热门试题:
[单选题]起升重物跨越障碍时，重物底部至少应高出所跨越障碍物最高点 （）以上。
A.0.3m
B.0.5m
C.0.7m
D.1m
[单项选择]"Will you lend me the book " "Yes, I ______ ."
A. will
B. shall
C. can
D. may
[单选题]下列哪种药不属于抗代谢药
A.巯嘌呤
B.阿糖胞苷
C.氟尿嘧啶
D.环磷酰胺
E.羟基脲
[多选题]【多选题】炉墙主要分为( )。
A.重型炉墙
B.一般炉墙
C.轻型炉墙
D.敷管炉墙
[单选题]社会历史观的基本问题是( )。
A.人的自觉活动与社会规律的关系问题
B.阶级与阶级斗争问题
C.社会存在和社会意识的关系问题
D.社会形态更替的必然性和规律问题
[单项选择]What is indicated about the new ordering system
A. It does not use paper.
B. It was developed in-house.
C. It is quite complicated.
D. It does not require software.
[单选题]《变电安规》雷雨天气，需要巡视室外高压设备时，应穿（），并不准靠近避雷器和避雷针。
A.雨鞋
B.绝缘靴
C.橡胶鞋
D.绝缘鞋
[单项选择]万某，由于车祸导致第4、5腰椎骨折，病人神智清楚，体温、脉搏、呼吸、血压正常，需要收入骨科手术治疗。
搬运该病人时，护士甲应该托住
A. 病人的头部
B. 病人的头及颈肩部
C. 病人的腰部
D. 病人的双腿
E. 病人的双脚
[判断题]活动设计是对主题班会活动进行策划并撰写活动方案，它是开展主题班会的基础。
A.正确
B.错误
[单选题]带负荷更换跌落式熔断器作业，绝缘引流线和两端线夹的载流容量应满足( ）倍最大负荷电流的要求。
A.1
B.1.2
C.1.5
D.1.8
[单选题]列车运行监控装置LKJ，运行中当过机误差（ ）300m时，装置可以自动校正
A.小于
B.等于
C.大于
[判断题]无水胶印中，水墨平衡对印刷品质量影响较小。
[单选题]邻近带电导线的工作中，应使用绝缘无极绳索，风力应小于（ ）级，并设人监护。
A.4
B.5
C.6
D.7
[判断题]小儿肺炎喘嗽临床上以发热、咳嗽、痰壅、气急、鼻煽为主症。
[判断题]护背距离是指辙叉心轨作用面至护轨头部外侧作用边的距离为护背距离。
A.正确
B.错误
[多选题]塔式起重机力矩限制器起作用时，允许()。;
A.载荷向臂端方向运行;
B.载荷向臂根方向运行;
C.吊钩上升;
D.吊钩下降;
E.载荷自由下降;
[简答题]中国的古代文字“甲骨文”出现于哪个朝代？
[多选题]职工因工作遭受事故伤害或者患职业病需要暂停工作接受工伤医疗,乃至接受伤残等级评定。下述选项中符合《工伤保险条例》规定的有( )。
A.在停工留薪期内,原工资福利待遇不变
B.在停工留薪期内,薪酬由所在单位支付
C.停工留薪期一般不超过6个月
D.工伤职工评定伤残等级后,享受伤残待遇
E.停工留薪期后,不再享受工伤医疗待遇
[多选题]关于MIMO,以下说法正确的是()
A. 空间复用可以提升小区吞吐率和峰值速率
B. 空间复用在小区中心区域
C. 上行使用虚拟MIMO
D. 空间分集可以增加覆盖和吞吐率
[单选题]带电接火作业结束后。要用（）测量电压，用低压验电笔测量零线带电情况，零线不带电，火线带电，防止接错线，烧毁电器。
A.电压表
B.万用表
C.钳型电流表
D.电桥
[单选题]根据有关规定,生产经营单位内部各职能部门及人员的安全生产责任制,由()。
A.安全生产管理部门组织制定,各职能部门负责人组织落实
B.安全生产管理部门组织制定并落实
C.生产经营单位主要负责人组织制定,各职能部门负责人组织落实
[单选题]用机具调节平衡的吊装方法有()。
A.用手拉葫芦调节平衡和用滑车调整位置
B.用手拉葫芦调节平衡和电动葫芦调节平衡
C.用电动葫芦调节平衡和平衡梁平衡
D.用滑车调整位置和平衡梁平衡
[单项选择]降水季节变化不明显的自然带是（）
A. 亚热带长绿阔叶林带
B. 热带雨林带
C. 热带季雨林带
D. 亚热带常绿阔叶林带
[单项选择]Fire can help people in many ways. But it can be very dangerous. Fire can heat water, warm houses, give light and cook. But fire can bum things, too. It can bum trees, houses, animals or people. Sometimes big fires can burn forests.
Nobody knows for sure how people began to use fire. But there are many interesting stories about the first time a man or a woman started a fire. One story from Australia tells about a man very, very long time ago. He went up to the sun by a rope (绳子) and brought fire down.
Today people know how to make a rue with matches (火柴) . Children sometimes like to play with them. But matches can be very dangerous. One match can bum a piece of paper and then it might bum a house. A small fire can become a big fire very fast. Fire kills many people every year. So you must be careful with matches. You should also learn to put out rues. (80) Fires need oxygen(氧气). Without oxygen they will die. Cover a fire with water, sand, or sometimes with your coat. T
A. will die
B. will warm our houses
C. might burn us
D. won’ t help us
[判断题]触电者神志不清，有心跳，但呼吸停止，应立即进行口对口人工呼吸。 ( )
A.正确
B.错误
[多项选择]Word2007提供的文字环绕方式有（）
A. 四周型
B. 紧密型
C. 边角型
D. 穿越型
[简答题]清代处理民族和边疆问题的政策和制度之评价。
[判断题]《铁路进站乘车禁止和限制携带物品的公告》(铁总运〔2015〕355号)根据铁道部颁布的《铁路安全管理条例》等国家法律、行政法规、规章等规定。
A.正确
B.错误
[单选题]通行费收费按各( )批准的标准执行对所有通行车辆分段计费。
A.省级人民政府
B.市级人民政府
C.县以上人民政府
D.国务院
[判断题]使用D36型车装载货物，重心高2400mm，运行限速40km/h。
A.正确
B.错误
[判断题]人民警察使用武器的，应当将使用武器的情况如实向所属机关负责人书面报告。
A.正确
B.错误
[单选题]关于丹毒的病因病机，下列哪项不正确
A.发于头面者多夹风热
B.发于胸腹者多夹肝火
C.新生儿丹毒多由胎热火毒所致
D.发于下肢者多夹湿热
E.因破损火毒侵犯，气分有热
[判断题]牵引电机冷却风机底板（01、03、06、00 车）检查底板。底板无明显变形及裂纹，板材内部铝蜂窝结构不 外露，密封胶条无损坏。＜《CRH380BG型动车组一级检修作业指导书》（HJ-HD-2020-05-V4.8）＞
A.正确
B.错误
[单选题]A320机型的MMO为
A.M 0.81
B.M 0.82
C.M 0.83
D.M 0.84
[简答题](45553)无缝线路成段更换钢轨时,准备换入的长轨放在桥梁上、道口、人行过道、平过道及信号机附近时,应有保持稳定和________的措施。(1.0分)
[单选题]GF2488-01B设备对于主备盘保护，下列说法正确的是( )。
A.A、CKU盘主盘与备盘在状态中都是激活
B.B、TUX盘主盘与备盘在状态中都是激活
C.C、AUX盘主盘与备盘在状态中都是激活
D.D、上述都是错误的
[单项选择]At first, I thought it was just useless e-mails. It was the end of the weekend and I hadn’t checked my e-mails since late Friday afternoon. There was a long list of messages. Some I re moved without reading. Others were from friends—I saved those to read later when I had more time.
One stood out from the rest for two reasons. The first was the name, Mailer Nawaf, which I didn’t recognize. The second was the subject line:" pleas papers. " Clearly, the e-mail was from someone who did not have a complete mastery of the English language.
The message was from an Iraqi, a university research scientist in Mosul who wanted permission to reprint a research paper I had written. As a scientist, I’m used to getting these kinds of re quests; it’s part of the give and take among researchers that I especially like. I wrote back the next day, asking for more information about the type of work he was doing. I also wished him and his family best for their safety and well-being during this da
[判断题]2.83 设区的市或者相当于同级的公安机关交通管理部门报经省级公安机关交通管理部门批准同意后,可启用新的发牌机关代号。
A.正确
B.错误
