热门试题:
[判断题]触电者无意识、有心跳、呼吸停止时,此时不能对触电者施行心脏按压
A.正确
B.错误
[多项选择]1981年,为纪念鲁迅诞辰100周年推出的根据鲁迅作品改编的影片有()。
A. 《祝福》
B. 《阿Q正传》
C. 《伤逝》
D. 《药》
E. 《孔乙己》
[单选题]中冷器、涡轮增压器属于柴油机的( )。
A.调控系统
B.进、排气系统
C.配气系统
D.冷却系统
[单选题]《行政强制法》中( )以内期限的规定是指工作日,不含法定节假日。
A.3日
B.5日
C.7日
D.10日
[单项选择]有关胎盘部位滋养细胞肿瘤,下列哪项不正确:
A. 瘤组织主要由中间型滋养细胞组成
B. 临床上主要表现为不规则阴道出血或月经过多,有时闭经
C. 可继发于足月产、流产或葡萄胎后,也可与妊娠合并存在
D. 肿瘤呈实质性,一般局限于子宫,可侵入子宫肌层或突向宫腔,子宫增大
E. 首选化疗
[单选题]施工负责人应根据人员、作业项目、天气等情况,具体布置( )。
A.工作计划
B.生产任务
C.安全事项
D.作业项目
[单选题]Strike(____)the iron is hot.趁热打铁。
A.at the end
B.where
C.as well as
D.while
[多项选择]对已编码的调查数据的正确性进行检查的常用方法有()。
A. 代码检查
B. 逻辑检查
C. 关系检查
D. 幅度检查
E. 正负检查
[填空题]对特种设备做到持证上岗并按规定着装,正确使用劳动防护用品,严格( ),并做好各项记录
[多选题]【2020年技术实务98】某建筑高度为135m的办公楼,设置有避难层。关于该避难层的说法,错误的有( )。
A.第一个避难层的楼地面至灭火救援场地地面的高度不应大于50m
B.建筑至少应设置3个避难层
C.避难层应急疏散照明的地面最低水平照度不应低于3.0lx
D.避难层的设备间应采用耐火极限不低于1.50h的防火隔墙与避难区分隔
E.管道井直接开向避难区的门,与避难区出入口的距离不应小于4m
[单项选择]承接工程设计任务时,()工程设计行业资质单位承担相应行业中、小型建设项目的工程设计任务,地区不受限制。
A. 甲级
B. 乙级
C. 丙级
D. 丁级
[单选题]甲氨蝶呤(MTX)抑制核苷酸代谢是因为其结构类似于
A.胞嘧啶
B.胸腺嘧啶
C.次黄嘌呤
D.核苷
E.叶酸
[单项选择]设备贷款的利率不得低于中国人民银行规定的同期同档次利率的( )倍。
A. 1倍
B. 1.1倍
C. 1.2倍
D. 2倍
[单选题]《安全生产事故隐患排查治理暂行规定》,重大事故隐患报告内容不包括:
A.隐患的现状及其产生原因
B.隐患的危害程度和整改难易程度分析
C.隐患的治理方案
D.隐患发现人员
[单项选择]导致白细胞计数结果可以呈较大幅度波动的原因是 ()
A. 边缘池和循环池中的粒细胞可以一过性从一方转向另一方
B. 贮备池和循环池中的粒细胞可以一过性从一方转向另一方
C. 边缘池和贮备池中的粒细胞可以一过性从一方转向另一方
D. 成熟池和循环池中的粒细胞可以一过性从一方转向另一方
E. 边缘池和成熟池中的粒细胞可以一过性从一方转向另一方
[单选题]36.纯电感或纯电容电路无功功率等于( )。
A.单位时间内所储存的电能
B.电路瞬时功率的最大值电流单位时间内所做的功
C.电流单位时间内所做的功
D.单位时间内与电源交换的有功电能
[单选题]
25T型客车逆变器交流滤波电路的主要功能是( )。
A.发生故障时实施隔离,防止故障扩散
B.滤平输入电路的电压纹波,当负载变化时,使直流电压平稳
C.防止对电源造成大的冲击
D.将逆变器输出的PWM波变在准正弦波
[多项选择]人口变动统计包括()。
A. 人口出生统计
B. 人口死亡统计
C. 人口自然增加统计
D. 人口迁入统计
E. 人口迁出统计
[判断题]煤仓和溜煤眼可以放空,保持上下通风,避免煤矸时间长造成压实堵仓。()
A.正确
B.错误
[单项选择](1)石油井着火 (2)8名中共党员站了出来 (3)冲人冒火现场 (4)终于关住闸门 (5)穿救生衣及消防衣( )
A. 1-2-3-4-5
B. 1-4-3-2-5
C. 3-1-2-4-5
D. 1-2-3-5-4
[单项选择]下列()项不是初次访视新生儿时的必查内容。
A. 脐部感染
B. 黄疸消退
C. 肝脾肿大
D. 体表外观畸形
[填空题]For Americans, time is money. They say, "You only get so much time in this life; you’d better use it wisely." The (26) will not be better than the past or present, as Americans are (27) to see things, unless people use their time for constructive activities. Thus, Americans (28) a "well-organized" person, one who has a written list of things to do and a (29) for doing them. The ideal person is punctual and is (30) of other people’s time. They do not (31) people’s time with conversation or other activity that has no (32) beneficial outcome.
The American attitude toward time is not (33) shared by others, especially non-Europeans. They are more likely to regard time as (34) . One of the more difficult things many students must adjust to in the States is the notion that time must be saved whenever possible and used wisely every day.
In this context (35) . McDonald’s, KF
[单选题](2.5分)单选题
0
1024×1024形式表示的是
A. 像素
B. 视野
C. 矩阵
D. 像素大小
E. 视野大小
[单选题]手持式侦检仪器,长按( )键进入菜单界面。
A.Y/+
B.N/-
C.MODE+Y/+
D.MODE+N/-
[判断题]乙苯脱氢单元停氮气后尾气压缩机不受影响。
A.正确
B.错误
[单选题]车票激活启用后,三日票是()小时有效。
A.72
B.48
C.24
D.36
[判断题]在锅炉燃烧过程自动调节系统中,燃料量、送风量和引风量是被调量。( )
A.正确
B.错误
[单选题]企业职工基本养老保险基金中央调剂制度的基本原则是( )。
A.促进公平、明确责任、统一政策、一步到位
B.促进公平、明确责任、统一政策、稳步推进
C.提高效率、明确责任、统一政策、一步到位
D.提高效率、明确责任、统一政策、稳步推进
[单项选择]A train (41) at a small station. A man looked out of the window and saw a woman. She was (42) cakes. People from the train were buying them. The man felt hungry and wanted to buy a cake, (43) the woman was standing far (44) the window. (45) was raining hard, and the man didn’t want to go out of the train.
Suddenly he saw a boy. (46) boy was walking on the platform (月台) not far from him. "Come near, boy!" the man said, "Do you know (47) those cakes cost "
"Five cents for each," the boy answered.
The man gave the boy ten cents and asked him (48) two cakes. "One is for me, and one is for you." the man told him.
(49) minutes later (后来,过一会儿); the boy came (来,出现) back. He was eating a cake. He gave the man five cents and said, "There was only (50) cake left./
A. how many
B. What
C. how much
[判断题]电力建设-变电专业人力移动杆段时,应动作协调,滚动前方不得有人。杆段横向移动时,应及时将支垫处用木楔掩牢。
A.正确
B.错误
[单项选择]The diamond is considered the most famous and valuable jewel in the world. A diamond is a (31) of wealth.
Diamonds were made (32) great volcanic heat and pressure. A volcano is a mountain with a hole on the top. A volcano can be very dangerous because (33) it is active it sometimes (34) and causes great damage.
Diamonds were (35) towards the surface of the earth—millions of years ago by (36) great volcanic explosions. It is in the narrow volcanic pipes (37) diamonds are found, They are also found among the sand and stones of certain river (38) , and in a few places on the floor of the sea. For they were washed (39) the mountain sides by the rain.
Diamonds are very (40) . There are not many diamond pipes or diamond-producing rivers in the (41) . During the last century adventurers from Europe went to Brazil, because they had heard (42) there were diamonds in the River Amazon. Many of these
A. what
B. that
C. where
D. when
[单选题]职业健康安全管理体系的获证单位的认证证书有效期()年.
A.1
B.3
C.2
[判断题]关节脱位症状:疼痛、肿胀和皮下瘀血、功能障碍但无畸形。