuel, and electrical energy used in the production of that product. When 1 in this manner, the value added by manufacture is a useful index of the manufacturing firm’’s 2 to the national economy. It is a more 3 index, of course, than 4 sales, a figure that is misleading because it tells 5 about production costs and 6 the manufacturing firm is 7 at a profit or at a loss.
In education there is now a spirited 8 as to whether such a concept would not be most 9 for college graduates is evidently 10 in the salaries they can command 11 receipt of a college degree. Engineers, accountants, and computer specialists command 12 salaries upon graduation and by implication, there must be an 13 value added to their marketability 14 the education and training they 15 in college. When looked at more closely, 16 ,the missing fac
A. A. attain
B. benefit
C.reward
D.favor
[判断题]车控室钥匙柜/文件柜摆放日常使用钥匙,数量及种类按车站6S定制要求摆放
A.正确
B.错误
[单选题]列车施行常用制动在进入停车线停车时,应做到( ),并不应使用单阀制动停车。P115T486
A.一次停妥
B.两次停妥
C.随时停车
[简答题]测试面向对象软件时,主要有哪些设计单元测试用例的方法?